:root {
    --bg-color: #fafafa;
    --text-color: #111827;
    --text-muted: #6b7280;
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --border-color: #e5e7eb;
    --panel-bg: #ffffff;
    --danger-color: #ef4444;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-left h1 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text-color);
}

.logo-icon {
    color: var(--primary-color);
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background-color: #f3f4f6;
    color: var(--text-color);
}

/* Side Menu */
.side-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 320px;
    height: 100vh;
    background-color: var(--panel-bg);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.06);
    z-index: 200;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.side-menu.open {
    transform: translateX(0);
}

.menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.menu-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
}

.menu-list {
    list-style: none;
    padding: 12px 0;
}

.menu-list li a {
    display: block;
    padding: 14px 24px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background-color 0.2s, color 0.2s;
}

.menu-list li a:hover {
    background-color: #f9fafb;
    color: var(--primary-color);
}

.menu-list .separator {
    height: 1px;
    background-color: var(--border-color);
    margin: 8px 24px;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(17, 24, 39, 0.4);
    backdrop-filter: blur(2px);
    z-index: 150;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(17, 24, 39, 0.4);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--panel-bg);
    border-radius: 16px;
    padding: 32px;
    width: 90%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.modal-content h3 {
    margin-bottom: 8px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-color);
}

.modal-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.modal-content input {
    width: 100%;
    padding: 12px 16px;
    background-color: #f9fafb;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 28px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    transition: all 0.2s;
}

.modal-content input:focus {
    outline: none;
    background-color: #ffffff;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-primary:disabled {
    background-color: #e5e7eb;
    color: #9ca3af;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background-color: #ffffff;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: #f9fafb;
    border-color: #d1d5db;
}

.full-width {
    width: 100%;
}
.mt-4 { margin-top: 16px; }

/* Facade View */
.view {
    min-height: calc(100vh - 65px);
}

.upload-container {
    padding: 40px 24px;
    max-width: 640px;
    margin: 0 auto;
}

.upload-box {
    border: 2px dashed #cbd5e1;
    border-radius: 16px;
    padding: 56px 24px;
    text-align: center;
    background-color: #f8fafc;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 32px;
}

.upload-box:hover {
    background-color: #f1f5f9;
    border-color: #94a3b8;
}

.upload-icon {
    color: #94a3b8;
    margin-bottom: 16px;
    transition: color 0.2s;
}

.upload-box:hover .upload-icon {
    color: var(--primary-color);
}

.upload-box h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color);
}

.upload-box p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.settings-panel {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
}

.settings-panel label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
    color: var(--text-muted);
}

.custom-select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background-color: #f9fafb;
    color: var(--text-color);
    font-size: 1rem;
    margin-bottom: 24px;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 16px;
    transition: all 0.2s;
}

.custom-select:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.recent-documents h4 {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.doc-list {
    list-style: none;
}

.doc-list li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.doc-list li:hover {
    border-color: #d1d5db;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.doc-list li svg {
    color: #94a3b8;
}

/* Chat View (Disguised) */
#chat-view {
    display: flex;
    flex-direction: column;
    background-color: #ffffff;
}

.document-outline {
    flex: 1;
    padding: 32px 24px;
    overflow-y: auto;
    padding-bottom: calc(100px + env(safe-area-inset-bottom));
}

.document-outline h2 {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 9999px;
    margin-bottom: 24px;
    font-family: ui-monospace, monospace;
    font-weight: 600;
    letter-spacing: 0.025em;
}

.status-badge.connecting {
    background-color: #fef3c7;
    color: #d97706;
    border: 1px solid #fde68a;
}

.status-badge.connected {
    background-color: #d1fae5;
    color: #059669;
    border: 1px solid #a7f3d0;
}

.status-badge.disconnected {
    background-color: #fee2e2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.notes-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.note-block {
    position: relative;
    padding-left: 20px;
}

.note-block.received {
    border-left: 3px solid var(--primary-color);
}

.note-block.sent {
    border-left: 3px solid #cbd5e1;
    background-color: #f8fafc;
    padding: 12px 16px 12px 20px;
    border-radius: 0 12px 12px 0;
}

.note-block.system {
    border-left: 3px solid var(--border-color);
    color: var(--text-muted);
}

.note-text {
    font-size: 1rem;
    color: #374151;
}

.note-media {
    max-width: 100%;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 12px;
    display: block;
    box-shadow: var(--shadow-md);
}

.note-audio {
    width: 100%;
    max-width: 400px;
    margin-top: 12px;
    outline: none;
    border-radius: 8px;
}

/* Chat Input Area */
.chat-input-area {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--border-color);
    padding: 14px 20px;
    padding-bottom: calc(14px + env(safe-area-inset-bottom));
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.02);
}

.chat-input-area input[type="text"] {
    flex: 1;
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    padding: 10px 20px;
    font-size: 1rem;
    background-color: #f9fafb;
    transition: all 0.2s;
}

.chat-input-area input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.chat-input-area input[type="text"]::placeholder {
    color: #9ca3af;
}

.voice-btn.active {
    color: var(--success-color);
    background-color: #d1fae5;
}

.dictate-btn.active {
    color: var(--danger-color);
    background-color: #fee2e2;
}

.send-btn {
    background-color: var(--primary-color);
    color: #ffffff;
    border-radius: 9999px;
    box-shadow: var(--shadow-sm);
}

.send-btn:hover {
    background-color: var(--primary-hover);
    transform: scale(1.05);
}

/* Panic View */
#panic-view {
    background-color: #ffffff;
    padding: 40px 24px;
}

.panic-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 50vh;
    gap: 20px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #f3f4f6;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.panic-loader p {
    font-family: ui-monospace, monospace;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.panic-content {
    max-width: 768px;
    margin: 0 auto;
}

.panic-content h1 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 8px;
    color: var(--text-color);
}

.panic-content .subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.panic-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 28px 0 12px;
    color: var(--text-color);
}

.panic-content p {
    margin-bottom: 16px;
    color: #374151;
    font-size: 1.05rem;
}

.panic-content ul {
    padding-left: 24px;
    margin-bottom: 24px;
}

.panic-content li {
    margin-bottom: 10px;
    color: #374151;
    font-size: 1.05rem;
}