* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    min-height: 100vh;
    margin: 0;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 40px;
    max-width: 2000px;
    width: 99.5%;
    margin: 8px auto;
    min-height: auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 0 10px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-welcome {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    color: #374151;
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.85rem;
    border: 1px solid rgba(156, 163, 175, 0.3);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.welcome-text {
    color: #374151;
}

#currentUserName {
    font-weight: 600;
    color: #1f2937;
}

/* Celebration Animation Styles */
.celebration-area {
    position: relative;
    width: 100%;
    height: 80px;
    overflow: visible;
    pointer-events: none;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 15px 0;
}

.celebration-animation {
    position: relative;
    width: 200px;
    height: 80px;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.3s ease;
}

.celebration-animation.active {
    opacity: 1;
    transform: scale(1);
    animation: celebrationBounce 3s ease-out;
}

.celebration-stars {
    position: relative;
    width: 100%;
    height: 100%;
}

.star {
    position: absolute;
    font-size: 1.5rem;
    opacity: 0;
    pointer-events: none;
}

.celebration-animation.active .star {
    animation: starBurst 3s ease-out;
}

.star-1 {
    top: 10px;
    left: 20px;
    animation-delay: 0s;
}

.star-2 {
    top: 5px;
    right: 15px;
    animation-delay: 0.2s;
}

.star-3 {
    top: 25px;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 0.4s;
}

.star-4 {
    bottom: 10px;
    left: 10px;
    animation-delay: 0.6s;
}

.star-5 {
    bottom: 5px;
    right: 20px;
    animation-delay: 0.8s;
}

.celebration-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.9rem;
    font-weight: 700;
    color: #22c55e;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    opacity: 0;
    white-space: nowrap;
}

.celebration-animation.active .celebration-text {
    animation: textPop 3s ease-out;
}

@keyframes celebrationBounce {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    20% {
        transform: scale(1.2);
        opacity: 1;
    }
    40% {
        transform: scale(0.9);
    }
    60% {
        transform: scale(1.1);
    }
    80% {
        transform: scale(1);
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}

@keyframes starBurst {
    0% {
        opacity: 0;
        transform: scale(0) rotate(0deg);
    }
    20% {
        opacity: 1;
        transform: scale(1.5) rotate(180deg);
    }
    40% {
        opacity: 0.8;
        transform: scale(1.2) rotate(360deg);
    }
    60% {
        opacity: 0.6;
        transform: scale(1) rotate(540deg);
    }
    80% {
        opacity: 0.3;
        transform: scale(0.8) rotate(720deg);
    }
    100% {
        opacity: 0;
        transform: scale(0.5) rotate(900deg);
    }
}

@keyframes textPop {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    15% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.2);
    }
    30% {
        transform: translate(-50%, -50%) scale(1);
    }
    70% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
}

.title {
    font-size: 1.6rem;
    color: #2563eb;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    height: 2.5rem;
    width: auto;
    display: inline-block;
    animation: logoGlow 2s ease-in-out infinite alternate;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    border-radius: 8px;
}

@keyframes logoGlow {
    0% {
        transform: scale(1);
        filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    }
    100% {
        transform: scale(1.05);
        filter: drop-shadow(0 4px 8px rgba(37, 99, 235, 0.3));
    }
}

.word-counter {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 4px;
    font-weight: 500;
}

.progress-container {
    margin-bottom: 4px;
}

.controls {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 4px;
}

.control-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.result-message {
    min-height: 25px;
    margin: 4px 0;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    padding: 6px;
    transition: all 0.3s ease;
}

.action-controls {
    display: none;
}

.action-btn {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.navigation {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 4px;
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-bottom: 18px;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    min-width: 80px;
    min-height: 80px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    overflow: hidden;
}

.school-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

h1 {
    text-align: center;
    color: #fff;
    margin-bottom: 24px;
    font-size: 3.2rem;
    letter-spacing: 2px;
    font-weight: 900;
    text-shadow: 2px 4px 12px rgba(0,0,0,0.3);
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.practice-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    margin: 0 !important;
}

.progress-bar-container {
    width: 100%;
    height: 16px;
    background: rgba(255,255,255,0.3);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}
.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    border-radius: 12px;
    transition: width 0.6s cubic-bezier(.4,2,.6,1);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.progress-display {
    text-align: center;
    font-size: 1.4rem;
    color: #667eea;
    margin-bottom: 0;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.word-display {
    text-align: center;
    margin-bottom: 0;
}

.listen-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 20px;
    padding: 18px 40px;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.listen-btn:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.answer-section {
    display: flex;
    gap: 14px;
    width: 100%;
    margin-bottom: 0;
}
.answer-section input[type="text"] {
    flex: 1;
    padding: 18px;
    border: 2px solid #e0e0e0;
    border-radius: 9px;
    font-size: 1.3rem;
    outline: none;
    transition: border 0.2s;
}
.answer-section input[type="text"]:focus {
    border: 2px solid #2563eb;
}
.answer-section button {
    padding: 18px 32px;
    font-size: 1.3rem;
    border-radius: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}
.answer-section button:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.result-message.correct {
    color: #10b981;
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    animation: pop 0.4s;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}
.result-message.incorrect {
    color: #ef4444;
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    animation: shake 0.4s;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.2);
}
@keyframes pop {
    0% { transform: scale(0.9); }
    60% { transform: scale(1.08); }
    100% { transform: scale(1); }
}
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-8px); }
    40%, 80% { transform: translateX(8px); }
}

.navigation-buttons {
    display: flex;
    gap: 20px;
    width: 100%;
    margin-top: 24px;
}
.navigation-buttons button {
    flex: 1;
    padding: 16px 0;
    font-size: 1.2rem;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: #667eea;
    border: 2px solid rgba(102, 126, 234, 0.2);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.navigation-buttons button:disabled {
    background: rgba(0,0,0,0.05);
    color: #cbd5e1;
    cursor: not-allowed;
    border-color: rgba(0,0,0,0.1);
}
.navigation-buttons button:not(:disabled):hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    border-color: transparent;
}

.letter-hint {
    margin: 4px 0;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 10px;
}

.letter-hint-box {
    width: 70px;
    height: 70px;
    border: 3px solid #667eea;
    border-radius: 12px;
    font-size: 1.8rem;
    font-weight: bold;
    text-align: center;
    margin: 0 6px;
    background: white;
    color: #333;
    transition: all 0.2s ease;
    outline: none;
    min-width: 35px;
    max-width: 60px;
    flex-shrink: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.letter-hint-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap;
    gap: 3px;
    padding: 0 2px;
    overflow: hidden;
    min-height: 50px;
}

.letter-hint-container .letter-hint-box {
    flex: 0 0 auto;
    box-sizing: border-box;
}

/* Adjust letter box sizes to fit more in one row - BIGGER BOXES */
.letter-hint-container[data-word-length="1"] .letter-hint-box,
.letter-hint-container[data-word-length="2"] .letter-hint-box,
.letter-hint-container[data-word-length="3"] .letter-hint-box,
.letter-hint-container[data-word-length="4"] .letter-hint-box,
.letter-hint-container[data-word-length="5"] .letter-hint-box {
    width: 70px;
    height: 70px;
    font-size: 1.8rem;
    margin: 0 6px;
    border-width: 3px;
}

.letter-hint-container[data-word-length="6"] .letter-hint-box,
.letter-hint-container[data-word-length="7"] .letter-hint-box {
    width: 65px;
    height: 65px;
    font-size: 1.7rem;
    margin: 0 5px;
    border-width: 3px;
}

.letter-hint-container[data-word-length="8"] .letter-hint-box,
.letter-hint-container[data-word-length="9"] .letter-hint-box {
    width: 60px;
    height: 60px;
    font-size: 1.6rem;
    margin: 0 4px;
    border-width: 3px;
}

.letter-hint-container[data-word-length="10"] .letter-hint-box,
.letter-hint-container[data-word-length="11"] .letter-hint-box,
.letter-hint-container[data-word-length="12"] .letter-hint-box {
    width: 55px;
    height: 55px;
    font-size: 1.4rem;
    margin: 0 3px;
    border-width: 3px;
}

.letter-hint-container[data-word-length="13"] .letter-hint-box,
.letter-hint-container[data-word-length="14"] .letter-hint-box {
    width: 50px;
    height: 50px;
    font-size: 1.3rem;
    margin: 0 3px;
    border-width: 2px;
}

.letter-hint-container[data-word-length="15"] .letter-hint-box,
.letter-hint-container[data-word-length="16"] .letter-hint-box,
.letter-hint-container[data-word-length="17"] .letter-hint-box,
.letter-hint-container[data-word-length="18"] .letter-hint-box,
.letter-hint-container[data-word-length="19"] .letter-hint-box,
.letter-hint-container[data-word-length="20"] .letter-hint-box {
    width: 45px;
    height: 45px;
    font-size: 1.2rem;
    margin: 0 2px;
    border-width: 2px;
}

/* For words longer than 20 characters */
.letter-hint-container[data-very-long-word="true"] .letter-hint-box {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
    margin: 0 2px;
    border-width: 2px;
}

.letter-hint-box:focus {
    border-color: #764ba2;
    box-shadow: 0 0 0 3px rgba(118, 75, 162, 0.2);
    transform: scale(1.05);
}

.letter-hint-box:disabled {
    background: #f0f9ff;
    border-color: #bae6fd;
    color: #0369a1;
}

.teacher-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.teacher-link:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.practice-card {
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(102, 126, 234, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

.speak-btn {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.speak-btn:hover {
    background: linear-gradient(135deg, #ff5252 0%, #d63031 100%);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

.hint-btn {
    background: linear-gradient(135deg, #feca57 0%, #ff9ff3 100%);
    box-shadow: 0 4px 15px rgba(254, 202, 87, 0.3);
}

.hint-btn:hover {
    background: linear-gradient(135deg, #ff9f43 0%, #fd79a8 100%);
    box-shadow: 0 6px 20px rgba(254, 202, 87, 0.4);
}

.clear-btn {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%) !important;
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3) !important;
}

.clear-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%) !important;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.4) !important;
}

.exit-practice-btn {
    background: linear-gradient(135deg, #fd79a8 0%, #fdcb6e 100%);
    box-shadow: 0 4px 15px rgba(253, 121, 168, 0.3);
}

.exit-practice-btn:hover {
    background: linear-gradient(135deg, #e84393 0%, #f39c12 100%);
    box-shadow: 0 6px 20px rgba(253, 121, 168, 0.4);
}

/* Modal Styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 24px;
    max-width: 650px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(102, 126, 234, 0.2);
}

.modal-header h2 {
    color: #2563eb;
    font-size: 1.5rem;
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #64748b;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.close-btn:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}

/* Responsive Design */
@media (max-width: 900px) {
    body {
        padding: 8px;
    }
    
    .container {
        max-width: 99%;
        width: 99%;
        padding: 35px;
        margin: 8px auto;
    }
    .practice-card {
    padding: 20px;
        min-width: unset;
    }
    h1 {
        font-size: 1.8rem;
    }
    .modal-content {
        padding: 20px;
    }
    .title {
        font-size: 1.6rem;
    }
    .main-content {
        padding: 12px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 6px;
        align-items: flex-start;
        padding-top: 8px;
    }
    
    .word-set-panel {
        max-height: 95vh;
    }
    
    .panel-header {
        padding: 15px 20px;
    }
    
    .panel-header h3 {
        font-size: 1.2rem;
    }
    
    .panel-toggle {
        right: 20px;
        padding: 6px 10px;
    }
    
    .panel-content {
        padding: 15px 20px 80px;
    }
    
    .main-content {
        margin-left: 0;
    width: 100%;
        padding: 18px;
    }
    
    .main-content.panel-open {
        margin-left: 0;
        width: 100%;
    }
    
    .word-set-toggle-container {
        margin-right: 12px;
    }
    
    .word-set-toggle-btn {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .word-set-label {
        font-size: 0.9rem;
    }
    
    .container {
        padding: 25px;
        border-radius: 15px;
        max-width: 98%;
        width: 98%;
        margin: 6px auto;
    }
}

@media (max-width: 480px) {
    body {
    padding: 4px;
    }
    
    .word-set-panel {
        max-height: 90vh;
    }
    
    .panel-header {
        padding: 12px 15px;
    }
    
    .panel-header h3 {
        font-size: 1.1rem;
    }
    
    .panel-toggle {
        right: 15px;
        padding: 5px 8px;
        font-size: 0.9rem;
    }
    
    .panel-content {
        padding: 12px 15px 70px;
    }

    .main-content {
        margin-left: 0;
    width: 100%;
        padding: 18px;
    }

    .main-content.panel-open {
        margin-left: 0;
        width: 100%;
    }
    
    .word-set-toggle-container {
        margin-right: 8px;
    }
    
    .word-set-toggle-btn {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
    
    .word-set-label {
        font-size: 0.8rem;
    }
    
    .container {
        padding: 22px;
        border-radius: 12px;
        max-width: 97%;
        width: 97%;
        margin: 4px auto;
    }
}

.letter-hint-container[data-word-length="15"],
.letter-hint-container[data-word-length="16"],
.letter-hint-container[data-word-length="17"],
.letter-hint-container[data-word-length="18"],
.letter-hint-container[data-word-length="19"],
.letter-hint-container[data-word-length="20"] .letter-hint-box {
    width: 28px;
    height: 28px;
    font-size: 0.9rem;
    margin: 0 2px;
        border-width: 2px;
    }
    
    .letter-hint-container[data-very-long-word="true"] .letter-hint-box {
    width: 25px;
    height: 25px;
    font-size: 0.8rem;
        margin: 0 1px;
        border-width: 2px;
}

/* Word counter with navigation buttons */
.word-counter-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
        width: 100%;
    margin-bottom: 4px;
    gap: 12px;
}

.word-counter {
    font-size: 1.1rem;
    color: #64748b;
    font-weight: 500;
    text-align: center;
    flex: 1;
}

/* Navigation buttons */
.nav-btn {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border: 2px solid #667eea;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 100px;
}

.nav-btn:hover:not(:disabled) {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.alphabets-btn {
    background: linear-gradient(135deg, #ff9ff3 0%, #f368e0 100%);
    box-shadow: 0 4px 15px rgba(255, 159, 243, 0.3);
}

.alphabets-btn:hover {
    background: linear-gradient(135deg, #fd79a8 0%, #e056fd 100%);
    box-shadow: 0 6px 20px rgba(255, 159, 243, 0.4);
}

.voice-input-btn {
    background: linear-gradient(135deg, #26de81 0%, #20bf6b 100%);
    position: relative;
    box-shadow: 0 4px 15px rgba(38, 222, 129, 0.3);
}

.voice-input-btn:hover {
    background: linear-gradient(135deg, #20bf6b 0%, #0fb9b1 100%);
    box-shadow: 0 6px 20px rgba(38, 222, 129, 0.4);
}

.voice-input-btn.listening {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    animation: pulse 1.5s infinite;
}

.voice-input-btn.listening:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

@keyframes pulse {
    0% {
        box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
    }
    50% {
        box-shadow: 0 4px 25px rgba(239, 68, 68, 0.6);
    }
    100% {
        box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
    }
}

/* Virtual Alphabet Keyboard */
.alphabet-keyboard {
    margin: 4px 0;
    padding: 16px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(139, 92, 246, 0.2);
    width: 100%;
    overflow-x: auto;
}

.alphabet-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    margin: 0 auto;
}

.alphabet-row {
    display: grid;
    grid-template-columns: repeat(13, 1fr);
    gap: 4px;
    justify-items: center;
    width: 100%;
    min-width: 520px;
}

.alphabet-key {
    width: 100%;
    max-width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border: 2px solid #cbd5e1;
    border-radius: 10px;
        font-size: 1rem;
    font-weight: 700;
    color: #475569;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    min-width: 30px;
}

.alphabet-key:hover {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    border-color: #7c3aed;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.alphabet-key:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
}

/* Ensure alphabet keyboard fits on all screen sizes */
@media (max-width: 1200px) {
    .alphabet-row {
        min-width: 480px;
    }
    
    .alphabet-key {
        max-width: 36px;
        height: 36px;
        font-size: 0.95rem;
    }
}

@media (max-width: 1000px) {
    .alphabet-row {
        min-width: 450px;
    }
    
    .alphabet-key {
        max-width: 34px;
        height: 34px;
        font-size: 0.9rem;
    }
}

/* Mobile responsive alphabet keyboard */
@media (max-width: 768px) {
    .alphabet-keyboard {
        margin: 4px 0;
        padding: 12px;
    }
    
    .alphabet-grid {
        gap: 6px;
    }
    
    .alphabet-row {
        gap: 3px;
        min-width: 400px;
    }
    
    .alphabet-key {
        max-width: 30px;
        height: 30px;
        font-size: 0.85rem;
        min-width: 25px;
    }
}

@media (max-width: 480px) {
    .alphabet-grid {
        gap: 4px;
    }
    
    .alphabet-row {
        gap: 2px;
        min-width: 350px;
    }
    
    .alphabet-key {
        max-width: 26px;
        height: 26px;
        font-size: 0.8rem;
        border-radius: 8px;
        min-width: 22px;
    }
}

/* All Words / Wordlist button - bright cyan */
#allWordsButton {
    background: linear-gradient(135deg, #00d2d3 0%, #54a0ff 100%);
    box-shadow: 0 4px 15px rgba(0, 210, 211, 0.3);
}

#allWordsButton:hover {
    background: linear-gradient(135deg, #0abde3 0%, #3742fa 100%);
    box-shadow: 0 6px 20px rgba(0, 210, 211, 0.4);
}

/* Teacher Dashboard Password Modal Styles */
.teacher-modal {
    border: 1px solid rgba(139, 69, 19, 0.2);
}

.teacher-header {
    background: linear-gradient(135deg, #8b4513 0%, #a0522d 100%);
}

.teacher-header::before {
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="teacherGrid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.15)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23teacherGrid)"/></svg>');
}

.teacher-modal .btn-submit {
    background: linear-gradient(135deg, #8b4513 0%, #a0522d 100%);
    box-shadow: 0 4px 12px rgba(139, 69, 19, 0.3);
}

.teacher-modal .btn-submit:hover {
    box-shadow: 0 8px 20px rgba(139, 69, 19, 0.4);
}

.teacher-modal .password-input-container input:focus {
    border-color: #8b4513;
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

.teacher-modal .password-toggle:hover {
    background: rgba(139, 69, 19, 0.1);
}

/* Teacher modal specific animations */
.teacher-modal.success .btn-submit {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

/* Student Name Entry Modal Styles */
.student-modal {
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.student-header {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

.student-header::before {
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="studentGrid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.15)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23studentGrid)"/></svg>');
}

.student-modal .btn-submit {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.student-modal .btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(34, 197, 94, 0.4);
}

.student-modal .password-input-container input:focus {
    border-color: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.student-modal .password-toggle:hover {
    background: rgba(34, 197, 94, 0.1);
}

/* Student modal specific animations */
.student-modal.success .btn-submit {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

/* Error states and animations */
.password-input-container input.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
    animation: inputShake 0.5s ease-in-out;
}

.password-modal.shake {
    animation: modalShake 0.5s ease-in-out;
}

@keyframes inputShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes modalShake {
    0%, 100% { transform: translateY(0) scale(1); }
    25% { transform: translateY(-3px) scale(1.01); }
    75% { transform: translateY(3px) scale(0.99); }
}

/* Password Modal Styles */
.password-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease-out;
}

.password-modal {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    width: 95%;
    max-width: 550px;
    overflow: hidden;
    animation: slideUp 0.4s ease-out;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.password-modal-header {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    padding: 40px 35px 35px;
    text-align: center;
    position: relative;
}

.password-modal-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.password-modal-logo {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    margin-bottom: 15px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

.password-modal-header h2 {
    margin: 0 0 8px 0;
    font-size: 1.5rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.password-modal-header p {
    margin: 0;
    opacity: 0.9;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

.password-modal-body {
    padding: 40px 35px;
}

.password-input-container {
    position: relative;
    margin-bottom: 25px;
}

.password-input-container input {
    width: 100%;
    padding: 16px 50px 16px 20px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    background: #ffffff;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.password-input-container input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.password-toggle:hover {
    background: rgba(59, 130, 246, 0.1);
}

.password-toggle-icon {
    font-size: 1.2rem;
    opacity: 0.6;
}

.password-modal-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.btn-cancel, .btn-submit {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-cancel {
    background: #f3f4f6;
    color: #6b7280;
    border: 2px solid #e5e7eb;
}

.btn-cancel:hover {
    background: #e5e7eb;
    color: #4b5563;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-submit {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-submit:hover::before {
    left: 100%;
}

.password-error {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border: 1px solid #fecaca;
    border-radius: 10px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: shake 0.5s ease-in-out;
}

.error-icon {
    font-size: 1.1rem;
    color: #dc2626;
}

.error-text {
    color: #dc2626;
    font-weight: 500;
    font-size: 0.9rem;
}

.password-modal-footer {
    background: #f8fafc;
    padding: 15px 25px;
    text-align: center;
    border-top: 1px solid #e5e7eb;
}

.password-modal-footer p {
    margin: 0;
    color: #6b7280;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Loading state for submit button */
.btn-submit.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn-submit.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive design */
@media (max-width: 480px) {
    .password-modal {
        width: 96%;
        margin: 20px;
    }
    
    .password-modal-header {
        padding: 35px 25px 30px;
    }
    
    .password-modal-body {
        padding: 35px 25px;
    }
    
    .password-modal-actions {
        flex-direction: column;
    }
    
    .btn-cancel, .btn-submit {
    width: 100%;
    }
}

/* Responsive styles for word counter navigation */
@media (max-width: 768px) {
    .word-counter-navigation {
        gap: 8px;
    }
    
    .nav-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
        min-width: 80px;
    }
    
    .word-counter {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .word-counter-navigation {
        gap: 6px;
    }
    
    .nav-btn {
        padding: 5px 10px;
        font-size: 0.75rem;
        min-width: 70px;
    }
    
    .word-counter {
        font-size: 0.9rem;
    }
}

/* Practice Layout with Results Panel */
.practice-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 4px;
    align-items: start;
}

.practice-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    margin: 0 !important;
}

/* Results Panel Styles */
.results-panel {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 20px;
    max-height: 80vh;
    overflow-y: auto;
    position: sticky;
    top: 20px;
    display: block !important; /* Force visibility */
    margin: 0 !important;
}

.results-header {
    border-bottom: 2px solid rgba(102, 126, 234, 0.2);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.results-header h3 {
    color: #2563eb;
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 6px 0;
}

.score-summary {
    display: flex;
    justify-content: center;
    align-items: center;
}

.score-text {
    font-size: 0.95rem;
    font-weight: 600;
    color: #374151;
}

#currentScore {
    color: #2563eb;
    font-weight: 700;
}

.results-content {
    min-height: 150px;
}

.results-placeholder {
    text-align: center;
    color: #6b7280;
    padding: 25px 15px;
}

.placeholder-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.results-placeholder p {
    font-size: 0.9rem;
    margin: 0;
}

/* Individual Result Items - Compact Version */
.result-item {
    background: #f8fafc;
    border: 1px solid #e0e7ef;
    border-radius: 8px;
    padding: 8px 12px;
    margin-bottom: 6px;
    transition: all 0.2s ease;
    animation: slideInFromTop 0.3s ease-out;
}

.result-item.correct {
    border-color: #22c55e;
    background: #f0fdf4;
}

.result-item.incorrect {
    border-color: #ef4444;
    background: #fef2f2;
}

.result-item.hint-used {
    border-color: #f59e0b;
    background: #fffbeb;
}

.result-word {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.result-status {
    font-size: 1rem;
}

.result-details {
    font-size: 0.75rem;
    color: #6b7280;
    margin-bottom: 2px;
}

.result-attempts {
    font-size: 0.8rem;
    color: #374151;
}

.attempt-correct {
    color: #22c55e;
    font-weight: 600;
}

.attempt-incorrect {
    color: #ef4444;
    font-weight: 600;
}

.hint-indicator {
    background: #fbbf24;
    color: #92400e;
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 6px;
}

.new-badge {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 0.65rem;
    font-weight: 700;
    margin-left: 6px;
    animation: pulse 2s infinite;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

/* Results Footer */
.results-footer {
    border-top: 2px solid rgba(102, 126, 234, 0.2);
    padding-top: 15px;
    margin-top: 20px;
}

.final-stats {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #f8fafc;
    border-radius: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: #374151;
    font-weight: 500;
}

.stat-value {
    font-size: 1rem;
    font-weight: 700;
    color: #2563eb;
}

/* Responsive Design for Results Panel */
@media (max-width: 1200px) {
    .practice-layout {
        grid-template-columns: 1fr 300px;
        gap: 4px;
    }
    
    .practice-layout.results-hidden {
        grid-template-columns: 1fr;
    }
    
    .results-panel {
        padding: 15px;
    }
    
    .results-panel.hidden {
        display: none !important;
    }
}

@media (max-width: 1000px) {
    .practice-layout {
        grid-template-columns: 1fr 280px;
        gap: 4px;
    }
    
    .practice-layout.results-hidden {
        grid-template-columns: 1fr;
    }
    
    .results-panel {
        position: static;
        max-height: 60vh;
        padding: 15px;
    }
    
    .results-panel.hidden {
        display: none !important;
    }
    
    /* On smaller screens, always show the toggle button */
    .results-toggle-btn {
        display: inline-block;
    }
}

@media (max-width: 768px) {
    .practice-layout {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
    
    .practice-layout.results-hidden .results-panel {
        display: none !important;
    }
    
    .results-panel {
        padding: 15px;
        border-radius: 15px;
        max-height: 50vh;
        order: 2;
    }
    
    .results-panel.hidden {
        display: none !important;
    }
    
    .results-header h3 {
    font-size: 1.1rem;
    }
    
    .result-item {
    padding: 12px;
    }
    
    .result-word {
        font-size: 1rem;
    }
}

/* Switch to column layout only on small mobile screens (480px and below) */
@media (max-width: 480px) {
    .practice-layout {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
    
    .practice-layout.results-hidden .results-panel {
        display: none !important;
    }
    
    .results-panel {
        padding: 15px;
        border-radius: 15px;
        max-height: 50vh;
        order: 2;
    }
    
    .results-panel.hidden {
        display: none !important;
    }
    
    .results-header h3 {
        font-size: 1.1rem;
    }
    
    .result-item {
        padding: 12px;
    }
    
    .result-word {
        font-size: 1rem;
    }
}

/* Results toggle button */
.results-toggle-btn {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.results-toggle-btn:hover {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

/* Hidden results panel state - IMPORTANT: Keep these rules at the end */
.practice-layout.results-hidden {
    grid-template-columns: 1fr !important;
}

.results-panel.hidden {
    display: none !important;
}

/* Animation for new result items */
@keyframes slideInFromTop {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Newest result highlighting */
.result-item:first-child {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
    border-width: 3px;
}

.highlighted-letter {
    background: #fef3c7;
    color: #92400e;
    font-weight: 800;
    text-decoration: underline;
    padding: 1px 2px;
    border-radius: 2px;
}

/* Results Footer */
.results-footer {
    border-top: 2px solid rgba(102, 126, 234, 0.2);
    padding-top: 15px;
    margin-top: 20px;
}

.final-stats {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #f8fafc;
    border-radius: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: #374151;
    font-weight: 500;
}

.stat-value {
    font-size: 1rem;
    font-weight: 700;
    color: #2563eb;
}

/* Responsive Design for Results Panel */
@media (max-width: 1200px) {
    .practice-layout {
        grid-template-columns: 1fr 300px;
        gap: 4px;
    }
    
    .practice-layout.results-hidden {
        grid-template-columns: 1fr;
    }
    
    .results-panel {
        padding: 15px;
    }
    
    .results-panel.hidden {
        display: none !important;
    }
}

@media (max-width: 1000px) {
    .practice-layout {
        grid-template-columns: 1fr 280px;
        gap: 4px;
    }
    
    .practice-layout.results-hidden {
        grid-template-columns: 1fr;
    }
    
    .results-panel {
        position: static;
        max-height: 60vh;
        padding: 15px;
    }
    
    .results-panel.hidden {
        display: none !important;
    }
    
    /* On smaller screens, always show the toggle button */
    .results-toggle-btn {
        display: inline-block;
    }
}

@media (max-width: 768px) {
    .practice-layout {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
    
    .practice-layout.results-hidden .results-panel {
        display: none !important;
    }
    
    .results-panel {
        padding: 15px;
        border-radius: 15px;
        max-height: 50vh;
        order: 2;
    }
    
    .results-panel.hidden {
        display: none !important;
    }
    
    .results-header h3 {
        font-size: 1.1rem;
    }
    
    .result-item {
        padding: 12px;
    }
    
    .result-word {
        font-size: 1rem;
    }
}

/* Results toggle button */
.results-toggle-btn {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.results-toggle-btn:hover {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

/* Hidden results panel state - IMPORTANT: Keep these rules at the end */
.practice-layout.results-hidden {
    grid-template-columns: 1fr !important;
}

.results-panel.hidden {
    display: none !important;
}

/* Animation for new result items */
@keyframes slideInFromTop {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Newest result highlighting */
.result-item:first-child {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
    border-width: 3px;
}

/* Anti-cheating letter boxes styling */
.letter-boxes {
    font-family: 'Courier New', monospace;
    letter-spacing: 3px;
    font-size: 1.1em;
    color: #6b7280;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid #d1d5db;
    display: inline-block;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.letter-boxes-quiz {
    font-family: 'Courier New', monospace;
    letter-spacing: 2px;
    font-size: 1em;
    color: #9ca3af;
    background: #f9fafb;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid #e5e7eb;
    display: inline-block;
}

/* Simplified word set list styles */
.word-set-list {
    margin: 16px 0;
}

.loading-message, .no-sets-message, .error-message {
    text-align: center;
    color: #6b7280;
    font-style: italic;
    padding: 20px;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px dashed #d1d5db;
}

.error-message {
    color: #ef4444;
    background: #fef2f2;
    border-color: #fecaca;
}

.word-set-item {
    margin: 8px 0;
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    transition: all 0.2s ease;
    position: relative;
    overflow: visible; /* Allow tooltips to extend outside */
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.word-set-item:hover {
    border-color: #3b82f6;
    background: #f8fafc;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.word-set-label {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    gap: 12px;
    width: 100%;
}

.word-set-radio {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    accent-color: #3b82f6;
}

.word-set-name {
    font-weight: 600;
    color: #1f2937;
    flex: 1;
}

.word-set-count {
    color: #6b7280;
    font-size: 0.85rem;
    font-weight: 500;
}

.word-set-item:has(.word-set-radio:checked) {
    border-color: #3b82f6;
    background: #dbeafe;
}

.word-set-item:has(.word-set-radio:checked) .word-set-name {
    color: #1d4ed8;
}

.word-set-item:has(.word-set-radio:checked) .word-set-count {
    color: #3b82f6;
}

/* Word Preview Tooltip Styles */
.word-preview-tooltip {
    position: fixed;
    z-index: 1000;
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 300px;
    max-height: 200px;
    overflow-y: auto;
    pointer-events: none; /* Allows mouse events to pass through */
}

.word-preview-header {
    font-weight: bold;
    margin-bottom: 8px;
    color: #4a5568;
}

.word-preview-list {
    color: #718096;
    line-height: 1.6;
    word-wrap: break-word;
}

/* Scrollbar styling for the word list */
.word-preview-list::-webkit-scrollbar {
    width: 8px;
}

.word-preview-list::-webkit-scrollbar-track {
    background: #f7fafc;
    border-radius: 4px;
}

.word-preview-list::-webkit-scrollbar-thumb {
    background: #e2e8f0;
    border-radius: 4px;
}

.word-preview-list::-webkit-scrollbar-thumb:hover {
    background: #cbd5e0;
}

.main-content {
    width: 100%;
    height: auto;
    min-height: 90vh;
    max-width: 100%;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

/* Specific styling for mainContent ID */
#mainContent {
    width: 100% !important;
    height: auto !important;
    min-height: 90vh !important;
    max-width: 100% !important;
    margin: 0 auto !important;
    padding: 20px !important;
    box-sizing: border-box !important;
}

/* Practice mode exit button styling */
#exitPracticeButton {
    background: linear-gradient(45deg, #ef4444, #dc2626);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
    transition: all 0.2s ease;
    font-size: 0.9rem;
    display: none;
    white-space: nowrap;
}

#exitPracticeButton:hover {
    background: linear-gradient(45deg, #dc2626, #b91c1c);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(239, 68, 68, 0.4);
}

/* Multi-List Challenge Styles */
.challenge-header {
    border-bottom: 2px solid #e5e7eb;
    margin-bottom: 16px;
    padding-bottom: 16px;
}

.challenge-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.challenge-btn {
    background: linear-gradient(45deg, #3b82f6, #2563eb);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.multi-challenge-btn {
    background: linear-gradient(45deg, #10b981, #059669);
}

.multi-challenge-btn:hover:not(:disabled) {
    background: linear-gradient(45deg, #059669, #047857);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(16, 185, 129, 0.3);
}

.multi-challenge-btn:disabled {
    background: #9ca3af;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.challenge-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 16px 0 8px 0;
}

.challenge-divider::before,
.challenge-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #d1d5db;
}

.challenge-divider span {
    padding: 0 16px;
    color: #6b7280;
    font-weight: 500;
    font-size: 0.85rem;
}

.word-set-selection {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 16px;
    padding: 0 8px 0 0; /* Add right padding to create space from edge */
}

/* Word Set Performance Color Coding */
.word-set-selection.word-set-not-attempted {
    background: rgba(255, 255, 255, 0.1);
    border-left: 4px solid rgba(255, 255, 255, 0.3);
}

.word-set-selection.word-set-perfect {
    background: rgba(34, 197, 94, 0.15);
    border-left: 4px solid #22c55e;
}

.word-set-selection.word-set-good {
    background: rgba(59, 130, 246, 0.15);
    border-left: 4px solid #3b82f6;
}

.word-set-selection.word-set-needs-practice {
    background: rgba(239, 68, 68, 0.15);
    border-left: 4px solid #ef4444;
}

.word-set-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    flex: 1;
}

.word-set-radio {
    margin: 0;
    cursor: pointer;
}

.word-set-checkbox {
    margin: 0 12px 0 0; /* Add right margin for spacing from edge */
    cursor: pointer;
    accent-color: #3b82f6;
    transform: scale(1.2);
}

.checkbox-text {
    cursor: pointer;
    user-select: none;
}

/* Challenge Progress Styles */
.challenge-progress {
    background: linear-gradient(45deg, #3b82f6, #2563eb);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 16px;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}

/* Mobile responsiveness for challenge controls */
@media (max-width: 768px) {
    .challenge-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .challenge-btn {
        width: 100%;
        max-width: 280px;
    }
    
    .word-set-selection {
        flex-direction: row;
        align-items: center;
        gap: 12px;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .header-right {
        gap: 8px;
        flex-wrap: wrap;
    }
    
    .user-welcome {
        order: -1;
        width: 100%;
        justify-content: center;
    margin-bottom: 8px;
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .celebration-area {
        display: none;
    }
}

@media (max-width: 480px) {
    .user-welcome {
        font-size: 0.75rem;
        padding: 4px 8px;
    }
    
    .welcome-text {
        text-align: center;
    }
}

/* Student Info Styling */
.student-info {
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    margin-left: 20px;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.student-label {
    color: rgba(255, 255, 255, 0.9);
    margin-right: 6px;
    font-weight: 500;
}

.student-name {
    font-weight: 700;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.user-welcome {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    color: #374151;
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.85rem;
    border: 1px solid rgba(156, 163, 175, 0.3);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Word Set Panel Styles - Curtain Effect */
.word-set-panel {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    z-index: 1000;
    transform: translateY(-100%); /* Hidden above the viewport */
    transition: transform 0.4s ease;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    max-height: 98vh; /* Nearly full screen - increased from 95vh for maximum coverage */
}

.word-set-panel.open {
    transform: translateY(0); /* Slides down to be visible */
}

.panel-header {
    padding: 20px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.panel-header h3 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 600;
    text-align: center;
}

.panel-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s ease;
    position: absolute;
    right: 30px;
}

.panel-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

.panel-content {
    padding: 20px 30px 100px; /* Significantly increased bottom padding from 60px to 100px */
    background: rgba(255, 255, 255, 0.05);
}

/* Main content adjustment when curtain is open */
.main-content {
    transition: margin-top 0.4s ease;
    margin-top: 0;
}

.main-content.panel-open {
    margin-top: 0; /* No margin needed for curtain */
}

/* Word Set Toggle Button Container */
.word-set-toggle-container {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-right: 20px;
}

.word-set-toggle-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: bold;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(102, 126, 234, 0.3);
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.word-set-toggle-btn:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.word-set-label {
    color: #2563eb;
    font-weight: 600;
    font-size: 1rem;
    white-space: nowrap;
}

/* Remove floating toggle button styles */

/* ===== SENTENCE PRACTICE MODE STYLES ===== */

/* Practice Mode Container */
.practice-mode-content {
    transition: all 0.3s ease;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* Ensure sentence practice stays within practice-card */
#sentencePracticeMode {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}

/* Merged Input Header and Controls */
.merged-input-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding: 8px 0;
}

.input-mode-label {
    font-size: 0.9rem;
    color: #6b7280;
    font-weight: 500;
    text-align: center;
}

.voice-controls-mini {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.voice-control-btn-mini {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.voice-control-btn-mini:hover:not(:disabled) {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.voice-control-btn-mini:disabled {
    background: #9ca3af;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

#stopVoiceMiniBtn {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

#stopVoiceMiniBtn:hover:not(:disabled) {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.voice-status-mini {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 6px;
    padding: 8px 12px;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.voice-icon-mini {
    color: #10b981;
    font-size: 1rem;
}

.voice-text-mini {
    color: #065f46;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Sentence Practice Header */
.sentence-practice-header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border-radius: 12px;
    border: 1px solid #d1d5db;
    width: 100%;
    box-sizing: border-box;
}

.sentence-practice-header h3 {
    margin: 0 0 10px 0;
    font-size: 1.6rem;
    color: #374151;
    font-weight: 600;
}

.target-word {
    color: #7c3aed;
    font-weight: 700;
    background: linear-gradient(135deg, #a855f7, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 0 8px;
    border-radius: 6px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.sentence-instructions {
    margin: 0;
    color: #6b7280;
    font-size: 1rem;
    line-height: 1.5;
}

/* Input Container */
.input-container {
    display: none;
    padding: 20px;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    background: white;
    margin-bottom: 20px;
    width: 100%;
    box-sizing: border-box;
}

.input-container.active {
    display: block;
}

.sentence-input-container {
    width: 100%;
    box-sizing: border-box;
}

#sentenceTextarea {
    width: 100%;
    min-height: 120px;
    padding: 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    line-height: 1.5;
    resize: vertical;
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

#sentenceTextarea:focus {
    outline: none;
    border-color: #7c3aed;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.input-help {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    font-size: 0.85rem;
    color: #6b7280;
    width: 100%;
    box-sizing: border-box;
}

.char-counter {
    font-weight: 500;
}

.input-tip {
    text-align: right;
    flex: 1;
    margin-left: 12px;
}

/* Sentence Validation */
.sentence-validation {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
    display: none;
    width: 100%;
    box-sizing: border-box;
}

.sentence-validation.success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
    display: block;
}

.sentence-validation.error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
    display: block;
}

.sentence-validation.warning {
    background: #fefce8;
    color: #ca8a04;
    border: 1px solid #fde047;
    display: block;
}

.sentence-validation.info {
    background: #eff6ff;
    color: #1d4ed8;
    border: 1px solid #bfdbfe;
    display: block;
}

/* Sentence Actions */
.sentence-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    box-sizing: border-box;
}

.secondary-btn {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    color: white;
}

.secondary-btn:hover {
    background: linear-gradient(135deg, #4b5563 0%, #374151 100%);
    transform: translateY(-1px);
}

.sentence-practice-btn {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.sentence-practice-btn:hover {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
}

/* Responsive Design */
@media (max-width: 768px) {
    .sentence-practice-header {
        padding: 16px;
    }
    
    .sentence-practice-header h3 {
        font-size: 1.3rem;
    }
    
    #sentenceTextarea {
        min-height: 100px;
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    .sentence-actions {
        flex-direction: column;
    }
    
    .input-help {
        flex-direction: column;
        gap: 4px;
        align-items: flex-start;
    }
    
    .input-tip {
        text-align: left;
        margin-left: 0;
    }
}

/* Sentence Practice Responsive Design Complete */

/* Specific styling for nameModal ID - Sign-in page */
#nameModal {
    width: 100% !important;
    height: 100% !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
}

#nameModal .password-modal {
    width: 96% !important;
    max-width: 600px !important;
    transform: translateX(-50%) translateY(-50%) !important;
    left: 50% !important;
    top: 50% !important;
    position: absolute !important;
}

#nameModal .password-modal-header {
    padding: 45px 40px 40px !important;
    font-size: 1.1rem !important;
}

#nameModal .password-modal-body {
    padding: 45px 40px !important;
}

#nameModal .password-input-container input {
    padding: 20px 60px 20px 24px !important;
    font-size: 1.1rem !important;
}

#nameModal .btn-cancel, 
#nameModal .btn-submit {
    padding: 16px 24px !important;
    font-size: 1.1rem !important;
}

@media (max-width: 768px) {
    #nameModal .password-modal {
        width: 96% !important;
        max-width: 500px !important;
    }
    
    #nameModal .password-modal-header {
        padding: 40px 30px 35px !important;
    }
    
    #nameModal .password-modal-body {
        padding: 40px 30px !important;
    }
}

@media (max-width: 480px) {
    #nameModal .password-modal {
        width: 96% !important;
        max-width: 450px !important;
    }
    
    #nameModal .password-modal-header {
        padding: 35px 25px 30px !important;
    }
    
    #nameModal .password-modal-body {
        padding: 35px 25px !important;
} 
}

/* Specific styling for mainContent ID */

/* Voice Selection Styles */
.voice-select-btn {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.voice-select-btn:hover {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.voice-selection-container {
    padding: 20px 0;
}

.voice-selection-container p {
    margin-bottom: 20px;
    color: #374151;
    font-size: 0.95rem;
    line-height: 1.5;
}

.voice-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 25px;
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
        padding: 15px;
    background: #f9fafb;
}

.voice-option {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.voice-option:hover {
    background: #f3f4f6;
    border-color: #8b5cf6;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.1);
}

.voice-option.selected {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    border-color: #7c3aed;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.voice-option input[type="radio"] {
    margin-right: 12px;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.voice-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.voice-name {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.voice-details {
    font-size: 0.8rem;
    opacity: 0.8;
    display: flex;
    gap: 12px;
}

.voice-lang {
    color: #6b7280;
}

.voice-option.selected .voice-lang {
    color: rgba(255, 255, 255, 0.9);
}

.voice-gender {
    color: #8b5cf6;
    font-weight: 500;
}

.voice-option.selected .voice-gender {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
}

.voice-test-area {
    display: flex;
    align-items: center;
    gap: 15px;
        padding: 15px;
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    border-radius: 8px;
    margin-top: 15px;
}

.voice-test-word {
    margin: 0;
    color: #374151;
    font-size: 0.9rem;
}

#testWord {
    font-weight: 600;
    color: #1f2937;
    font-style: italic;
}

@media (max-width: 768px) {
    .voice-selection-container {
        padding: 15px 0;
    }
    
    .voice-list {
        max-height: 250px;
        padding: 10px;
    }
    
    .voice-option {
        padding: 10px 12px;
    }
    
    .voice-name {
        font-size: 0.85rem;
    }
    
    .voice-details {
        font-size: 0.75rem;
        gap: 8px;
    }
    
    .voice-test-area {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .voice-option {
        padding: 8px 10px;
    }
    
    .voice-option input[type="radio"] {
        margin-right: 8px;
        width: 14px;
        height: 14px;
    }
    
    .voice-name {
        font-size: 0.8rem;
    }
    
    .voice-details {
        font-size: 0.7rem;
        gap: 6px;
    }
}