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

:root {
    --primary-gradient-start: #84a98c;
    --primary-gradient-end: #52796f;
    --background-light: #f4f1ea;
    --background-light-alt: #ebe7dd;
    --text-primary: #2f3e46;
    --text-secondary: #52796f;
    --border-color: #cac4b0;
    --shadow-color: rgba(0, 0, 0, 0.08);
}

body.dark-mode {
    --primary-gradient-start: #52796f;
    --primary-gradient-end: #354f52;
    --background-light: #1a1f1e;
    --background-light-alt: #2f3e46;
    --text-primary: #e8e5da;
    --text-secondary: #b8b5a8;
    --border-color: #52796f;
    --shadow-color: rgba(0, 0, 0, 0.4);
}

.top-controls {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    display: flex;
    gap: 15px;
    align-items: center;
}

#languageSelector {
    background: var(--background-light);
    border-radius: 25px;
    padding: 8px 15px;
    box-shadow: 0 2px 8px var(--shadow-color);
}

#translationLang {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    padding: 0;
}

#translationLang option {
    background: var(--background-light);
    color: var(--text-primary);
}

#darkModeToggle {
    cursor: pointer;
    padding: 8px;
}

.toggle-track {
    position: relative;
    width: 100px;
    height: 35px;
    background: #475569;
    border-radius: 20px;
    box-shadow: 0 3px 10px var(--shadow-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    padding: 3px;
}

.toggle-thumb {
    position: absolute;
    width: 43px;
    height: 29px;
    background: #cbd5e1;
    border-radius: 17px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    left: 3px;
    z-index: 2;
}

body.dark-mode .toggle-track {
    background: #1e293b;
}

body.dark-mode .toggle-thumb {
    left: 54px;
    background: #64748b;
}

.toggle-label-light,
.toggle-label-dark {
    position: absolute;
    font-size: 11px;
    font-weight: 600;
    transition: all 0.3s ease;
    z-index: 1;
    color: rgba(255, 255, 255, 0.5);
    pointer-events: none;
    padding: 4px 8px;
    border-radius: 12px;
}

.toggle-label-light {
    left: 6px;
    color: #2f3e46;
    background: #f4f1ea;
}

.toggle-label-dark {
    right: 6px;
    color: rgba(255, 255, 255, 0.5);
    background: transparent;
}

body.dark-mode .toggle-label-light {
    color: #64748b;
    background: #e2e8f0;
}

body.dark-mode .toggle-label-dark {
    color: #2f3e46;
    background: #f4f1ea;
}

#darkModeToggle:hover .toggle-track {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-color);
}

body {
    font-family: "Roboto", sans-serif;
    background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    width: 100vw;
    transition: all 0.3s ease;
}

.container {
    display: flex;
    width: 100%;
    max-width: 1400px;
    padding: 20px;
    gap: 20px;
}

.tabs {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    background: var(--background-light-alt);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--shadow-color);
    width: 280px;
    min-width: 280px;
    flex-shrink: 0;
    padding: 20px 0;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    position: sticky;
    top: 20px;
    transition: all 0.3s ease;
}

.tabs::-webkit-scrollbar {
    width: 6px;
}

.tabs::-webkit-scrollbar-track {
    background: transparent;
}

.tabs::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
}

.tab {
    padding: 12px 20px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    width: 100%;
    border-radius: 8px;
    margin: 2px 10px;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.tab::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%);
    transform: scaleY(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    transform: translateX(5px);
}

body.dark-mode .tab:hover {
    background: linear-gradient(135deg, rgba(124, 147, 245, 0.15) 0%, rgba(139, 95, 199, 0.15) 100%);
}

.tab:hover::before {
    transform: scaleY(1);
}

.active-tab {
    background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transform: translateX(5px);
}

.active-tab::before {
    transform: scaleY(1);
}
.content {
    display: none;
    flex: 1;
    background: var(--background-light-alt);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 8px 32px var(--shadow-color);
    transition: all 0.3s ease;
}

.active-content {
    display: block;
    animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-section {
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    width: 100%;
}

label {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input,
select,
textarea {
    padding: 14px 16px;
    font-size: 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    height: auto;
    box-sizing: border-box;
    font-family: "Roboto", sans-serif;
    background: var(--background-light);
    color: var(--text-primary);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--primary-gradient-start);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

textarea:focus {
    outline: none;
    border-color: var(--primary-gradient-start);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

body.dark-mode input:focus,
body.dark-mode select:focus,
body.dark-mode textarea:focus {
    box-shadow: 0 0 0 3px rgba(124, 147, 245, 0.2);
}

textarea {
    min-height: 250px;
    resize: vertical;
}

button {
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    width: auto;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

body.dark-mode button {
    box-shadow: 0 4px 15px rgba(124, 147, 245, 0.5);
}

body.dark-mode button:hover {
    box-shadow: 0 6px 20px rgba(124, 147, 245, 0.7);
}

button:active {
    transform: translateY(0);
}

.output {
    margin-top: 20px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 12px;
    font-size: 15px;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    width: 100%;
}

.copy-button {
    padding: 10px 18px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

.copy-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.5);
}

.chat-box {
    width: 100%;
    min-height: 400px;
    max-height: 600px;
    border: 2px solid var(--border-color);
    padding: 20px;
    font-size: 15px;
    background: var(--background-light-alt);
    color: var(--text-primary);
    border-radius: 12px;
    resize: vertical;
    overflow-y: auto;
    white-space: normal;
    text-align: left;
    box-shadow: inset 0 2px 4px var(--shadow-color);
    transition: all 0.3s ease;
}

.chat-box::-webkit-scrollbar {
    width: 8px;
}

.chat-box::-webkit-scrollbar-track {
    background: #f1f3f5;
    border-radius: 10px;
}

.chat-box::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
}

.message {
    margin: 0;
    padding: 8px 12px;
    border-radius: 14px;
    word-wrap: break-word;
    overflow-wrap: break-word;
    display: inline-block;
    max-width: 280px;
    animation: slideIn 0.3s ease-out;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    font-size: 14px;
    line-height: 1.4;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-message {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: right;
    border-bottom-right-radius: 4px;
}

.assistant-message {
    background: var(--background-light);
    color: var(--text-primary);
    text-align: left;
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 4px;
}

.error-message {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    text-align: left;
    color: white;
    padding: 15px 18px;
    border-radius: 12px;
    margin: 12px 0;
    max-width: fit-content;
    word-wrap: break-word;
    clear: both;
    display: block;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.news-card {
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 100%;
}

.news-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #4caf50;
}

.news-number {
    background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
    color: white;
    font-weight: bold;
    min-width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.news-content {
    flex: 1;
    line-height: 1.6;
    color: #14171a;
    font-size: 15px;
}

.news-content a {
    color: #1da1f2;
    text-decoration: none;
}

.news-content a:hover {
    text-decoration: underline;
}

/* Quiz Styles */
.quiz-option {
    background: var(--background-light);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.quiz-option:hover:not(:disabled) {
    background: var(--border-color);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.quiz-option:disabled {
    cursor: not-allowed;
}

.movie-card {
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    gap: 16px;
    align-items: center;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    width: 100%;
}

.movie-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #ff6b6b;
    transform: translateY(-2px);
}

.movie-rank {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    color: white;
    font-weight: bold;
    min-width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.movie-content {
    flex: 1;
}

.trip-card {
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    width: 100%;
}

.trip-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #2196f3;
}

.trip-day {
    background: linear-gradient(135deg, #2196f3 0%, #1976d2 100%);
    color: white;
    font-weight: bold;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
    min-width: 80px;
    flex-shrink: 0;
}

.trip-content {
    flex: 1;
}

.recommendation-card {
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 12px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    width: 100%;
}

.recommendation-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #ff9800;
}

.recommendation-icon {
    font-size: 40px;
    flex-shrink: 0;
}

.recommendation-content {
    flex: 1;
    line-height: 1.6;
    color: #333;
}

.meeting-card {
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 12px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    width: 100%;
}

.meeting-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: #ff9800;
    transform: translateY(-4px);
}

.meeting-icon-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.meeting-icon {
    font-size: 48px;
    background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
    width: 80px;
    height: 80px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(255, 152, 0, 0.3);
}

.meeting-venue-label {
    font-size: 12px;
    font-weight: 600;
    color: #ff9800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.meeting-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.meeting-info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meeting-label {
    font-size: 12px;
    font-weight: 600;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.meeting-value {
    font-size: 16px;
    color: #2c3e50;
    font-weight: 500;
    line-height: 1.4;
}

.meeting-address-link {
    color: #2196f3;
    text-decoration: none;
    transition: all 0.2s ease;
    border-bottom: 2px solid transparent;
}

.meeting-address-link:hover {
    color: #1976d2;
    border-bottom-color: #1976d2;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        padding: 15px;
        gap: 15px;
    }
    
    .tabs {
        width: 100%;
        max-height: none;
        position: relative;
        top: 0;
        margin-bottom: 15px;
    }
    
    .tab {
        padding: 12px 16px;
        margin: 2px 8px;
    }
    
    .content {
        padding: 20px;
    }
    
    .chat-box {
        min-height: 300px;
        max-height: 500px;
    }
    
    textarea {
        min-height: 150px;
    }
    
    .message {
        max-width: 220px;
    }
    
    .user-message,
    .assistant-message {
        max-width: 220px;
    }
    
    /* Speaking Practice, Pronunciation, Shadowing - Mobile optimizations */
    #voiceChatBox {
        min-height: 150px !important;
        max-height: 300px !important;
        padding: 8px !important;
    }
    
    /* Voice Controls v3 - Dynamic button */
    .voice-controls-v3 #voiceMicBtn {
        width: 70px !important;
        height: 70px !important;
    }
    
    .voice-controls-v3 #voiceMicBtn span {
        font-size: 35px !important;
    }
    
    .voice-controls-v3 button {
        font-size: 12px !important;
        padding: 8px 14px !important;
    }
    
    /* Voice Controls v2 */
    .voice-controls-v2 .mic-btn-v2,
    #voiceMicBtn {
        width: 70px !important;
        height: 70px !important;
    }
    
    #voiceMicBtn span {
        font-size: 32px !important;
    }
    
    .voice-controls-v2 button {
        font-size: 12px !important;
        padding: 8px 14px !important;
    }
    
    /* Old micButton fallback */
    #micButton {
        width: 60px !important;
        height: 60px !important;
        font-size: 28px !important;
    }
    
    /* Control buttons grid layout responsive */
    div[style*="grid-template-columns"] {
        grid-template-columns: auto !important;
        gap: 8px !important;
    }
    
    /* Control buttons container */
    .form-section > div[style*="display: flex"] button,
    .form-section > div[style*="display: grid"] button {
        padding: 10px 14px !important;
        font-size: 13px !important;
        min-width: unset !important;
    }
    
    /* Sliders and range inputs */
    input[type="range"] {
        height: 8px !important;
    }
    
    /* Mobile text input */
    #mobileTextInput input {
        font-size: 16px !important; /* Prevents auto-zoom on iOS */
    }
    
    /* Pronunciation and Shadowing buttons */
    button[onclick*="Pronunciation"],
    button[onclick*="Shadowing"],
    button[onclick*="generateShadowingText"],
    button[onclick*="playPronunciationDemo"],
    button[onclick*="recordPronunciation"],
    button[onclick*="playShadowingAudio"],
    button[onclick*="pauseShadowingAudio"] {
        padding: 10px 12px !important;
        font-size: 13px !important;
        min-width: 120px !important;
    }
    
    /* Text areas in new features */
    #pronunciationTextInput,
    #shadowingTopicInput {
        font-size: 16px !important; /* Prevents auto-zoom on iOS */
    }
    
    /* Speed control containers */
    div[style*="display: flex"][style*="align-items: center"] {
        gap: 8px !important;
    }
    
    /* Feedback boxes */
    #pronunciationGuide,
    #pronunciationFeedback,
    #shadowingTextBox {
        padding: 15px !important;
        font-size: 14px !important;
    }
    
    /* Voice controls v3 secondary buttons */
    .voice-controls-v3 > div {
        flex-wrap: wrap !important;
        gap: 8px !important;
    }
    
    /* Form sections */
    .form-section {
        padding: 15px !important;
    }
    
    .form-section h3 {
        font-size: 18px !important;
        margin-bottom: 15px !important;
    }
    
    .form-section label {
        font-size: 13px !important;
    }
    
    .form-section select,
    .form-section input[type="text"],
    .form-section textarea {
        font-size: 16px !important; /* Prevents auto-zoom on iOS */
    }
}

.loading {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--background-light);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 16px;
    padding: 30px 40px;
    z-index: 1000;
    box-shadow: 0 10px 40px var(--shadow-color);
    transition: all 0.3s ease;
}

.loading p {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#chatFileInput {
    margin-bottom: 10px;
    display: inline-block;
}

#chatInput {
    margin-bottom: 0;
}

#chatInput,
#includeResource {
    width: 100%;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

#includeResource {
    width: 20px;
    height: 20px;
    margin: 0;
    display: inline-block;
}

.checkbox-container label {
    font-size: 16px;
    color: #333;
    margin: 0;
}

#requirementsInput,
#codeInput {
    margin-bottom: 10px;
    width: 100%;
}

#toggleCodeInput {
    width: 20px;
    height: 20px;
    margin: 0;
}

#requirementsForTCInput,
#tcInput {
    margin-bottom: 10px;
    width: 100%;
}

#toggleCodeInputTC {
    width: 20px;
    height: 20px;
    margin: 0;
}

#toggleCodeInputVisibility {
    width: 20px;
    height: 20px;
    margin: 0;
}

.radio-group {
    margin: 15px 0;
    display: flex;
    gap: 20px;
}

.radio-group label {
    font-size: 16px;
    color: #555;
    cursor: pointer;
}

.radio-group input[type="radio"] {
    margin-right: 5px;
}

input[type="checkbox"] {
    width: 20px;
    height: 20px;
}

.tab-group .tab {
    display: none;
    padding-left: 30px;
}

.tab-group.active-group .tab {
    display: block;
    cursor: pointer;
}

.group-title {
    font-weight: 700;
    font-size: 13px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 12px 20px 8px 20px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    user-select: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.group-title::after {
    content: '▼';
    position: absolute;
    right: 20px;
    transition: transform 0.3s ease;
    -webkit-text-fill-color: initial;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tab-group.active-group .group-title::after {
    transform: rotate(180deg);
}

.group-title:hover {
    opacity: 0.8;
}

.code-block {
    position: relative;
    margin: 10px 0;
}

.copy-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    padding: 3px 8px;
    font-size: 12px;
    cursor: pointer;
}

/* Code block styling */
pre {
    background: linear-gradient(135deg, #1a1e24 0%, #0d1117 100%);
    padding: 20px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 15px 0;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(102, 126, 234, 0.2);
}

pre code {
    background: transparent;
    padding: 0;
    border-radius: 0;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    line-height: 1.6;
    color: #c9d1d9;
    white-space: pre;
    display: block;
}

code {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    padding: 4px 8px;
    border-radius: 6px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 13px;
    color: #667eea;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

/* Translation Tooltip Styles */
#translation-tooltip {
    position: fixed;
    display: none;
    background: var(--background-light-alt);
    border: 2px solid var(--primary-gradient-start);
    border-radius: 8px;
    padding: 12px 16px;
    box-shadow: 0 4px 12px var(--shadow-color);
    z-index: 10000;
    max-width: 300px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    word-wrap: break-word;
    animation: tooltipFadeIn 0.2s ease;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    #translation-tooltip {
        max-width: calc(100vw - 40px);
        font-size: 13px;
        padding: 10px 14px;
        left: 20px !important;
        right: 20px !important;
        width: auto !important;
    }
    
    .news-card {
        padding: 12px;
        gap: 10px;
    }
    
    .news-content {
        font-size: 14px;
        user-select: text;
        -webkit-user-select: text;
    }
}

/* ── Song Creator ───────────────────────────────────────── */
.song-section-label {
    font-weight: 700;
    color: #6b21a8;
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 18px 0 4px;
    font-family: sans-serif;
}

.song-stanza {
    margin-bottom: 16px;
    line-height: 1.9;
}

/* ── Song Result Card ──────────────────────────────────── */
/* ── Modern Song Player ──────────────────────────────────── */
.song-card {
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px var(--shadow-color);
}

.song-card-header {
    background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%);
    padding: 28px;
    color: white;
    display: flex;
    align-items: center;
    gap: 16px;
}

.song-card-icon {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8em;
    flex-shrink: 0;
}

.song-card-meta h3 {
    margin: 0;
    font-size: 1.25em;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.song-card-meta p {
    margin: 6px 0 0;
    font-size: 0.85em;
    opacity: 0.85;
    font-weight: 500;
}

.song-card-body {
    padding: 28px;
}

/* Visual area — disc + equalizer */
.sp-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 28px;
    padding: 20px 0;
}

.sp-disc {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, #1a1a2e, #16213e, #0f3460, #1a1a2e);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
}

.sp-disc.spinning {
    animation: spDisc 3s linear infinite;
}

@keyframes spDisc {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.sp-disc-inner {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--background-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9em;
    box-shadow: inset 0 1px 4px rgba(0,0,0,0.15);
}

/* Equalizer bars */
.sp-eq {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 60px;
}

.sp-eq span {
    width: 6px;
    background: linear-gradient(to top, var(--primary-gradient-start), var(--primary-gradient-end));
    border-radius: 3px;
    transition: height 0.15s ease;
    height: 8px;
}

.sp-eq.active span { animation: spEqBounce 0.8s ease infinite; }
.sp-eq.active span:nth-child(1) { animation-delay: 0s; }
.sp-eq.active span:nth-child(2) { animation-delay: 0.15s; }
.sp-eq.active span:nth-child(3) { animation-delay: 0.3s; }
.sp-eq.active span:nth-child(4) { animation-delay: 0.1s; }
.sp-eq.active span:nth-child(5) { animation-delay: 0.25s; }

@keyframes spEqBounce {
    0%, 100% { height: 8px; }
    50%      { height: 48px; }
}

/* Seekable progress bar */
.sp-progress-wrap { margin-bottom: 20px; }

.sp-progress-bar {
    position: relative;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    cursor: pointer;
    transition: height 0.15s ease;
}

.sp-progress-bar:hover { height: 10px; }

.sp-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-gradient-start), var(--primary-gradient-end));
    border-radius: 3px;
    transition: width 0.15s linear;
}

.sp-progress-thumb {
    position: absolute;
    top: 50%;
    left: 0%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary-gradient-end);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.sp-progress-bar:hover .sp-progress-thumb { opacity: 1; }

.sp-times {
    display: flex;
    justify-content: space-between;
    font-size: 0.75em;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    font-family: monospace;
    margin-top: 8px;
}

/* Play / skip controls */
.sp-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.sp-play-btn {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    font-size: 1.4em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.sp-play-btn:hover  { transform: scale(1.08); box-shadow: 0 6px 24px rgba(0,0,0,0.3); }
.sp-play-btn:active { transform: scale(0.96); }

.sp-ctrl-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1.5px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.sp-ctrl-btn:hover {
    border-color: var(--primary-gradient-start);
    color: var(--primary-gradient-start);
    background: rgba(132,169,140,0.08);
}

/* Volume slider */
.sp-volume {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    padding: 0 8px;
}

.sp-vol-icon {
    cursor: pointer;
    font-size: 1.1em;
    user-select: none;
}

.sp-vol-slider {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border-color);
    border-radius: 2px;
    outline: none;
}

.sp-vol-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary-gradient-end);
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.sp-vol-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary-gradient-end);
    cursor: pointer;
    border: none;
}

.sp-vol-slider::-moz-range-track {
    background: var(--border-color);
    height: 4px;
    border-radius: 2px;
}

/* Download buttons */
.sp-downloads {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.sp-dl-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    border: 1.5px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.92em;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.sp-dl-btn:hover {
    background: var(--background-light-alt);
    border-color: var(--primary-gradient-start);
    color: var(--primary-gradient-start);
}

.sp-dl-video { border-style: dashed; }

.song-card-footer {
    text-align: center;
    font-size: 0.72em;
    color: var(--text-secondary);
    opacity: 0.6;
    padding-top: 8px;
}

/* ── Vocal Separator ────────────────────────────────────── */
.stem-file-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--background-light-alt);
    border-radius: 10px;
    color: var(--text-primary);
}

.stem-file-icon { font-size: 1.6em; }

.stem-file-badge strong {
    display: block;
    font-size: 0.92em;
    margin-bottom: 2px;
}

.stem-file-badge small {
    color: var(--text-secondary);
    font-size: 0.78em;
}

.stem-progress-outer {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.stem-progress-inner {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-gradient-start), var(--primary-gradient-end));
    border-radius: 3px;
    transition: width 0.4s ease;
}

/* ── Stem Separator — modern compact grid ────────────────── */
.stem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
@media (max-width: 600px) { .stem-grid { grid-template-columns: 1fr; } }

.stem-card {
    background: var(--background-light-alt);
    border-radius: 12px;
    padding: 12px 14px;
    border-left: 3px solid var(--stem-accent, var(--primary-gradient-start));
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: box-shadow 0.2s ease;
}
.stem-card:hover { box-shadow: 0 2px 12px rgba(0,0,0,0.08); }

.stem-card-top {
    display: flex;
    align-items: center;
    gap: 6px;
}
.stem-card-icon { font-size: 1.1em; line-height: 1; }
.stem-card-label {
    font-weight: 600;
    font-size: 0.85em;
    color: var(--text-primary);
    flex: 1;
}
.stem-card-dl {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    text-decoration: none;
    flex-shrink: 0;
}
.stem-card-dl:hover {
    background: var(--background-light);
    color: var(--stem-accent, var(--primary-gradient-start));
}

.stem-card-player {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stem-card-play {
    width: 30px;
    height: 30px;
    min-width: 30px;
    border-radius: 50%;
    border: none;
    background: var(--stem-accent, var(--primary-gradient-start));
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease, opacity 0.15s ease;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
    padding: 0;
}
.stem-card-play:hover { transform: scale(1.1); }
.stem-card-play:active { transform: scale(0.95); }

.stem-card-track {
    flex: 1;
    min-width: 0;
}

.stem-card-bar {
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    cursor: pointer;
    overflow: hidden;
    transition: height 0.15s ease;
    position: relative;
}
.stem-card-bar:hover { height: 6px; }

.stem-card-fill {
    height: 100%;
    width: 0%;
    background: var(--stem-accent, var(--primary-gradient-start));
    border-radius: 2px;
    transition: width 0.12s linear;
}

.stem-card-times {
    display: flex;
    justify-content: space-between;
    font-size: 0.65em;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
    margin-top: 3px;
    opacity: 0.7;
}

.stem-error {
    padding: 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.92em;
}

.stem-note {
    text-align: center;
    font-size: 0.72em;
    color: var(--text-secondary);
    opacity: 0.6;
    margin-top: 10px;
}

/* ── DJ Mixer ───────────────────────────────────────────── */
.dj-mixer-wrap { padding: 0 !important; }

.dj-decks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
@media (max-width: 640px) { .dj-decks { grid-template-columns: 1fr; } }

.dj-deck {
    background: var(--background-light-alt);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.dj-deck-head {
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    font-size: 0.82em;
    font-weight: 600;
}
.dj-deck-head.dj-a { background: linear-gradient(135deg, #7c3aed, #a855f7); }
.dj-deck-head.dj-b { background: linear-gradient(135deg, #2563eb, #3b82f6); }

.dj-deck-badge {
    width: 22px; height: 22px;
    border-radius: 6px;
    background: rgba(255,255,255,0.25);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 0.85em;
}
.dj-deck-title {
    flex: 1;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    opacity: 0.9;
}

.dj-deck-body { padding: 12px; display: flex; flex-direction: column; gap: 10px; }

/* Waveform canvas */
.dj-wave {
    width: 100%; height: 56px;
    border-radius: 8px;
    background: rgba(0,0,0,0.15);
    cursor: pointer;
    display: block;
    touch-action: none;
}
.dj-wave.scratching { cursor: grabbing !important; }

/* Transport row */
.dj-transport {
    display: flex; align-items: center; gap: 6px;
}
.dj-btn {
    height: 30px; min-width: 42px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--background-light);
    color: var(--text-primary);
    font-size: 0.72em; font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex; align-items: center; justify-content: center;
    padding: 0 8px;
}
.dj-btn:hover { border-color: var(--primary-gradient-start); color: var(--primary-gradient-start); }
.dj-btn:disabled { opacity: 0.35; cursor: default; }

.dj-btn-play {
    width: 34px; height: 34px; min-width: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: #fff; border: none; font-size: 0.8em;
}
.dj-btn-play.active { background: linear-gradient(135deg, #ef4444, #dc2626); }
.dj-btn-play:hover { transform: scale(1.06); }

.dj-btn-load {
    margin-left: auto;
    background: transparent;
    border: 1.5px dashed var(--border-color);
    font-size: 0.68em; letter-spacing: 0.04em;
}
.dj-btn-load:hover { border-style: solid; }

.dj-time {
    font-family: 'SF Mono','Cascadia Code','Consolas',monospace;
    font-size: 0.78em;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    min-width: 38px;
    text-align: right;
}

/* Speed row */
.dj-speed-row {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.72em; color: var(--text-secondary);
}
.dj-speed-row label { min-width: 34px; font-weight: 600; }
.dj-speed-row span  { min-width: 38px; text-align: right; font-family: monospace; font-variant-numeric: tabular-nums; }

/* Slider base */
.dj-slider {
    -webkit-appearance: none; appearance: none;
    flex: 1; height: 4px;
    background: var(--border-color);
    border-radius: 2px; outline: none;
    transition: height 0.15s ease;
}
.dj-slider:hover { height: 6px; }
.dj-slider::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--primary-gradient-start);
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.dj-slider::-moz-range-thumb {
    width: 14px; height: 14px; border-radius: 50%;
    background: var(--primary-gradient-start);
    cursor: pointer; border: 2px solid #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

/* EQ 3-band */
.dj-eq {
    display: flex; justify-content: center; gap: 14px;
    padding: 4px 0;
}
.dj-eq-band {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    font-size: 0.65em; font-weight: 600; color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: 0.05em;
}
.dj-knob {
    -webkit-appearance: slider-vertical; appearance: auto;
    writing-mode: vertical-lr;
    direction: rtl;
    width: 4px; height: 64px;
    cursor: pointer;
    accent-color: var(--primary-gradient-start);
}

/* Volume */
.dj-vol-row {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.72em; color: var(--text-secondary);
}
.dj-vol-row label { font-weight: 600; min-width: 24px; }

/* Crossfader */
.dj-crossfader {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px;
    margin-top: 6px;
}
.dj-cf-label {
    font-weight: 800; font-size: 0.9em; color: var(--text-secondary);
    min-width: 16px; text-align: center;
}
.dj-cf { flex: 1; height: 6px; }
.dj-cf::-webkit-slider-thumb { width: 20px; height: 20px; }
.dj-cf::-moz-range-thumb     { width: 20px; height: 20px; }

/* FX bar */
.dj-fx-bar {
    display: flex; justify-content: center; gap: 8px;
    padding: 8px 12px 14px;
    flex-wrap: wrap;
}
.dj-fx-btn {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1.5px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    font-size: 0.74em; font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}
.dj-fx-btn:hover { border-color: var(--primary-gradient-start); color: var(--primary-gradient-start); }
.dj-fx-btn.active {
    background: var(--primary-gradient-start);
    border-color: var(--primary-gradient-start);
    color: #fff;
}

/* ── Image to Prompt ────────────────────────────────────── */
.i2p-drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 14px;
    padding: 32px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    background: var(--background-light-alt);
    position: relative;
    min-height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.i2p-drop-zone:hover,
.i2p-drop-zone.dragover {
    border-color: var(--primary-gradient-start);
    background: rgba(132, 169, 140, 0.08);
}

.i2p-drop-content {
    color: var(--text-secondary);
}

.i2p-drop-content p {
    margin: 8px 0 4px;
    font-weight: 500;
}

.i2p-drop-content small {
    opacity: 0.6;
}

.i2p-preview {
    max-width: 100%;
    max-height: 260px;
    border-radius: 10px;
    object-fit: contain;
}

.i2p-result-card {
    background: var(--background-light-alt);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.i2p-result-header {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    padding: 14px 18px;
    font-weight: 600;
    font-size: 0.95em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.i2p-result-body {
    padding: 18px;
}

.i2p-prompt-text {
    font-family: Georgia, serif;
    line-height: 1.7;
    color: var(--text-primary);
    font-size: 0.95em;
    white-space: pre-wrap;
    word-break: break-word;
}

.i2p-actions {
    display: flex;
    gap: 8px;
    margin-top: 14px;
}

.i2p-actions button {
    flex: 1;
    padding: 10px;
    border-radius: 8px;
    border: 1.5px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.88em;
    cursor: pointer;
    transition: all 0.2s ease;
}

.i2p-actions button:hover {
    background: var(--background-light-alt);
    border-color: var(--primary-gradient-start);
    color: var(--primary-gradient-start);
}

/* ============================================
   MSN MESSENGER — RETRO CHAT UI
   ============================================ */

.msn-window {
    border: 2px solid #0055cc;
    border-radius: 8px 8px 6px 6px;
    overflow: hidden;
    background: #e8eef7;
    box-shadow: 2px 3px 16px rgba(0, 40, 120, 0.18), 0 0 0 1px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    max-height: 90vh;
}

/* --- Title Bar --- */
.msn-titlebar {
    background: linear-gradient(180deg, #1a6dd5 0%, #1258b3 50%, #0e49a0 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 8px;
    cursor: default;
    user-select: none;
    min-height: 30px;
}

.msn-titlebar-left {
    display: flex;
    align-items: center;
    gap: 6px;
}

.msn-logo {
    font-size: 16px;
    filter: drop-shadow(0 1px 1px rgba(0,0,0,0.3));
}

.msn-title {
    font-size: 12.5px;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    letter-spacing: 0.2px;
}

.msn-titlebar-btns {
    display: flex;
    gap: 2px;
}

.msn-tbtn {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 3px;
    font-size: 11px;
    cursor: pointer;
    transition: background 0.15s;
    color: #fff;
}

.msn-tbtn:hover {
    background: rgba(255,255,255,0.25);
}

.msn-tbtn.msn-close:hover {
    background: #e04343;
}

/* --- Menu Bar --- */
.msn-menubar {
    background: linear-gradient(180deg, #f2f5fb 0%, #dce3f0 100%);
    border-bottom: 1px solid #b0bdd0;
    display: flex;
    gap: 0;
    padding: 2px 4px;
    font-size: 11.5px;
    color: #222;
    user-select: none;
}

.msn-menubar span {
    padding: 2px 8px;
    border-radius: 2px;
    cursor: default;
    transition: background 0.1s;
}

.msn-menubar span:hover {
    background: #c8d4ea;
}

/* --- Buddy Bar --- */
.msn-buddy-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: linear-gradient(180deg, #f5f7fc 0%, #e6ecf7 100%);
    border-bottom: 1px solid #c0cce0;
}

.msn-avatar {
    width: 36px;
    height: 36px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: #fff;
    border: 1.5px solid #a8b8d0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    flex-shrink: 0;
}

.msn-buddy-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.msn-buddy-name {
    font-size: 13px;
    font-weight: 700;
    color: #1a3a6a;
    display: flex;
    align-items: center;
    gap: 5px;
}

.msn-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    background: #999;
}

.msn-status-dot.online {
    background: #3dbd3d;
    box-shadow: 0 0 4px rgba(61,189,61,0.5);
}

.msn-buddy-status {
    font-size: 11px;
    color: #5a6a80;
    font-style: italic;
}

/* --- Chat Area --- */
.msn-chatbox {
    flex: 1;
    min-height: 320px;
    max-height: 500px;
    overflow-y: auto;
    background: #fff;
    padding: 10px 12px;
    border: none;
    font-size: 13.5px;
    line-height: 1.5;
    color: #000;
}

.msn-chatbox::-webkit-scrollbar {
    width: 14px;
}

.msn-chatbox::-webkit-scrollbar-track {
    background: #f0f0f0;
    border-left: 1px solid #d4d4d4;
}

.msn-chatbox::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #c0c8d8 0%, #a0aac0 100%);
    border: 2px solid #f0f0f0;
    border-radius: 6px;
}

.msn-chatbox::-webkit-scrollbar-thumb:hover {
    background: #8890a8;
}

/* System Messages */
.msn-sys-msg {
    text-align: center;
    color: #6a7a90;
    font-size: 11.5px;
    padding: 6px 0;
    margin: 4px 0;
    border-bottom: 1px dashed #d0d8e4;
    font-style: italic;
}

/* Message Row */
.msn-msg-row {
    display: flex;
    gap: 6px;
    margin-bottom: 6px;
    animation: msnFadeIn 0.25s ease-out;
    align-items: flex-start;
}

.msn-msg-row.msn-msg-user {
    flex-direction: row-reverse;
}

.msn-msg-row.msn-msg-bot {
    flex-direction: row;
}

.msn-msg-content {
    flex: 1;
    min-width: 0;
}

.msn-msg-user .msn-msg-content {
    text-align: right;
}

.msn-msg-bot .msn-msg-content {
    text-align: left;
}

@keyframes msnFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.msn-msg-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 2px;
}

.msn-msg-row .msn-avatar {
    width: 28px;
    height: 28px;
    font-size: 15px;
    border-radius: 3px;
    margin-top: 2px;
}

.msn-msg-meta {
    font-size: 11px;
    font-weight: 700;
}

.msn-msg-user .msn-msg-meta {
    color: #0066cc;
}

.msn-msg-bot .msn-msg-meta {
    color: #cc3300;
}

.msn-ts {
    font-weight: 400;
    color: #8899aa;
    font-size: 10px;
    margin-left: 4px;
}

/* Message Bubbles — MSN Style */
.msn-msg-row .user-message,
.msn-msg-row .assistant-message {
    display: block;
    max-width: 100%;
    padding: 4px 6px;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    color: #000;
    text-align: left;
    border: none;
    font-size: 13.5px;
    line-height: 1.5;
    word-wrap: break-word;
    overflow-wrap: break-word;
    animation: none;
}

.msn-msg-row .user-message {
    color: #0055aa;
    text-align: right;
}

.msn-msg-row .assistant-message {
    color: #333;
}

.msn-msg-row .copy-button {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 3px;
    min-width: auto;
    margin-top: 2px;
}

.msn-msg-row .error-message {
    color: #c00;
    background: #fff0f0;
    border: 1px solid #fcc;
    border-radius: 4px;
    padding: 6px 10px;
    margin: 4px 0 4px 30px;
    max-width: fit-content;
    box-shadow: none;
}

/* --- Emoticon / Nudge Bar --- */
.msn-emote-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: linear-gradient(180deg, #f5f7fc 0%, #e6ecf7 100%);
    border-top: 1px solid #c0cce0;
    border-bottom: 1px solid #c0cce0;
    flex-wrap: wrap;
}

.msn-emote-btn {
    background: linear-gradient(180deg, #fff 0%, #e5eaf4 100%);
    border: 1px solid #8aa0c0;
    border-radius: 3px;
    padding: 2px 10px;
    font-size: 11.5px;
    cursor: pointer;
    transition: all 0.15s;
    color: #1a3a6a;
    font-weight: 600;
}

.msn-emote-btn:hover {
    background: linear-gradient(180deg, #d8e4f5 0%, #c0d0e8 100%);
    border-color: #5080b0;
}

.msn-emote-item {
    font-size: 17px;
    cursor: pointer;
    padding: 2px 3px;
    border-radius: 3px;
    transition: all 0.15s;
    line-height: 1;
}

.msn-emote-item:hover {
    background: #d0dae8;
    transform: scale(1.25);
}

/* --- Input Area --- */
.msn-input-area {
    padding: 6px 8px;
    background: #e8eef7;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.msn-input-area textarea {
    width: 100%;
    min-height: 50px;
    max-height: 120px;
    resize: vertical;
    border: 1.5px solid #8aa0c0;
    border-radius: 3px;
    padding: 6px 8px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 13px;
    background: #fff;
    color: #000;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.msn-input-area textarea:focus {
    border-color: #3080d0;
    box-shadow: 0 0 3px rgba(48, 128, 208, 0.3);
}

.msn-input-bottom {
    display: flex;
    align-items: center;
    gap: 5px;
}

.msn-attach-btn {
    font-size: 16px;
    cursor: pointer;
    padding: 3px 5px;
    border-radius: 3px;
    transition: background 0.15s;
}

.msn-attach-btn:hover {
    background: #c0d0e8;
}

.msn-voice-btn {
    background: linear-gradient(180deg, #fff 0%, #e5eaf4 100%);
    border: 1px solid #8aa0c0;
    border-radius: 3px;
    padding: 3px 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s;
}

.msn-voice-btn:hover {
    background: #d8e4f5;
    border-color: #5080b0;
}

.msn-voice-btn.listening {
    background: #ff4444;
    border-color: #cc0000;
    animation: msnPulse 1s ease-in-out infinite;
}

@keyframes msnPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.msn-lang-select {
    background: #fff;
    border: 1px solid #8aa0c0;
    border-radius: 3px;
    padding: 3px 4px;
    font-size: 11px;
    cursor: pointer;
    outline: none;
    color: #333;
    max-width: 85px;
}

.msn-clear-btn {
    background: linear-gradient(180deg, #fff 0%, #e5eaf4 100%);
    border: 1px solid #8aa0c0;
    border-radius: 3px;
    padding: 3px 10px;
    font-size: 11.5px;
    cursor: pointer;
    color: #555;
    transition: all 0.15s;
}

.msn-clear-btn:hover {
    background: #ffe0e0;
    border-color: #cc6666;
    color: #c00;
}

.msn-send-btn {
    background: linear-gradient(180deg, #5da0e8 0%, #2878d0 50%, #1a60b8 100%);
    border: 1px solid #1050a0;
    border-radius: 3px;
    padding: 4px 18px;
    font-size: 12.5px;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    text-shadow: 0 1px 1px rgba(0,0,0,0.25);
    transition: all 0.15s;
    letter-spacing: 0.3px;
}

.msn-send-btn:hover {
    background: linear-gradient(180deg, #70b0f0 0%, #3888e0 50%, #2070c8 100%);
}

.msn-send-btn:active {
    background: linear-gradient(180deg, #1a60b8 0%, #104890 100%);
}

/* --- Status Bar --- */
.msn-statusbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3px 10px;
    background: linear-gradient(180deg, #e6ecf5 0%, #d0d9e8 100%);
    border-top: 1px solid #b0bdd0;
    font-size: 10.5px;
    color: #5a6a80;
    user-select: none;
}

.msn-statusbar-right {
    color: #6a8a4a;
    font-weight: 600;
}

/* --- Nudge Shake Animation --- */
@keyframes msn-nudge-shake {
    0%, 100% { transform: translateX(0) translateY(0); }
    10% { transform: translateX(-6px) translateY(-3px); }
    20% { transform: translateX(5px) translateY(2px); }
    30% { transform: translateX(-5px) translateY(-2px); }
    40% { transform: translateX(4px) translateY(3px); }
    50% { transform: translateX(-3px) translateY(-1px); }
    60% { transform: translateX(3px) translateY(1px); }
    70% { transform: translateX(-2px) translateY(-1px); }
    80% { transform: translateX(2px) translateY(1px); }
    90% { transform: translateX(-1px) translateY(0); }
}

.msn-nudge {
    animation: msn-nudge-shake 0.5s ease-in-out;
}

/* --- Dark Mode Adjustments for MSN --- */
[data-theme="dark"] .msn-window {
    border-color: #2060a0;
    background: #1e2a3e;
}

[data-theme="dark"] .msn-menubar {
    background: linear-gradient(180deg, #263550 0%, #1e2d42 100%);
    border-color: #344a68;
    color: #b0c4de;
}

[data-theme="dark"] .msn-menubar span:hover {
    background: #344a68;
}

[data-theme="dark"] .msn-buddy-bar {
    background: linear-gradient(180deg, #243248 0%, #1c2840 100%);
    border-color: #344a68;
}

[data-theme="dark"] .msn-avatar {
    background: #2a3a50;
    border-color: #405878;
}

[data-theme="dark"] .msn-buddy-name {
    color: #90b8e8;
}

[data-theme="dark"] .msn-buddy-status {
    color: #7090b0;
}

[data-theme="dark"] .msn-chatbox {
    background: #141c28;
    color: #d0d8e0;
}

[data-theme="dark"] .msn-chatbox::-webkit-scrollbar-track {
    background: #1a2438;
    border-color: #283848;
}

[data-theme="dark"] .msn-chatbox::-webkit-scrollbar-thumb {
    background: #3a5070;
    border-color: #1a2438;
}

[data-theme="dark"] .msn-sys-msg {
    color: #5878a0;
    border-color: #2a3a50;
}

[data-theme="dark"] .msn-msg-row .user-message {
    color: #60a0e8;
}

[data-theme="dark"] .msn-msg-row .assistant-message {
    color: #c0ccd8;
}

[data-theme="dark"] .msn-msg-user .msn-msg-meta {
    color: #60a0e8;
}

[data-theme="dark"] .msn-msg-bot .msn-msg-meta {
    color: #e07050;
}

[data-theme="dark"] .msn-ts {
    color: #506880;
}

[data-theme="dark"] .msn-emote-bar {
    background: linear-gradient(180deg, #243248 0%, #1c2840 100%);
    border-color: #344a68;
}

[data-theme="dark"] .msn-emote-btn {
    background: linear-gradient(180deg, #2a3a50 0%, #1e2d42 100%);
    border-color: #405878;
    color: #90b8e8;
}

[data-theme="dark"] .msn-emote-btn:hover {
    background: #344a68;
}

[data-theme="dark"] .msn-emote-item:hover {
    background: #344a68;
}

[data-theme="dark"] .msn-input-area {
    background: #1e2a3e;
}

[data-theme="dark"] .msn-input-area textarea {
    background: #141c28;
    color: #d0d8e0;
    border-color: #405878;
}

[data-theme="dark"] .msn-input-area textarea:focus {
    border-color: #5090d0;
    box-shadow: 0 0 4px rgba(80,144,208,0.3);
}

[data-theme="dark"] .msn-voice-btn,
[data-theme="dark"] .msn-clear-btn {
    background: linear-gradient(180deg, #2a3a50 0%, #1e2d42 100%);
    border-color: #405878;
    color: #90b8e8;
}

[data-theme="dark"] .msn-clear-btn:hover {
    background: #3a2020;
    border-color: #804040;
    color: #ff8080;
}

[data-theme="dark"] .msn-lang-select {
    background: #1e2d42;
    border-color: #405878;
    color: #90b8e8;
}

[data-theme="dark"] .msn-statusbar {
    background: linear-gradient(180deg, #1e2a3e 0%, #182238 100%);
    border-color: #344a68;
    color: #5878a0;
}

[data-theme="dark"] .msn-statusbar-right {
    color: #50a050;
}

/* --- MSN Mobile Responsive --- */
@media (max-width: 768px) {
    .msn-window {
        border-radius: 0;
        border-width: 1px;
        max-height: none;
    }

    .msn-titlebar {
        padding: 4px 6px;
    }

    .msn-title {
        font-size: 11px;
    }

    .msn-menubar {
        font-size: 10px;
        padding: 1px 2px;
    }

    .msn-menubar span {
        padding: 2px 5px;
    }

    .msn-buddy-bar {
        padding: 6px 8px;
        gap: 8px;
    }

    .msn-avatar {
        width: 30px;
        height: 30px;
        font-size: 16px;
    }

    .msn-buddy-name {
        font-size: 12px;
    }

    .msn-chatbox {
        min-height: 200px;
        max-height: 350px;
        padding: 8px;
        font-size: 12.5px;
    }

    .msn-msg-row .msn-avatar {
        width: 22px;
        height: 22px;
        font-size: 12px;
    }

    .msn-emote-bar {
        padding: 3px 6px;
        gap: 3px;
    }

    .msn-emote-btn {
        font-size: 10px;
        padding: 2px 6px;
    }

    .msn-emote-item {
        font-size: 14px;
        padding: 1px 2px;
    }

    .msn-input-area {
        padding: 4px 6px;
    }

    .msn-input-area textarea {
        min-height: 38px;
        font-size: 12px;
    }

    .msn-send-btn {
        padding: 4px 12px;
        font-size: 11.5px;
    }

    .msn-statusbar {
        font-size: 9.5px;
        padding: 2px 6px;
    }
}

/* ── Hey Merlin Orb (Alexa-style wake-word indicator) ────────────────────── */
.merlin-orb {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9999;
    display: none;          /* shown by JS when mode is ON */
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.merlin-orb-body {
    position: relative;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Outer pulsing ring */
.merlin-orb-ring {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 3px solid #667eea;
    animation: merlinRingListening 2.4s ease-in-out infinite;
    pointer-events: none;
}

/* Inner filled circle */
.merlin-orb-inner {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(102,126,234,0.55);
    transition: background 0.4s ease, box-shadow 0.4s ease;
}

/* Label badge */
.merlin-orb-label {
    font-size: 10.5px;
    font-weight: 600;
    color: #fff;
    background: rgba(0,0,0,0.60);
    backdrop-filter: blur(6px);
    border-radius: 12px;
    padding: 3px 10px;
    white-space: nowrap;
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
    pointer-events: none;
}

/* ── State: standby (dimmed — available but not listening) ── */
.merlin-orb[data-state="standby"] .merlin-orb-ring {
    border-color: rgba(102,126,234,0.25);
    animation: none;
    opacity: 0.35;
}
.merlin-orb[data-state="standby"] .merlin-orb-inner {
    background: linear-gradient(135deg, rgba(102,126,234,0.25) 0%, rgba(118,75,162,0.25) 100%);
    box-shadow: none;
    opacity: 0.45;
    transition: background 0.3s, box-shadow 0.3s, opacity 0.3s;
}
.merlin-orb[data-state="standby"]:hover .merlin-orb-inner {
    opacity: 0.8;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 4px 16px rgba(102,126,234,0.45);
}
.merlin-orb[data-state="standby"]:hover .merlin-orb-ring {
    opacity: 0.7;
}

/* ── State: listening (slow blue-purple pulse) ── */
.merlin-orb[data-state="listening"] .merlin-orb-ring {
    border-color: #667eea;
    animation: merlinRingListening 2.4s ease-in-out infinite;
}
.merlin-orb[data-state="listening"] .merlin-orb-inner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 4px 20px rgba(102,126,234,0.55);
}

/* ── State: awake (cyan burst — wake word detected!) ── */
.merlin-orb[data-state="awake"] .merlin-orb-ring {
    border-color: #00d2ff;
    border-width: 4px;
    animation: merlinRingAwake 0.55s ease-out forwards;
    box-shadow: 0 0 28px rgba(0,210,255,0.8);
}
.merlin-orb[data-state="awake"] .merlin-orb-inner {
    background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
    box-shadow: 0 0 40px rgba(0,194,255,0.9), 0 0 80px rgba(0,114,255,0.35);
    animation: merlinCoreAwake 0.45s ease-out;
}

/* ── State: thinking (spinning fuchsia) ── */
.merlin-orb[data-state="thinking"] .merlin-orb-ring {
    border-color: #f093fb;
    border-top-color: transparent;
    border-width: 4px;
    animation: merlinSpin 0.85s linear infinite;
    box-shadow: none;
}
.merlin-orb[data-state="thinking"] .merlin-orb-inner {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    box-shadow: 0 4px 22px rgba(240,147,251,0.6);
}

/* ── State: speaking (green pulse) ── */
.merlin-orb[data-state="speaking"] .merlin-orb-ring {
    border-color: #38ef7d;
    border-width: 3px;
    animation: merlinRingListening 1.1s ease-in-out infinite;
    box-shadow: 0 0 16px rgba(56,239,125,0.5);
}
.merlin-orb[data-state="speaking"] .merlin-orb-inner {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    box-shadow: 0 4px 20px rgba(56,239,125,0.6);
}

/* ── Keyframes ── */
@keyframes merlinRingListening {
    0%, 100% { transform: scale(1);    opacity: 0.75; }
    50%       { transform: scale(1.18); opacity: 1;    }
}

@keyframes merlinRingAwake {
    0%   { transform: scale(1);   opacity: 1; }
    55%  { transform: scale(1.7); opacity: 0.85; }
    100% { transform: scale(1.3); opacity: 1; }
}

@keyframes merlinCoreAwake {
    0%   { transform: scale(1); }
    45%  { transform: scale(1.18); }
    100% { transform: scale(1); }
}

@keyframes merlinSpin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* Mobile — smaller orb */
@media (max-width: 768px) {
    .merlin-orb {
        bottom: 16px;
        right: 16px;
    }
    .merlin-orb-body { width: 52px; height: 52px; }
    .merlin-orb-inner { width: 52px; height: 52px; font-size: 22px; }
    .merlin-orb-label { font-size: 9.5px; }
}

/* ── Hey Merlin — floating mobile FAB ───────────────────────────────────────
   Visible ONLY on mobile (<= 768px). Always accessible regardless of which
   panel is open. Hidden on desktop (the panel button is used there). */
.merlin-mobile-fab {
    display: none; /* shown by media query below */
}

@media (max-width: 768px) {
    .merlin-mobile-fab {
        display: flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        bottom: 22px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 10000;
        width: auto;
        min-width: 140px;
        padding: 13px 22px;
        border-radius: 50px;
        border: none;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: #fff;
        font-size: 17px;
        font-weight: 700;
        letter-spacing: 0.3px;
        box-shadow: 0 4px 20px rgba(102, 126, 234, 0.55);
        cursor: pointer;
        transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
        -webkit-tap-highlight-color: transparent;
        gap: 7px;
    }
    .merlin-mobile-fab:active {
        transform: translateX(-50%) scale(0.95);
    }
    .merlin-mobile-fab.recording {
        background: linear-gradient(135deg, #f5576c 0%, #f093fb 100%);
        box-shadow: 0 4px 22px rgba(245, 87, 108, 0.65);
        animation: merlinFabPulse 1s ease-in-out infinite;
    }
    @keyframes merlinFabPulse {
        0%, 100% { box-shadow: 0 4px 22px rgba(245, 87, 108, 0.65); }
        50%       { box-shadow: 0 4px 32px rgba(245, 87, 108, 0.95); }
    }
    /* Hide the orb on mobile — the FAB serves the same purpose */
    .merlin-orb { display: none !important; }
}