/* Learn All Unique Words Typing Game CSS */

/* CSS Custom Properties (Variables) */
:root {
    --word-font-size: 48px;
    --typing-font-size: 24px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: white;
    min-height: 100vh;
    color: #333;
}

/* Header Styles */
.header {
    background: white;
    border-bottom: 2px solid #e0e0e0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Translation Container */
.translation-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

/* Translation Button */
.translation-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.translation-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
}

.translation-btn img {
    width: 20px;
    height: 20px;
    filter: brightness(0) saturate(100%);
}

/* Translation Status */
.translation-status {
    font-size: 12px;
    color: #666;
    text-align: center;
    margin-top: 2px;
    font-weight: 500;
}

/* Translation Progress Bar */
.translation-progress-bar {
    width: 40px;
    height: 4px;
    background: #e0e0e0;
    border-radius: 2px;
    overflow: hidden;
    display: none;
}

.translation-progress-bar.show {
    display: block;
}

.translation-progress-fill {
    height: 100%;
    background: black;
    width: 0%;
    transition: width 0.3s ease;
}

/* Dictation Container */
.dictation-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

/* Dictation Button */
.dictation-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dictation-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
}

.dictation-btn.active {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
}

.dictation-btn img {
    width: 20px;
    height: 20px;
    filter: brightness(0) saturate(100%);
}

/* Auto Pronounce */
.autopronounce-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    position: relative;
}

.autopronounce-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.autopronounce-btn:hover,
.autopronounce-btn.active {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
}

.autopronounce-icon {
    width: 20px;
    height: 20px;
    filter: brightness(0) saturate(100%);
}

.autopronounce-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    min-width: 240px;
    z-index: 1001;
    padding: 8px 10px;
    margin-top: 5px;
}

.autopronounce-title {
    font-weight: 700;
    margin-bottom: 6px;
    color: #333;
}

.autopronounce-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 0;
}

.autopronounce-label {
    font-size: 13px;
    color: #333;
}

/* Custom switch */
.switch {
    position: relative;
    width: 34px;
    height: 18px;
    background: #e5e5e5;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    padding: 2px;
    display: inline-flex;
    align-items: center;
    transition: background 150ms ease;
}

.switch .knob {
    width: 14px;
    height: 14px;
    background: #000;
    border-radius: 50%;
    transform: translateX(0);
    transition: transform 150ms ease;
}

.switch.on {
    background: #000;
}

.switch.on .knob {
    background: #000;
    transform: translateX(16px);
}

/* Repeat Functions */
.repeat-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    position: relative;
}

.repeat-btn {
    background: white;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.repeat-btn:hover {
    background: white;
    transform: scale(1.05);
}

.repeat-btn img {
    width: 20px;
    height: 20px;
    filter: brightness(0) saturate(100%);
}

.repeat-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: black;
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    z-index: 1003;
}

.repeat-btn.active {
    background: white;
    transform: scale(1.05);
}

.repeat-btn.disabled {
    opacity: 0.5;
}

.repeat-badge.active {
    background: black;
    color: white;
}

.repeat-badge.disabled {
    background: #ccc;
    color: #666;
}

.repeat-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border: none;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    min-width: 50px;
    z-index: 1001;
    display: none;
    padding: 3px;
    margin-top: 5px;
}

.repeat-dropdown.show {
    display: block;
}

.repeat-option {
    width: 100%;
    padding: 6px 10px;
    border: none;
    border-radius: 2px;
    font-size: 12px;
    background: white;
    color: black;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.repeat-option:hover {
    background: black;
    color: white;
}

.repeat-option:first-child {
    border-radius: 4px 4px 0 0;
}

.repeat-option:last-child {
    border-radius: 0 0 4px 4px;
}





/* Preference Dropdown */
.preference-dropdown {
    position: relative;
}

.preference-btn {
    background: white;
    color: black;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.preference-btn:hover {
    background: black;
    color: white;
    transform: translateY(-1px);
}

.dropdown-content {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    min-width: 300px;
    max-width: 400px;
    z-index: 1001;
    display: none;
    padding: 20px;
    margin-top: 5px;
}

.dropdown-content.show {
    display: block;
}

.dropdown-content > div {
    margin-bottom: 15px;
}

.dropdown-content label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.dropdown-content select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background: white;
}

.apply-translation-btn {
    background: white;
    color: black;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.apply-translation-btn:hover {
    background: black;
    color: white;
}

/* Speech Controls */
.speech-controls h4 {
    margin-bottom: 10px;
    color: #333;
    border-bottom: 2px solid #4a90e2;
    padding-bottom: 5px;
}

.voice-option, .audio-option, .speed-option {
    margin-bottom: 15px;
}

.test-voice-btn {
    background: white;
    color: black;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    margin-left: 10px;
    transition: all 0.3s ease;
}

.test-voice-btn:hover {
    background: black;
    color: white;
}

.current-voice {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
}

.audio-toggle-btn {
    background: white;
    color: black;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s ease;
}

.audio-toggle-btn:hover {
    background: black;
    color: white;
}

.speed-option input[type="range"] {
    width: 100%;
    margin: 10px 0;
}

.speed-labels {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: #666;
}

.reset-speed-btn {
    background: white;
    color: black;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    margin-top: 5px;
    transition: all 0.3s ease;
}

.reset-speed-btn:hover {
    background: black;
    color: white;
}

/* Close Button */
.close-btn {
    background: white;
    color: black;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: black;
    color: white;
    transform: translateY(-1px);
}

/* Game Container */
.game-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Progress Section */
.progress-section {
    background: white;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: black;
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    font-weight: 600;
    color: #333;
    font-size: 16px;
}

/* Navigation Area */
.navigation-area {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0 40px 0;
    padding: 0 20px;
}

.nav-button-container {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-btn {
    background: none;
    border: none;
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    min-width: 120px;
    max-width: 200px;
}

.nav-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.nav-btn img {
    width: 32px;
    height: 32px;
    filter: brightness(0) saturate(100%);
}

.nav-word-info {
    text-align: center;
    font-size: 14px;
}

.nav-word {
    font-weight: bold;
    color: #333;
    margin-bottom: 2px;
}

.nav-translation {
    color: #666;
    font-size: 12px;
}

/* Word Display Area */
.word-display-area {
    background: white;
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 80px;
    text-align: center;
    position: relative;
}

.current-word {
    font-size: var(--word-font-size) !important;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    transition: font-size 0.3s ease;
}

/* Ensure all text inside current-word uses the font size */
.current-word * {
    font-size: var(--word-font-size) !important;
}

.current-word .word-text {
    font-size: var(--word-font-size) !important;
}

/* Speak Button */
.speak-word-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 10px;
}

.speak-word-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    transform: scale(1.02);
}

.speak-word-btn img {
    width: 24px;
    height: 24px;
    filter: brightness(0) saturate(100%);
    display: block;
}

/* Typing Input Area */
.typing-input-area {
    background: white;
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 80px;
    margin-top: 40px;
}

.typing-input {
    width: 100%;
    padding: 20px;
    font-size: var(--typing-font-size) !important;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    text-align: center;
    background: white;
    transition: all 0.3s ease;
    font-family: inherit;
}

/* Ensure input text uses the font size */
.typing-input::placeholder {
    font-size: var(--typing-font-size) !important;
}

.typing-input input {
    font-size: var(--typing-font-size) !important;
}

/* Additional specificity for typing input */
#typingInput {
    font-size: var(--typing-font-size) !important;
}

.typing-input:focus {
    outline: none;
    border-color: black;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.typing-input.correct {
    border-color: black;
    background: #f8f8f8;
}

.typing-input.incorrect {
    border-color: black;
    background: #f8f8f8;
}



/* Game Controls */
.game-controls {
    text-align: center;
    margin-top: 30px;
}

.control-btn {
    background: white;
    color: black;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.control-btn:hover {
    background: black;
    color: white;
    transform: translateY(-2px);
}



/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --word-font-size: 32px;
        --typing-font-size: 18px;
    }
    
    .game-container {
        margin: 20px auto;
        padding: 0 15px;
    }
    
    .current-word {
        flex-direction: column;
        gap: 10px;
    }
    
    .typing-input {
        padding: 15px;
    }
    
    .navbar-right {
        flex-direction: column;
        gap: 10px;
    }
    
    .dropdown-content {
        min-width: 250px;
        right: -50px;
    }
    
    .navigation-area {
        flex-direction: column;
        gap: 15px;
        margin: 20px 0;
    }
    
    .nav-btn {
        min-width: 100px;
        padding: 15px;
    }
    
    .nav-btn img {
        width: 24px;
        height: 24px;
    }
    
    .repeat-container {
        gap: 3px;
    }
    
    .repeat-btn {
        padding: 6px;
    }
    
    .repeat-btn img {
        width: 18px;
        height: 18px;
    }
    
    .repeat-dropdown {
        min-width: 40px;
        padding: 2px;
    }
    
    .repeat-option {
        font-size: 11px;
        padding: 4px 8px;
    }
    
    .dictation-container {
        gap: 3px;
    }
    
    .dictation-btn {
        padding: 6px;
    }
    
    .dictation-btn img {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 480px) {
    :root {
        --word-font-size: 24px;
        --typing-font-size: 16px;
    }
    
    .typing-input {
        padding: 12px;
    }
    
    .translation-modal-content {
        padding: 20px;
        width: 95%;
    }
    
    .nav-btn {
        min-width: 80px;
        padding: 12px;
    }
    
    .nav-btn img {
        width: 20px;
        height: 20px;
    }
    
    .nav-word-info {
        font-size: 12px;
    }
    
    .nav-translation {
        font-size: 10px;
    }
    
    .repeat-container {
        gap: 2px;
    }
    
    .repeat-btn {
        padding: 4px;
    }
    
    .repeat-btn img {
        width: 16px;
        height: 16px;
    }
    
    .repeat-dropdown {
        min-width: 35px;
        padding: 1px;
    }
    
    .repeat-option {
        font-size: 10px;
        padding: 3px 6px;
    }
    
    .dictation-container {
        gap: 2px;
    }
    
    .dictation-btn {
        padding: 4px;
    }
    
    .dictation-btn img {
        width: 16px;
        height: 16px;
    }
    
    .translation-status {
        font-size: 10px;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.floating-list-intro {
    animation: floatingListIntro 1s ease-out;
}

@keyframes floatingListIntro {
    0% { 
        opacity: 0; 
        transform: scale(0.8) translateY(-20px); 
    }
    50% { 
        opacity: 1; 
        transform: scale(1.05) translateY(0); 
    }
    100% { 
        opacity: 1; 
        transform: scale(1) translateY(0); 
    }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

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

.mb-20 {
    margin-bottom: 20px;
}

.mt-20 {
    margin-top: 20px;
}

/* Word Translation */
.word-translation {
    font-size: 14px;
    color: #666;
    text-align: center;
    margin-top: -5px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
}

/* Character-by-Character Typing */
.character-correct {
    color: #000000; /* Black for correct characters */
    font-weight: bold;
}

.character-wrong {
    color: #ef4444; /* Red for wrong characters */
    font-weight: bold;
}

.character-pending {
    color: #6b7280; /* Gray for pending characters */
}

/* Completion Popup */
.completion-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.completion-popup.show {
    display: flex;
}

.completion-popup-content {
    background: white;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
}

.completion-title {
    font-size: 28px;
    font-weight: bold;
    color: black;
    margin-bottom: 10px;
}

.completion-message {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
}

.completion-buttons {
    display: flex;
    justify-content: center;
}

.completion-btn {
    background: white;
    color: black;
    border: 2px solid black;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.completion-btn:hover {
    background: black;
    color: white;
}

.play-again-btn {
    background: white;
    color: black;
}

.back-btn {
    background: white;
    color: black;
}

.completion-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.completion-close-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(1.1);
}

.completion-close-btn img {
    width: 20px;
    height: 20px;
    filter: brightness(0) saturate(100%);
}

/* Sound Settings */
.sound-container {
    position: relative;
    display: inline-block;
    margin: 0 8px;
}

.sound-btn {
    background: white;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: transform 0.2s ease;
}

.sound-btn img {
    width: 20px;
    height: 20px;
}

.sound-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 15px;
    min-width: 200px;
    z-index: 1000;
    display: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-top: 5px;
}

.sound-controls {
    color: black;
}

.sound-checkbox {
    display: block;
    margin-bottom: 10px;
    font-size: 14px;
    color: black;
}

.sound-checkbox input[type="checkbox"] {
    margin-right: 8px;
}

.sound-type-control {
    margin-bottom: 10px;
}

.sound-type-control label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: black;
}

.sound-type-control select {
    width: 100%;
    padding: 5px;
    border: 1px solid #ddd;
    border-radius: 3px;
    font-size: 14px;
    color: black;
}

.volume-control {
    margin-bottom: 10px;
}

.volume-control label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: black;
}

.volume-control input[type="range"] {
    width: 100%;
    margin-bottom: 5px;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: #ddd;
    border-radius: 3px;
    outline: none;
    transition: background 0.3s ease;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: black;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.volume-control input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: black;
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.preview-sound-btn {
    width: 100%;
    padding: 8px;
    background: white;
    color: black;
    border: 1px solid #ddd;
    border-radius: 3px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.preview-sound-btn:hover {
    background: black;
    color: white;
    border-color: black;
}

@media (max-width: 768px) {
    .sound-dropdown {
        min-width: 180px;
        padding: 12px;
    }
    
    .sound-controls {
        font-size: 12px;
    }
}

/* Floating Unique Words List */
.floating-unique-words-list {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 280px;
    min-width: 200px;
    max-width: 500px;
    z-index: 1000;
    transition: all 0.3s ease;
    user-select: none; /* Prevent text selection during drag */
    resize: horizontal;
    overflow: auto;
}

.floating-unique-words-list:not(.collapsed) {
    resize: both;
    min-height: 200px;
    max-height: 600px;
}

.floating-unique-words-list.dragging {
    transition: none; /* Disable transitions during drag */
    opacity: 0.9;
    transform: scale(1.02);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.floating-unique-words-list.collapsed {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px;
    max-width: 40px;
    min-height: 40px;
    max-height: 40px;
    aspect-ratio: 1/1; /* Maintain perfect 1:1 ratio */
    cursor: move;
    resize: none !important; /* Prevent manual resizing */
    overflow: hidden;
    flex-shrink: 0; /* Prevent flex shrinking */
    flex-grow: 0; /* Prevent flex growing */
    /* Position in top right corner under navbar */
    top: 80px !important;
    right: 20px !important;
}

.floating-unique-words-list.collapsed .unique-words-panel {
    width: 100% !important;
    height: 100% !important;
    border-radius: 50% !important;
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
    overflow: hidden;
    margin: 0 !important;
    padding: 0 !important;
}

.floating-unique-words-list.collapsed .unique-words-header {
    width: 100% !important;
    height: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    border-bottom: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: move;
    background: transparent !important;
    border-radius: 50%;
    box-sizing: border-box;
    overflow: hidden;
}

.floating-unique-words-list.collapsed .unique-words-header:hover {
    background: rgba(0, 0, 0, 0.05);
}

.floating-unique-words-list.collapsed .unique-words-header-left h3,
.floating-unique-words-list.collapsed .translation-section,
.floating-unique-words-list.collapsed .unique-words-count,
.floating-unique-words-list.collapsed .unique-words-list,
.floating-unique-words-list.collapsed .base-form-container,
.floating-unique-words-list.collapsed .ai-base-form-container,
.floating-unique-words-list.collapsed .collapse-btn {
    display: none;
}

.floating-unique-words-list.collapsed .unique-words-header-left img {
    width: 24px !important;
    height: 24px !important;
    flex-shrink: 0;
    display: block;
}

/* Collapsed state shows only Notes icon, clickable to expand */
.floating-unique-words-list.collapsed .unique-words-header:hover {
    background: rgba(0, 0, 0, 0.1) !important;
    border-radius: 50%;
}

/* Ensure perfect circle during all states */
.floating-unique-words-list.collapsed .unique-words-header-left {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

/* Prevent any background leaks during dragging */
.floating-unique-words-list.collapsed.dragging {
    background: transparent !important;
}

.floating-unique-words-list.collapsed.dragging .unique-words-panel {
    background: transparent !important;
    box-shadow: none !important;
}

.floating-unique-words-list.collapsed.dragging .unique-words-header {
    background: transparent !important;
}

/* Additional circle perfection rules */
.floating-unique-words-list.collapsed * {
    box-sizing: border-box;
}

/* Ensure no content can break the circle shape */
.floating-unique-words-list.collapsed .unique-words-header-left h3,
.floating-unique-words-list.collapsed .translation-section,
.floating-unique-words-list.collapsed .unique-words-count,
.floating-unique-words-list.collapsed .unique-words-list,
.floating-unique-words-list.collapsed .base-form-container,
.floating-unique-words-list.collapsed .ai-base-form-container {
    display: none !important;
    visibility: hidden !important;
}

/* Force circular clipping for any edge cases */
.floating-unique-words-list.collapsed {
    clip-path: circle(50%);
    -webkit-clip-path: circle(50%);
}

/* Unique Words Panel */
.unique-words-panel {
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    border: 1px solid #e5e7eb;
}

.unique-words-header {
    background: white;
    padding: 12px 16px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    cursor: move; /* Show drag cursor */
}

.unique-words-header:hover {
    background: #f8f9fa;
}

.unique-words-header.dragging {
    cursor: grabbing;
    background: #f1f3f4;
}

.unique-words-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.unique-words-header-left img {
    width: 20px;
    height: 20px;
}

.unique-words-header-left h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.translation-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.translation-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.translation-btn:hover {
    background-color: #f3f4f6;
    border-radius: 4px;
}

.translation-btn img {
    width: 16px;
    height: 16px;
}

.translation-status {
    font-size: 10px;
    color: #666;
    text-align: center;
    margin-top: 2px;
    font-weight: 500;
}

.collapse-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.collapse-btn:hover {
    background-color: #f3f4f6;
}

.collapse-btn img {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.unique-words-count {
    background: #f8f9fa;
    padding: 8px 16px;
    font-size: 12px;
    color: #666;
    border-bottom: 1px solid #e5e7eb;
    text-align: center;
}

.unique-words-list {
    max-height: 300px;
    overflow-y: auto;
    padding: 8px;
}

.unique-word-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 8px;
    margin-bottom: 2px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    transition: all 0.2s;
    animation: slideInWord 0.3s ease-out;
}

.unique-word-item:hover {
    background: #f8f9fa;
    border-color: #d1d5db;
}

.unique-word-text {
    font-weight: 500;
    color: #333;
    flex: 1;
}

.unique-word-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.speak-word-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
    border-radius: 2px;
    transition: background-color 0.2s;
    opacity: 0.6;
}

.speak-word-btn:hover {
    background-color: #f1f3f4;
    opacity: 1;
}

.speak-word-btn img {
    width: 14px;
    height: 14px;
}

/* Animation for words appearing */
@keyframes slideInWord {
    0% {
        transform: translateY(-10px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Typing Mode Buttons */
.typing-mode-buttons {
    padding: 12px 16px;
    border-top: 1px solid #e5e7eb;
    background: white;
    display: flex;
    gap: 8px;
}

.typing-mode-btn {
    flex: 1;
    padding: 8px 12px;
    background: white;
    color: #666;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.typing-mode-btn:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
    color: #333;
}

.typing-mode-btn.active {
    background: black;
    color: white;
    border-color: black;
}

.typing-mode-btn.active:hover {
    background: #333;
    border-color: #333;
}

.typing-mode-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Hide typing mode buttons when collapsed */
.floating-unique-words-list.collapsed .typing-mode-buttons {
    display: none;
}

/* Base Form Container - Copied exactly from Unknown Words List */
.base-form-container {
    background: white !important;
    padding: 8px 12px;
    margin-bottom: 6px;
    border-radius: 4px;
    max-width: 300px;
    border: none;
}

/* Ensure container background is ALWAYS white, regardless of any state */
.base-form-container,
.base-form-container.enabled,
.base-form-container.disabled,
.base-form-container:hover,
.base-form-container:focus,
.base-form-container:active {
    background: white !important;
}

/* Prevent any JavaScript from changing container background */
.base-form-container[style*="background"] {
    background: white !important;
}

/* Base form toggle button styles - Copied exactly from Unknown Words List */
.base-form-toggle-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: white;
    border: none;
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    color: #1f2937;
    margin-bottom: 4px;
    font-weight: 500;
}

.base-form-toggle-btn:hover {
    background-color: white;
    border: none;
}

.base-form-toggle-btn.enabled {
    background-color: white;
    border: none;
    color: #1f2937;
}

.base-form-toggle-btn.enabled:hover {
    background-color: white;
    border: none;
}

.toggle-text {
    font-weight: 500;
}

.toggle-switch {
    width: 24px;
    height: 12px;
    background-color: #d1d5db;
    border-radius: 6px;
    position: relative;
    transition: background-color 0.2s;
}

.base-form-toggle-btn.enabled .toggle-switch {
    background-color: #1f2937;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 1px;
    left: 1px;
    width: 10px;
    height: 10px;
    background-color: white;
    border-radius: 50%;
    transition: transform 0.2s;
}

.base-form-toggle-btn.enabled .toggle-switch::after {
    transform: translateX(12px);
    background-color: white;
}

/* Base form hint styles - Copied exactly from Unknown Words List */
.base-form-hint {
    font-size: 11px;
    color: #6b7280;
    line-height: 1.2;
    font-style: italic;
    margin: 0;
    padding: 2px 0;
}

/* Base form input styles - Copied exactly from Unknown Words List */
.base-form-input-container {
    display: flex;
    align-items: center;
    gap: 4px;
}

.base-form-input-container.hidden {
    display: none;
}

.base-form-input {
    width: 100px;
    padding: 4px 8px;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    font-size: 12px;
    background-color: white;
    transition: border-color 0.2s;
}

.base-form-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 1px #3b82f6;
}

.base-form-input::placeholder {
    color: #9ca3af;
    font-style: italic;
}

.base-form-input.hidden {
    display: none;
}

/* Base form display styles */
.base-form-display {
    font-size: 12px;
    color: #666;
    font-style: italic;
    margin-left: 8px;
}

.base-form-display.hidden {
    display: none;
}

/* Edit base form button */
.edit-base-form-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
    border-radius: 2px;
    transition: background-color 0.2s;
    opacity: 0.6;
    margin-left: 4px;
}

.edit-base-form-btn:hover {
    background-color: #f1f3f4;
    opacity: 1;
}

.edit-base-form-btn img {
    width: 16px;
    height: 16px;
}

.edit-base-form-btn.hidden {
    display: none;
}

/* AI Base Form Container - Copied exactly from Unknown Words List */
.ai-base-form-container {
    padding: 0 12px;
    margin-bottom: 6px;
}

.apply-translation-btn {
    width: 100%;
    margin-top: 8px;
    padding: 6px 12px;
    background-color: black;
    color: white;
    border: none;
    border-radius: 3px;
    font-size: 12px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.apply-translation-btn:hover {
    background-color: #333;
}

.apply-translation-btn.btn-invert {
    background-color: white;
    color: black;
    border: 1px solid #d1d5db;
}

.apply-translation-btn.btn-invert:hover {
    background-color: black;
    color: white;
    border-color: black;
}

.apply-translation-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Enhanced Word Items */
.unique-word-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px;
    margin-bottom: 2px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    transition: all 0.2s;
    animation: slideInWord 0.3s ease-out;
}

.unique-word-item:hover {
    background: #f8f9fa;
    border-color: #d1d5db;
}

.unique-word-item.removing-word {
    animation: slideOutWord 0.3s ease-in forwards;
}

.word-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.word-line {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.unique-word-text {
    font-weight: 500;
    color: #333;
    cursor: pointer;
    transition: color 0.2s;
}

.unique-word-text:hover {
    color: #000;
}

.base-form-display {
    font-size: inherit;
    font-weight: 400;
    color: #666;
    font-style: italic;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 2px;
    transition: background-color 0.2s;
}

.base-form-display:hover {
    background: rgba(0, 0, 0, 0.05);
}

.base-form-input-container {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
}

.base-form-input-container.hidden {
    display: none;
}

.base-form-input {
    flex: 1;
    padding: 4px 6px;
    border: 1px solid #ddd;
    border-radius: 3px;
    font-size: 12px;
}

.base-form-input:focus {
    outline: none;
    border-color: #000;
}

.word-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.word-actions button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 3px;
    transition: all 0.2s;
    opacity: 0.6;
}

.word-actions button:hover {
    background: rgba(0, 0, 0, 0.1);
    opacity: 1;
}

.word-actions button img {
    width: 16px;
    height: 16px;
}

.edit-base-form-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
    border-radius: 2px;
    transition: background-color 0.2s;
    opacity: 0.6;
    display: flex;
    align-items: center;
    justify-content: center;
}

.edit-base-form-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    opacity: 1;
}

.edit-base-form-btn img {
    width: 12px;
    height: 12px;
}

.edit-base-form-btn.hidden {
    display: none;
}

.edit-translation-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 3px;
    transition: background-color 0.2s;
    opacity: 0.6;
    display: flex;
    align-items: center;
    justify-content: center;
}

.edit-translation-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    opacity: 1;
}

.edit-translation-btn img {
    width: 16px;
    height: 16px;
}

.translation-text {
    font-size: 11px;
    color: #666;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 2px;
    transition: background-color 0.2s;
}

.translation-text:hover {
    background: rgba(0, 0, 0, 0.05);
}

.translation-edit-input {
    flex: 1;
    font-size: 11px;
    padding: 2px 4px;
    border: 1px solid #ddd;
    border-radius: 2px;
}

.translation-edit-input:focus {
    outline: none;
    border-color: #000;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 3px;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: rgba(0, 0, 0, 0.1);
}

.icon-btn img {
    width: 16px;
    height: 16px;
}

/* Modal Styles */
.learning-options-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.learning-options-modal.hidden {
    display: none;
}

.learning-options-content {
    background: white;
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.learning-options-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #e5e7eb;
}

.learning-options-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.close-modal-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.close-modal-btn:hover {
    background: rgba(0, 0, 0, 0.1);
}

.close-modal-btn img {
    width: 20px;
    height: 20px;
}

.learning-options-body {
    padding: 20px;
}

.ai-hint {
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 16px;
}

/* Custom Message */
.custom-message {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 12px 20px;
    border-radius: 6px;
    z-index: 10001;
    transition: all 0.3s ease;
}

.custom-message.hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
    pointer-events: none;
}

/* AI Hint Popup */
.ai-hint-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10002;
}

.ai-hint-popup-content {
    background: white;
    border-radius: 8px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    font-size: 14px;
    line-height: 1.6;
}

/* Animations */
@keyframes slideInWord {
    0% {
        transform: translateY(-10px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideOutWord {
    0% {
        transform: translateY(0);
        opacity: 1;
        max-height: 50px;
    }
    100% {
        transform: translateY(-10px);
        opacity: 0;
        max-height: 0;
        margin-bottom: 0;
        padding-top: 0;
        padding-bottom: 0;
    }
}

/* Responsive design for floating list */
@media (max-width: 768px) {
    .floating-unique-words-list {
        top: 10px;
        right: 10px;
        width: 250px;
    }
    
    .floating-unique-words-list.collapsed {
        width: 40px !important;
        height: 40px !important;
        min-width: 40px;
        max-width: 40px;
        min-height: 40px;
        max-height: 40px;
        /* Position in top right corner under navbar on mobile */
        top: 70px !important;
        right: 10px !important;
    }
    
    .floating-unique-words-list.collapsed .unique-words-header {
        padding: 0 !important;
    }
    
    .floating-unique-words-list.collapsed .unique-words-header-left img {
        width: 24px !important;
        height: 24px !important;
    }
    
    .unique-words-list {
        max-height: 200px;
    }
    
    /* Improve touch targets for mobile dragging */
    .unique-words-header {
        padding: 16px;
        min-height: 48px; /* Minimum touch target size */
    }
}

@media (max-width: 480px) {
    .floating-unique-words-list {
        width: 220px;
        top: 5px;
        right: 5px;
    }
    
    .unique-words-header {
        padding: 12px;
    }
    
    .unique-words-list {
        max-height: 150px;
    }
}

/* Drag handle visual indicator */
.unique-words-header::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 4px;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: #d1d5db;
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.unique-words-header:hover::before {
    opacity: 1;
}

.unique-words-header.dragging::before {
    opacity: 1;
    background: #9ca3af;
}