@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&display=swap');

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

:root {
    /* Light cream + soft green theme (default) */
    --bg-primary: #f5f1eb;
    --bg-secondary: #e8efe6;
    --bg-tertiary: #dce8df;
    --text-primary: #2c2620;
    --text-secondary: #5c5349;
    --text-muted: #6b7a66;
    --accent: #5a7d64;
    --accent-hover: #4a6b54;
    --border: #c5d4c9;
    --border-light: #d4e0d6;
    --message-user-bg: #c8ddce;
    --message-assistant-bg: #dce8df;
    --input-bg: #f4f9f5;
    --input-wrapper-bg: #e6f0e9;
    --hover-bg: #d4e2d8;
    --card-bg: #dce6df;
    --success: #4a7c59;
    --warning: #b8860b;
    --shadow: rgba(44, 38, 32, 0.08);
    --nav-header-bg: rgba(245, 241, 235, 0.92);
    --nav-header-border: rgba(90, 125, 100, 0.15);
    --nav-sidebar-bg: rgba(245, 241, 235, 0.98);
    --nav-sidebar-border: rgba(90, 125, 100, 0.12);
    --logo-color: #3d3630;
}

/* Smooth theme transition */
html { transition: background-color 0.3s ease, color 0.3s ease; }
body { transition: background-color 0.3s ease, color 0.3s ease; }

/* Dark theme */
[data-theme="dark"] {
    --bg-primary: #0f1117;
    --bg-secondary: #161822;
    --bg-tertiary: #1c1f2e;
    --text-primary: #e4e4e8;
    --text-secondary: #9a9ba4;
    --text-muted: #5c5e6a;
    --accent: #5a7d64;
    --accent-hover: #6e9a7a;
    --border: rgba(90, 125, 100, 0.2);
    --border-light: rgba(90, 125, 100, 0.1);
    --message-user-bg: rgba(90, 125, 100, 0.18);
    --message-assistant-bg: rgba(255, 255, 255, 0.04);
    --input-bg: #161822;
    --input-wrapper-bg: #1a1d2a;
    --hover-bg: rgba(90, 125, 100, 0.1);
    --card-bg: rgba(255, 255, 255, 0.04);
    --success: #5a9a6a;
    --warning: #d4a843;
    --shadow: rgba(0, 0, 0, 0.25);
    --nav-header-bg: rgba(15, 17, 23, 0.92);
    --nav-header-border: rgba(90, 125, 100, 0.12);
    --nav-sidebar-bg: rgba(15, 17, 23, 0.98);
    --nav-sidebar-border: rgba(90, 125, 100, 0.1);
    --logo-color: #e4e4e8;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    height: 100dvh; /* Dynamic viewport height for mobile */
    overflow: hidden;
    font-weight: 400;
    letter-spacing: -0.011em;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app-container {
    display: flex;
    height: 100vh;
    height: 100dvh; /* Dynamic viewport height for mobile */
    width: 100%;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    padding: 16px;
    flex-shrink: 0;
}

.sidebar-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}

.sidebar-header h1 {
    font-family: 'Libre Baskerville', Georgia, serif;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: 0.02em;
    color: var(--text-primary);
}

.subtitle {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.mode-badge {
    margin-top: 8px;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    display: inline-block;
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.mode-nav {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}

.mode-nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    margin-bottom: 4px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    border-radius: 6px;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.mode-nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border);
}

.mode-nav-item.active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.1);
    font-weight: 500;
}

.mode-nav-item span {
    font-size: 16px;
    opacity: 0.8;
}

.home-btn {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
    transition: all 0.2s ease;
    text-decoration: none;
    box-sizing: border-box;
}

.home-btn:hover {
    background: var(--hover-bg);
    border-color: var(--text-secondary);
    transform: translateY(-1px);
    color: var(--text-primary);
}

.home-btn span {
    font-size: 18px;
}

.new-chat-btn {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
    transition: all 0.2s ease;
}

.new-chat-btn:hover {
    background: var(--hover-bg);
    border-color: var(--text-secondary);
    transform: translateY(-1px);
}

.new-chat-btn span {
    font-size: 20px;
    font-weight: 300;
}

.chat-history {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 16px;
    padding-right: 4px;
}

.chat-history-item {
    padding: 10px 12px;
    border-radius: 6px;
    margin-bottom: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 13px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    border: 1px solid transparent;
}

.chat-history-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border);
}

.sidebar-footer {
    border-top: 1px solid var(--border-light);
    padding-top: 16px;
}

.stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.stat-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.chat-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0 20px;
    padding-top: env(safe-area-inset-top, 0px);
    display: flex;
    flex-direction: column;
    scroll-behavior: smooth;
    box-sizing: border-box;
}

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

.chat-container::-webkit-scrollbar-track {
    background: transparent;
}

.chat-container::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.chat-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.welcome-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100%;
    padding: 60px 40px;
}

.welcome-content {
    text-align: center;
    max-width: 700px;
    width: 100%;
}

.welcome-content h2 {
    font-size: 42px;
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.2;
    color: var(--text-primary);
}

.welcome-content > p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    font-weight: 400;
    line-height: 1.6;
}

#modeDescription {
    background: var(--card-bg) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-primary) !important;
}

.features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 40px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--card-bg);
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: all 0.2s ease;
    text-align: left;
}

.feature:hover {
    border-color: var(--text-secondary);
    background: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.feature-icon {
    font-size: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(44, 38, 32, 0.08);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-weight: 500;
    letter-spacing: 0.05em;
}

.feature span:not(.feature-icon) {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.example-questions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.example-questions p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.example-btn {
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    transition: all 0.2s ease;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
}

.example-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-secondary);
    transform: translateX(4px);
}

/* Messages */
.message {
    display: flex;
    gap: 12px;
    padding: 16px 0;
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
    animation: fadeInUp 0.4s ease;
    align-items: flex-end;
}

.message:last-child {
    padding-bottom: 24px;
}

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

.message.user {
    flex-direction: row-reverse;
}

.message.user .message-content {
    flex: 0 1 auto;
    background: var(--message-user-bg);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: 16px 16px 4px 16px;
    max-width: 75%;
    margin-left: auto;
    margin-right: 0;
    border: 1px solid var(--border);
}

.message.assistant {
    background: transparent;
}

.message.assistant .message-content {
    flex: 0 1 auto;
    padding: 12px 16px;
    border-radius: 16px 16px 16px 4px;
    background: var(--message-assistant-bg);
    color: var(--text-primary);
    border: 1px solid var(--border);
    max-width: 85%;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    overflow: hidden;
}

.message-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.message.user .message-avatar {
    background: var(--bg-tertiary);
}

.message.assistant .message-avatar {
    background: transparent;
    padding: 0;
}

.message-content {
    flex: 1;
    min-width: 0;
    line-height: 1.7;
    font-size: 15px;
    word-wrap: break-word;
}

.message-content p {
    margin: 0 0 12px 0;
    line-height: 1.7;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content strong {
    font-weight: 600;
}

.message-content em {
    font-style: italic;
}

.message-content code {
    font-family: var(--font-mono, ui-monospace, monospace);
    font-size: 0.9em;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--bg-secondary, rgba(0,0,0,0.06));
}

.message-metadata {
    display: flex;
    gap: 16px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
    font-size: 12px;
    color: var(--text-muted);
}

.metadata-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.metadata-item strong {
    color: var(--text-secondary);
    font-weight: 600;
}

.perspectives {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.perspectives-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.perspective-tag {
    display: inline-block;
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 11px;
    margin-right: 8px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    color: var(--text-secondary);
}

.biases {
    margin-top: 16px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-left: 3px solid var(--warning);
    border-radius: 8px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    border-right: 1px solid var(--border);
}

.biases-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--warning);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bias-item {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    line-height: 1.5;
}

.bias-item:last-child {
    margin-bottom: 0;
}

/* Input Area */
.input-container {
    padding: 14px 24px;
    padding-bottom: calc(14px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--border-light);
    background: var(--bg-primary);
    position: sticky;
    bottom: 0;
    z-index: 10;
}

.chat-form {
    max-width: 768px;
    margin: 0 auto;
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    background: var(--input-wrapper-bg);
    border: 1.5px solid var(--border);
    border-radius: 12px;
    padding: 8px 12px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px var(--shadow);
}
/* Guarantee order: message input, then Scribe (upload/voice/video → transcript), then Send */
.message-input { order: 1; min-width: 0; }
.scribe-btn { order: 2; }
.send-btn { order: 3; }

.input-wrapper:focus-within {
    border-color: var(--text-secondary);
    box-shadow: 0 4px 16px var(--shadow);
    background: var(--bg-tertiary);
}

.message-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 15px;
    resize: none;
    max-height: 200px;
    overflow-y: auto;
    font-family: inherit;
    line-height: 1.4;
    padding: 4px 0;
    margin: 0;
}

.message-input::placeholder {
    color: var(--text-muted);
}

.message-input:focus {
    outline: none;
}

.send-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: none;
    background: var(--accent);
    color: #f8faf8;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
    padding: 0;
}

.send-btn:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: scale(1.05);
}

.send-btn:active:not(:disabled) {
    transform: scale(0.95);
}

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

.send-btn svg {
    width: 18px;
    height: 18px;
}

/* Scribe button: session context for legal, customer service, clinical */
.scribe-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}
.scribe-btn.scribe-hidden {
    display: none !important;
}
.scribe-btn.scribe-visible {
    display: inline-flex !important;
}
.scribe-btn:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
    border-color: var(--text-muted);
}
.scribe-btn svg {
    width: 18px;
    height: 18px;
}

.scribe-context-badge {
    font-size: 12px;
    color: var(--warning);
    margin-right: 8px;
}

/* Scribe modal */
.scribe-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    backdrop-filter: blur(4px);
}
.scribe-modal {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(90vw, 480px);
    max-height: 85vh;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    z-index: 1001;
    box-shadow: 0 20px 40px var(--shadow);
}
.scribe-modal h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.scribe-modal-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
}
.scribe-modal-desc code {
    font-size: 12px;
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
}
.scribe-modal label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.scribe-input {
    width: 100%;
    margin-bottom: 16px;
    padding: 12px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
}
.scribe-input::placeholder {
    color: var(--text-muted);
}
.scribe-follow-ups {
    margin-top: 8px;
    padding: 10px 12px;
    background: var(--bg-accent, #f0f7f0);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-secondary, #555);
    line-height: 1.5;
}
.scribe-follow-ups strong {
    display: block;
    margin-bottom: 4px;
    color: var(--text-primary, #333);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.scribe-follow-ups ul {
    margin: 0;
    padding-left: 18px;
    list-style: disc;
}
.scribe-follow-ups li {
    margin-bottom: 2px;
}
.scribe-modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 8px;
}
.scribe-modal-btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}
.scribe-modal-btn.secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}
.scribe-modal-btn.secondary:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
.scribe-modal-btn.primary {
    background: var(--text-primary);
    border: none;
    color: var(--bg-primary);
}
.scribe-modal-btn.primary:hover {
    background: var(--accent-hover);
}

.scribe-record-row {
    margin-bottom: 16px;
}
.scribe-record-row label {
    margin-bottom: 8px;
}
.scribe-record-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.scribe-record-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.scribe-record-btn:hover {
    background: var(--hover-bg);
    border-color: var(--text-muted);
}
.scribe-record-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.scribe-record-btn.recording {
    background: rgba(200, 60, 60, 0.2);
    border-color: #c0392b;
    color: #ff6b6b;
}
.scribe-record-icon {
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: currentColor;
    clip-path: ellipse(40% 40% at 50% 50%);
}
.scribe-record-btn .scribe-record-icon {
    background: currentColor;
    clip-path: polygon(30% 0%, 70% 0%, 70% 50%, 100% 50%, 100% 70%, 70% 70%, 70% 100%, 30% 100%, 30% 70%, 0% 70%, 0% 50%, 30% 50%);
}
.scribe-record-btn.recording .scribe-record-icon {
    border-radius: 50%;
    clip-path: none;
    animation: scribe-pulse 1s ease-in-out infinite;
}
@keyframes scribe-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}
.scribe-record-status {
    font-size: 12px;
    color: var(--text-secondary);
}
.scribe-record-status.error {
    color: var(--warning);
}

.scribe-upload-row {
    margin-bottom: 16px;
}
.scribe-upload-row label {
    margin-bottom: 8px;
}
.scribe-upload-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.scribe-upload-input {
    position: absolute;
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    z-index: -1;
}
.scribe-upload-btn {
    margin: 0;
}

.input-footer {
    margin-top: 6px;
    text-align: center;
}

.disclaimer {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

/* C. icon in Cami font (Libre Baskerville) */
.typing-icon-c,
.message-avatar-cami .typing-icon-c {
    font-family: 'Libre Baskerville', Georgia, serif;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.02em;
    color: var(--text-primary);
}

.message-avatar-cami {
    background: var(--card-bg) !important;
    font-size: 18px;
}

.message-avatar-cami .typing-icon-c {
    font-size: 18px;
}

/* Loading indicator */
.typing-indicator {
    display: flex;
    gap: 6px;
    padding: 8px 0;
    align-items: center;
}

.typing-indicator .typing-icon-c {
    animation: typing 1.4s ease-in-out infinite;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
    animation: typing 1.4s infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

.typing-web-note {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Mobile header (hidden on desktop) */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 56px;
    padding: 0 16px;
    padding-top: env(safe-area-inset-top, 0);
    align-items: center;
    gap: 12px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
}

.mobile-menu-btn {
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: transform 0.2s, opacity 0.2s;
}

body.sidebar-open .mobile-menu-btn span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
body.sidebar-open .mobile-menu-btn span:nth-child(2) {
    opacity: 0;
}
body.sidebar-open .mobile-menu-btn span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-header-title {
    font-family: 'Libre Baskerville', Georgia, serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--logo-color);
    letter-spacing: 0.02em;
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 150;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        height: 100dvh;
        overflow: hidden;
    }

    .mobile-header {
        display: flex;
    }

    .sidebar-backdrop {
        display: block;
    }

    .app-container {
        height: 100dvh;
        padding-top: 56px;
        padding-top: calc(56px + env(safe-area-inset-top, 0));
    }

    .main-content {
        padding-top: 0;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 160;
        width: 280px;
        max-width: 85vw;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        box-shadow: 4px 0 24px var(--shadow);
    }

    body.sidebar-open .sidebar {
        transform: translateX(0);
    }

    body.sidebar-open .sidebar-backdrop {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    body.sidebar-open {
        overflow: hidden;
    }

    .chat-container {
        padding: 12px 16px;
        padding-top: max(env(safe-area-inset-top, 0px), 12px);
    }

    .welcome-screen {
        padding: 20px 16px;
        align-items: flex-start;
    }

    .welcome-content {
        padding: 0;
    }

    .welcome-content h2 {
        font-size: 26px;
    }

    .welcome-content p {
        font-size: 14px;
    }

    .input-container {
        padding: 10px 12px;
        padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
    }

    .input-wrapper {
        padding: 6px 10px;
        gap: 8px;
    }

    /* Scribe on mobile: touch-friendly when visible */
    .scribe-btn:not(.scribe-hidden) {
        min-width: 44px;
        min-height: 44px;
        padding: 10px 12px;
        justify-content: center;
    }
    .scribe-btn span:not(.scribe-record-icon) {
        display: inline; /* keep "Scribe" label on mobile for clarity */
    }

    /* Scribe modal: full-bleed on mobile, safe areas, scrollable */
    .scribe-modal {
        width: 100%;
        max-width: none;
        left: 0;
        right: 0;
        top: auto;
        bottom: 0;
        transform: none;
        max-height: 90vh;
        max-height: 90dvh;
        border-radius: 16px 16px 0 0;
        padding: 24px;
        padding-left: max(24px, env(safe-area-inset-left));
        padding-right: max(24px, env(safe-area-inset-right));
        padding-bottom: max(24px, env(safe-area-inset-bottom));
    }
    .scribe-modal h2 {
        font-size: 17px;
    }
    .scribe-modal-desc {
        font-size: 12px;
    }
    .scribe-record-btn,
    .scribe-modal-btn {
        min-height: 44px;
        padding: 12px 20px;
    }
    .scribe-upload-btn {
        min-height: 44px;
    }
    .scribe-input {
        min-height: 80px;
        font-size: 16px; /* avoid iOS zoom on focus */
    }

    .message-input {
        font-size: 16px; /* avoids zoom on focus in iOS */
    }

    .send-btn {
        width: 44px;
        height: 44px;
        min-width: 44px;
        min-height: 44px;
    }

    .message {
        max-width: 100%;
        padding: 12px 0;
    }

    .message-content {
        font-size: 15px;
    }

    .message.user .message-content,
    .message.assistant .message-content {
        max-width: 92%;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .feature {
        padding: 10px 12px;
        font-size: 13px;
    }

    .example-btn {
        padding: 12px 14px;
        font-size: 14px;
    }

    .input-footer .disclaimer {
        font-size: 11px;
    }
}

/* ========== Nav header (white space theme) ========== */
.nav-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--nav-header-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--nav-header-border);
}

/* ========== Nav logo: "Cami" text in Libre Baskerville ========== */
.logo-text {
    font-family: 'Libre Baskerville', Georgia, serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--logo-color);
    text-decoration: none;
    letter-spacing: 0.02em;
}
.nav-logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}
.nav-logo:hover .logo-text { color: var(--accent); }
.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}
.nav-sidebar .nav-sidebar-logo .logo-text { font-size: 1.2rem; }
.cami-hero-logo { font-size: 2.5rem; display: block; margin-bottom: 8px; }
.nav-sidebar .nav-sidebar-logo img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

/* ========== Hamburger nav + slide-out sidebar (all pages) ========== */
.nav-header .nav-links,
.dash-nav .nav-links { display: none !important; }
.nav-hamburger {
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    width: 44px; height: 44px; padding: 0; border: none; background: transparent;
    cursor: pointer; gap: 5px; color: var(--text-primary);
}
.dash-nav .nav-hamburger { color: var(--dash-text); }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: currentColor; border-radius: 1px; transition: opacity 0.2s; }
.nav-hamburger:hover span { opacity: 0.85; }
.nav-sidebar {
    position: fixed; top: 0; right: 0; bottom: 0; width: 280px; max-width: 85vw;
    background: var(--nav-sidebar-bg); backdrop-filter: blur(20px);
    border-left: 1px solid var(--nav-sidebar-border);
    z-index: 201; padding: 24px 0; overflow-y: auto;
    transform: translateX(100%); transition: transform 0.25s ease;
    box-shadow: -4px 0 24px rgba(0,0,0,0.3);
    display: flex; flex-direction: column;
}
.nav-sidebar .nav-sidebar-links { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; -webkit-overflow-scrolling: touch; }
.nav-sidebar-backdrop {
    position: fixed; inset: 0; z-index: 200; background: rgba(26, 29, 46, 0.35);
    opacity: 0; visibility: hidden; transition: opacity 0.25s ease, visibility 0.25s;
    cursor: pointer;
}
body.nav-sidebar-open .nav-sidebar { transform: translateX(0); }
body.nav-sidebar-open .nav-sidebar-backdrop { opacity: 1; visibility: visible; pointer-events: auto; }
body.nav-sidebar-open { overflow: hidden; }
.nav-sidebar .nav-sidebar-logo { padding: 0 24px 20px; border-bottom: 1px solid var(--nav-sidebar-border); margin-bottom: 20px; }
.nav-sidebar-links { display: flex; flex-direction: column; gap: 0; padding: 0 16px 24px 16px; }
.nav-sidebar-links a { display: block; padding: 12px 12px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-secondary); text-decoration: none; border-radius: 6px; transition: color 0.2s, background 0.2s; }
.nav-sidebar-links a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.nav-sidebar-group { border-bottom: 1px solid var(--nav-sidebar-border); margin-top: 18px; }
.nav-sidebar-group:first-child { margin-top: 0; }
.nav-sidebar-group:last-child { border-bottom: none; }
.nav-sidebar-section-toggle { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 12px 12px; margin: 0; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-primary); background: none; border: none; border-left: 2px solid var(--accent); margin-left: 4px; padding-left: 10px; cursor: pointer; text-align: left; font-family: inherit; transition: background 0.2s, color 0.2s; border-radius: 6px; }
.nav-sidebar-section-toggle:hover { background: rgba(255,255,255,0.06); color: var(--text-primary); }
.nav-sidebar-section-toggle .nav-sidebar-chevron { display: inline-block; transition: transform 0.2s ease; font-size: 10px; opacity: 0.8; margin-left: 8px; }
.nav-sidebar-group.collapsed .nav-sidebar-chevron { transform: rotate(-90deg); }
.nav-sidebar-group-inner { overflow-x: hidden; overflow-y: auto; -webkit-overflow-scrolling: touch; transition: max-height 0.25s ease-out; max-height: min(520px, 75vh); }
.nav-sidebar-group.collapsed .nav-sidebar-group-inner { overflow: hidden; max-height: 0; transition: max-height 0.2s ease-in; }
.nav-sidebar-links .nav-sidebar-label { display: block; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-muted); margin-top: 14px; margin-bottom: 6px; padding: 0 12px; pointer-events: none; }
.nav-sidebar-links .nav-sidebar-group-inner .nav-sidebar-label:first-child { margin-top: 8px; }
.nav-sidebar-links .nav-sidebar-tbd { display: block; font-size: 11px; color: var(--text-muted); font-style: italic; padding: 8px 12px; pointer-events: none; }
.nav-sidebar-links .nav-link.github { display: flex; align-items: center; gap: 8px; }
.nav-sidebar-links .nav-link.github svg { width: 18px; height: 18px; fill: currentColor; }
.nav-sidebar-github { display: block; padding: 12px 12px; margin-top: 12px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); text-decoration: none; border-radius: 6px; transition: color 0.2s, background 0.2s; border-top: 1px solid var(--nav-sidebar-border); padding-top: 16px; }
.nav-sidebar-github:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.nav-links .nav-sep { color: var(--text-muted); font-weight: 300; padding: 0 6px; pointer-events: none; user-select: none; }
/* Dashboard light sidebar */
.nav-sidebar.dash-sidebar { background: var(--dash-card); border-right-color: var(--dash-border); box-shadow: 4px 0 24px rgba(0,0,0,0.08); }
.nav-sidebar.dash-sidebar .nav-sidebar-logo { border-bottom-color: var(--dash-border); }
.nav-sidebar.dash-sidebar .nav-sidebar-links a { color: var(--dash-muted); }
.nav-sidebar.dash-sidebar .nav-sidebar-links a:hover { color: var(--dash-accent); background: rgba(0,0,0,0.04); }
.nav-sidebar-dash-extra { margin-top: auto; padding: 20px 16px 0; border-top: 1px solid var(--nav-sidebar-border); }
.nav-sidebar.dash-sidebar .nav-sidebar-dash-extra { border-top-color: var(--dash-border); }
.nav-sidebar-dash-extra .nav-link { padding: 8px 12px; font-size: 12px; }
.nav-sidebar-dash-extra .btn { margin-top: 8px; width: 100%; padding: 8px 12px; font-size: 11px; }

/* ── Theme Toggle ──────────────────────────────────────────────── */
/* ── Theme toggle: inline next to hamburger on nav pages ── */
.nav-right-group {
    display: flex;
    align-items: center;
    gap: 6px;
}
.theme-toggle-nav {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.theme-toggle-nav:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
/* Icon swap — nav toggle */
.theme-toggle-nav .icon-sun  { display: none; }
.theme-toggle-nav .icon-moon { display: inline; }
[data-theme="dark"] .theme-toggle-nav .icon-sun  { display: inline; }
[data-theme="dark"] .theme-toggle-nav .icon-moon { display: none; }

/* ── Theme toggle: floating fallback for chat/app pages ── */
.theme-toggle {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 2px 12px var(--shadow);
    transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.15s;
}
@media (max-width: 768px) {
    .theme-toggle {
        bottom: 90px;
        right: 14px;
        width: 38px;
        height: 38px;
        font-size: 17px;
    }
}
.theme-toggle:hover {
    transform: scale(1.1);
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
/* Icon swap — floating toggle */
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: inline; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: inline; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Dark-mode specific overrides for marketing elements */
[data-theme="dark"] .feature-icon {
    background: rgba(90, 125, 100, 0.12);
    color: var(--accent);
}
[data-theme="dark"] .hero { color: var(--text-primary); }
[data-theme="dark"] .stat-value { color: var(--text-primary); }

/* ── Chat transparency (space-bg shows through) ──────────────── */
/* Light mode: semi-transparent so space-bg gradient gives warmth */
body.has-space-bg {
    background: transparent;
}
.has-space-bg .app-container {
    background: transparent;
}
.has-space-bg .main-content {
    background: rgba(245, 241, 235, 0.65);
}
.has-space-bg .sidebar {
    background: rgba(232, 239, 230, 0.88);
}
.has-space-bg .input-container {
    background: rgba(245, 241, 235, 0.85);
}
/* Dark mode: more transparent for deeper space-bg effect */
[data-theme="dark"] body.has-space-bg {
    background: transparent;
}
[data-theme="dark"] .has-space-bg .app-container {
    background: transparent;
}
[data-theme="dark"] .main-content {
    background: transparent;
}
[data-theme="dark"] .sidebar {
    background: rgba(22, 24, 34, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
[data-theme="dark"] .input-container {
    background: rgba(15, 17, 23, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
[data-theme="dark"] .input-wrapper {
    background: rgba(26, 29, 42, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
[data-theme="dark"] .message.user .message-content {
    background: rgba(90, 125, 100, 0.22);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
[data-theme="dark"] .message.assistant .message-content {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
[data-theme="dark"] .welcome-screen .feature {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
[data-theme="dark"] .example-btn {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
[data-theme="dark"] #modeDescription {
    background: rgba(255, 255, 255, 0.04) !important;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
[data-theme="dark"] .mobile-header {
    background: rgba(22, 24, 34, 0.82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
[data-theme="dark"] .new-chat-btn {
    background: rgba(255, 255, 255, 0.06);
}
[data-theme="dark"] .home-btn {
    background: rgba(255, 255, 255, 0.06);
}
[data-theme="dark"] .scribe-modal {
    background: rgba(22, 24, 34, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* Site footer (Privacy, Terms, etc.) — used on all pages */
.site-footer {
    width: 100%;
    max-width: 1000px;
    margin: 80px auto 0;
    padding: 40px 24px 32px;
    border-top: 1px solid var(--border-light, #d4e0d6);
    text-align: center;
}
.site-footer .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 24px 32px;
    justify-content: center;
    margin-bottom: 20px;
}
.site-footer .footer-links a {
    font-size: 12px;
    color: var(--text-secondary, #5c5349);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.site-footer .footer-links a:hover {
    color: var(--text-primary, #2c2620);
}
.site-footer .footer-copy {
    font-size: 11px;
    color: var(--text-muted, #6b7a66);
}