styles.css

/*
 * Podcast Insights UI - Custom Styles
 * 
 * Design: Modern, minimalistic interface with teal color palette
 * Typography: Poppins font family
 * Supports both light and dark themes automatically
 */

/* ============================================================
   FONTS & BASE
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

* {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif !important;
}

/* ============================================================
   CSS VARIABLES - Light & Dark Theme Support
   ============================================================ */
:root {
    /* Primary teal colors */
    --teal-primary: #0091ad;
    --teal-hover: #007a94;
    --teal-light: #e0f7fa;
    --teal-soft: #f0fdfa;
    
    /* Light theme colors */
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --bg-surface: #f8fafc;
    --bg-input: #f8fafc;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* User bubble */
    --user-bubble-bg: #e0f7fa;
    --user-bubble-border: #b2ebf2;
    
    /* Blockquote */
    --quote-bg: #f0fdfa;
    
    /* Example buttons */
    --example-bg: #f8fafc;
    --example-text: #475569;
    
    /* Feedback */
    --feedback-bg: #f8fafc;
    
    /* New button */
    --new-btn-bg: #f0fdfa;
    --new-btn-text: #0d9488;
    --new-btn-border: #99f6e4;
    --new-btn-hover-bg: #ccfbf1;
    --new-btn-hover-border: #5eead4;
}

/* Dark theme overrides */
@media (prefers-color-scheme: dark) {
    :root {
        --teal-primary: #22d3ee;
        --teal-hover: #67e8f9;
        --teal-light: #164e63;
        --teal-soft: #0f3d4c;
        
        --text-primary: #f1f5f9;
        --text-secondary: #94a3b8;
        --text-muted: #64748b;
        --bg-surface: #1e293b;
        --bg-input: #1e293b;
        --border-color: #334155;
        --border-light: #1e293b;
        
        --user-bubble-bg: #164e63;
        --user-bubble-border: #0e7490;
        
        --quote-bg: #0f3d4c;
        
        --example-bg: #1e293b;
        --example-text: #cbd5e1;
        
        --feedback-bg: #1e293b;
        
        --new-btn-bg: #0f3d4c;
        --new-btn-text: #22d3ee;
        --new-btn-border: #0e7490;
        --new-btn-hover-bg: #164e63;
        --new-btn-hover-border: #22d3ee;
    }
}

/* Gradio dark mode class support */
.dark {
    --teal-primary: #22d3ee;
    --teal-hover: #67e8f9;
    --teal-light: #164e63;
    --teal-soft: #0f3d4c;
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --bg-surface: #1e293b;
    --bg-input: #1e293b;
    --border-color: #334155;
    --border-light: #1e293b;
    
    --user-bubble-bg: #164e63;
    --user-bubble-border: #0e7490;
    
    --quote-bg: #0f3d4c;
    
    --example-bg: #1e293b;
    --example-text: #cbd5e1;
    
    --feedback-bg: #1e293b;
    
    --new-btn-bg: #0f3d4c;
    --new-btn-text: #22d3ee;
    --new-btn-border: #0e7490;
    --new-btn-hover-bg: #164e63;
    --new-btn-hover-border: #22d3ee;
}

/* ============================================================
   LAYOUT & CONTAINER
   ============================================================ */
.gradio-container {
    max-width: 900px !important;
    margin: auto !important;
    padding: 8px !important;
}

.gradio-container .wrap {
    gap: 2px !important;
}

.column {
    gap: 4px !important;
}

.block {
    margin: 0 !important;
}

.block.padded {
    padding: 0 !important;
}

.gr-group, .gradio-group {
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
    gap: 2px !important;
}

/* Hide Gradio default footer */
footer.svelte-zxu34v {
    display: none !important;
}

/* ============================================================
   COLOR THEME - Override Gradio orange with teal
   ============================================================ */
.orange, [class*="orange"], [style*="orange"] {
    background: var(--teal-primary) !important;
    border-color: var(--teal-primary) !important;
}

[style*="rgb(249"] {
    border-color: var(--teal-primary) !important;
}

.progress-bar, .progress-level {
    background: var(--teal-primary) !important;
}

*:focus {
    outline-color: var(--teal-primary) !important;
}

/* ============================================================
   HEADER
   ============================================================ */
.header-section {
    margin-bottom: 6px !important;
    text-align: center !important;
}

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

.header-section h1,
.header-content h1 {
    font-weight: 700 !important;
    font-size: 1.6rem !important;
    margin-bottom: 2px !important;
    color: var(--teal-primary) !important;
}

.header-section p,
.header-content p {
    color: var(--text-secondary) !important;
    font-size: 0.85rem !important;
    margin: 0 !important;
}

/* ============================================================
   CHAT CONTAINER
   ============================================================ */
#chatbot {
    border-radius: 12px !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 2px 8px rgba(0,145,173,0.06) !important;
    min-height: 240px !important;
}

.placeholder-content {
    height: 190px !important;
}

/* Chat message text size - match input textarea */
#chatbot .message,
#chatbot .message-content,
#chatbot .bot,
#chatbot .user,
#chatbot .md,
#chatbot p,
#chatbot li,
#chatbot blockquote,
#chatbot blockquote p {
    font-size: 0.8rem !important;
    line-height: 1.5 !important;
}

/* User message bubbles */
#chatbot .user.message,
.svelte-1nr59td.user {
    background: var(--user-bubble-bg) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--user-bubble-border) !important;
}

/* Links in chat */
#chatbot a {
    color: var(--teal-primary) !important;
    font-weight: 600 !important;
    text-decoration: underline !important;
    text-underline-offset: 2px !important;
}

#chatbot a:hover {
    color: var(--teal-hover) !important;
}

/* Blockquotes in chat */
#chatbot blockquote {
    border-left: 3px solid var(--teal-primary) !important;
    background: var(--quote-bg) !important;
    padding: 10px 14px !important;
    margin: 8px 0 !important;
    border-radius: 0 8px 8px 0 !important;
    font-style: normal !important;
}

/* ============================================================
   INPUT AREA
   ============================================================ */
.input-row {
    margin-top: 4px !important;
    gap: 8px !important;
    align-items: center !important;
}

.input-row .block {
    border: none !important;
    box-shadow: none !important;
}

.input-row label.show_textbox_border {
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
}

.input-row input,
.input-row textarea {
    border-radius: 10px !important;
    border: 1px solid var(--border-color) !important;
    padding: 12px 16px !important;
    font-size: 0.85rem !important;
    min-height: 44px !important;
    background: var(--bg-input) !important;
    max-width: 700px !important;
    color: var(--text-primary) !important;
}

.input-row input:focus,
.input-row textarea:focus {
    border-color: var(--teal-primary) !important;
    box-shadow: none !important;
}

.input-row input::placeholder,
.input-row textarea::placeholder {
    color: var(--text-muted) !important;
}

/* ============================================================
   BUTTONS - Send & New
   ============================================================ */
.buttons-col {
    display: flex !important;
    flex-direction: column !important;
    gap: 4px !important;
    min-width: 110px !important;
    justify-content: center !important;
    align-self: center !important;
}

.buttons-col button {
    width: 100% !important;
    min-width: 110px !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    padding: 6px 16px !important;
    font-size: 0.75rem !important;
    height: 34px !important;
}

/* Primary button (Send) */
button.primary {
    background: linear-gradient(135deg, #0091ad 0%, #00a8c6 100%) !important;
    border: none !important;
    border-radius: 10px !important;
    font-weight: 600 !important;
    color: white !important;
}

button.primary:hover {
    background: linear-gradient(135deg, #007a94 0%, #0091ad 100%) !important;
}

/* Dark mode primary button - brighter */
@media (prefers-color-scheme: dark) {
    button.primary {
        background: linear-gradient(135deg, #0891b2 0%, #22d3ee 100%) !important;
    }
    
    button.primary:hover {
        background: linear-gradient(135deg, #0e7490 0%, #06b6d4 100%) !important;
    }
}

.dark button.primary {
    background: linear-gradient(135deg, #0891b2 0%, #22d3ee 100%) !important;
}

.dark button.primary:hover {
    background: linear-gradient(135deg, #0e7490 0%, #06b6d4 100%) !important;
}

/* New button */
.new-btn {
    gap: 0 !important;
}

.new-btn button {
    background: var(--new-btn-bg) !important;
    color: var(--new-btn-text) !important;
    border: 1px solid var(--new-btn-border) !important;
    height: 30px !important;
    font-size: 0.7rem !important;
}

.new-btn button:hover {
    background: var(--new-btn-hover-bg) !important;
    border-color: var(--new-btn-hover-border) !important;
}

/* ============================================================
   MESSAGE COUNTER & STATUS
   ============================================================ */
.message-counter {
    text-align: center !important;
    margin: 4px 0 !important;
    padding: 0 !important;
}

.message-counter p {
    display: inline-block !important;
    background: transparent !important;
    color: var(--text-muted) !important;
    font-size: 0.7rem !important;
    font-weight: 500 !important;
    padding: 2px 0 !important;
    margin: 0 !important;
}

.limit-msg {
    text-align: center !important;
    margin: 4px 0 !important;
}

.limit-msg p {
    color: var(--text-secondary) !important;
    font-size: 0.75rem !important;
    font-weight: 500 !important;
    margin: 0 !important;
}

.frozen-message {
    text-align: center !important;
    padding: 6px !important;
    margin-top: 4px !important;
}

.frozen-message p {
    color: var(--teal-primary) !important;
    font-size: 0.8rem !important;
    font-weight: 500 !important;
    margin: 0 !important;
}

/* ============================================================
   EXAMPLE BUTTONS
   ============================================================ */
.examples-section {
    margin-top: 8px !important;
    padding: 0 !important;
    gap: 8px !important;
    align-items: stretch !important;
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
}

.examples-section > .block {
    flex: 0 0 auto !important;
    min-width: 0 !important;
    width: auto !important;
}

.examples-section > .block:first-child {
    flex: 0 0 auto !important;
    max-width: fit-content !important;
    align-self: center !important;
}

.examples-section p {
    font-size: 0.7rem !important;
    color: var(--text-muted) !important;
    font-weight: 500 !important;
    margin: 0 !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
}

.example-btn {
    font-size: 0.68rem !important;
    font-weight: 500 !important;
    background: var(--example-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    padding: 8px 12px !important;
    color: var(--example-text) !important;
    transition: all 0.15s ease !important;
    white-space: normal !important;
    text-align: center !important;
    line-height: 1.3 !important;
    flex: 1 1 0 !important;
    min-width: 0 !important;
    height: auto !important;
    min-height: 50px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.example-btn:hover {
    background: var(--teal-soft) !important;
    border-color: var(--teal-primary) !important;
    color: var(--teal-primary) !important;
}

/* ============================================================
   FEEDBACK SECTION
   ============================================================ */
.feedback-section {
    margin-top: 8px !important;
    padding: 8px 12px !important;
    background: var(--feedback-bg) !important;
    border-radius: 8px !important;
    border: 1px solid var(--border-color) !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
}

.feedback-section p {
    font-size: 0.75rem !important;
    font-weight: 500 !important;
    color: var(--text-secondary) !important;
    margin: 0 !important;
    white-space: nowrap !important;
}

.feedback-section button {
    font-size: 0.7rem !important;
    font-weight: 500 !important;
    padding: 4px 12px !important;
    border-radius: 5px !important;
    background: var(--bg-surface) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

.feedback-section button:hover {
    background: var(--teal-soft) !important;
    border-color: var(--teal-primary) !important;
}

.feedback-input {
    margin-top: 6px !important;
}

.feedback-input textarea {
    border-radius: 6px !important;
    font-size: 0.8rem !important;
    border: 1px solid var(--border-color) !important;
    background: var(--bg-input) !important;
    color: var(--text-primary) !important;
}

/* ============================================================
   LOADING ANIMATION
   ============================================================ */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

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

.loading-msg,
.loading-msg * {
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
}

.loading-msg {
    text-align: center !important;
    padding: 12px 20px !important;
    background: linear-gradient(90deg, var(--teal-soft) 0%, var(--teal-light) 25%, var(--teal-soft) 50%, var(--teal-light) 75%, var(--teal-soft) 100%) !important;
    background-size: 200% 100% !important;
    animation: shimmer 2s ease-in-out infinite, fadeInOut 2s ease-in-out infinite !important;
    border-radius: 10px !important;
}

.loading-msg p {
    color: var(--teal-primary) !important;
    font-size: 0.75rem !important;
    font-weight: 500 !important;
    margin: 0 !important;
}

.block.loading-msg {
    border-width: 0 !important;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    text-align: center !important;
    margin-top: 12px !important;
    padding: 8px !important;
}

.footer p {
    color: var(--text-muted) !important;
    font-size: 0.65rem !important;
    font-weight: 400 !important;
    margin: 0 !important;
}

/* ============================================================
   MOBILE RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    /* Container padding for mobile */
    .gradio-container {
        padding: 12px !important;
    }
    
    /* Input textarea - smaller placeholder text, full width */
    .input-row input,
    .input-row textarea {
        font-size: 0.8rem !important;
        padding: 10px 12px !important;
        max-width: 100% !important;
    }
    
    /* Feedback section - wrap on mobile */
    .feedback-section {
        flex-wrap: wrap !important;
        justify-content: center !important;
        padding: 10px !important;
        gap: 8px !important;
    }
    
    .feedback-section p {
        flex: 0 0 100% !important;
        text-align: center !important;
        margin-bottom: 4px !important;
    }
    
    .feedback-section button {
        flex: 1 !important;
        min-width: 80px !important;
    }
    
    /* Example buttons - stack on mobile */
    .examples-section {
        flex-wrap: wrap !important;
        justify-content: center !important;
    }
    
    .examples-section > .block:first-child {
        flex: 0 0 100% !important;
        text-align: center !important;
    }
    
    .example-btn {
        flex: 1 1 100% !important;
        min-width: 100% !important;
        max-width: 100% !important;
    }
    
    /* Header smaller on mobile */
    .header-section h1,
    .header-content h1 {
        font-size: 1.3rem !important;
    }
    
    .header-section p,
    .header-content p {
        font-size: 0.75rem !important;
    }
    
    /* Buttons column - narrower on mobile */
    .buttons-col {
        min-width: 90px !important;
    }
    
    .buttons-col button {
        min-width: 90px !important;
        font-size: 0.7rem !important;
        padding: 6px 10px !important;
    }
}