:root {
    --bg: #ffffff;
    --bg-warm: #fafaf8;
    --surface: #f5f5f3;
    --surface-hover: #ededeb;
    --border: #e5e5e3;
    --border-subtle: #eeeeec;
    --text: #1a1a1a;
    --text-secondary: #5c5c5c;
    --text-dim: #8c8c8c;
    --accent: #6366f1;
    --accent-bright: #4f46e5;
    --accent-text: #4338ca;
    --accent-soft: rgba(99, 102, 241, 0.08);
    --green: #059669;
    --green-text: #047857;
    --green-soft: rgba(5, 150, 105, 0.08);
    --red: #dc2626;
    --red-soft: rgba(220, 38, 38, 0.07);
    --amber: #d97706;
    --font: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --mono: "JetBrains Mono", "Cascadia Code", monospace;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.06);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

html {
    font-size: 16px;
    min-height: 100%;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg-warm);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== NAV (Glassmorphism) ===== */
.top-nav {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0 1.5rem;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    height: 100%;
    gap: 2rem;
}

.nav-logo img {
    display: block;
}

.nav-links {
    flex: 1;
    display: flex;
    gap: 0.25rem;
}

.nav-link-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: background 0.15s, color 0.15s;
}

.nav-link-item:hover {
    background: var(--surface);
    color: var(--text);
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-user {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.nav-link-auth {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: background 0.15s;
}

.nav-link-auth:hover {
    background: var(--surface);
}

.btn-nav-primary {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 1px 3px rgba(99, 102, 241, 0.2);
}

.btn-nav-primary:hover {
    background: var(--accent-bright);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.btn-nav-secondary {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.btn-nav-secondary:hover {
    background: var(--surface);
    border-color: var(--text-dim);
}

/* ===== USER DROPDOWN ===== */
.nav-user-menu {
    position: relative;
}

.nav-user-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: var(--font);
    font-weight: 500;
    color: var(--text);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.nav-user-btn:hover {
    background: var(--surface);
    border-color: var(--text-dim);
}

.plan-badge-sm {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.1rem 0.375rem;
    border-radius: 999px;
}

.plan-badge-sm.pro {
    background: var(--accent-soft);
    color: var(--accent-text);
}

.plan-badge-sm.business {
    background: var(--green-soft);
    color: var(--green-text);
}

.nav-dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    z-index: 200;
    overflow: hidden;
}

.nav-user-menu.open .nav-dropdown {
    display: block;
    animation: fadeIn 0.15s ease;
}

.nav-dropdown-item {
    display: block;
    width: 100%;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-family: var(--font);
    color: var(--text);
    text-decoration: none;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    transition: background 0.1s;
}

.nav-dropdown-item:hover {
    background: var(--surface);
}

.nav-dropdown-item.logout {
    color: var(--text-secondary);
    border-top: 1px solid var(--border-subtle);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ===== FOOTER ===== */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem;
    background: var(--bg);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8125rem;
    color: var(--text-dim);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.15s;
}

.footer-links a:hover {
    color: var(--text-secondary);
}

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 1px 3px rgba(99, 102, 241, 0.2);
}

.btn-primary:hover {
    background: var(--accent-bright);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, box-shadow 0.2s;
}

.btn-secondary:hover {
    background: var(--surface);
    border-color: var(--text-dim);
    box-shadow: var(--shadow-sm);
}

/* ===== DASHBOARD ===== */
.dashboard-header {
    margin-bottom: 2rem;
    animation: fadeIn 0.4s ease;
}

.dashboard-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.25rem;
}

.dashboard-header p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* ===== PROPERTY HEADER ===== */
.property-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.property-name {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.sync-badge {
    font-size: 0.75rem;
    padding: 0.2rem 0.625rem;
    border-radius: 999px;
    font-weight: 500;
}

.sync-badge.synced {
    background: #f0fdf4;
    color: var(--green-text);
}

.sync-badge.error {
    background: #fef2f2;
    color: var(--red);
}

.sync-badge.pending,
.sync-badge.syncing {
    background: var(--surface);
    color: var(--text-secondary);
}

/* ===== PROPERTY SWITCHER ===== */
.property-select {
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238c8c8c' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.property-select:hover {
    border-color: var(--text-dim);
}

.property-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* ===== KPI CARDS ===== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.875rem;
    margin-bottom: 1.75rem;
}

@media (max-width: 900px) {
    .kpi-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 600px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

.kpi-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    animation: fadeInUp 0.5s ease both;
}

.kpi-card:nth-child(1) { animation-delay: 0s; }
.kpi-card:nth-child(2) { animation-delay: 0.05s; }
.kpi-card:nth-child(3) { animation-delay: 0.1s; }
.kpi-card:nth-child(4) { animation-delay: 0.15s; }
.kpi-card:nth-child(5) { animation-delay: 0.2s; }

.kpi-card:hover {
    border-color: #d4d4d2;
    box-shadow: var(--shadow-md);
}

.kpi-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    margin-bottom: 0.625rem;
}

.kpi-value {
    font-size: 1.875rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.kpi-change {
    font-size: 0.8125rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
}

.kpi-change.positive {
    color: var(--green-text);
    background: var(--green-soft);
}

.kpi-change.negative {
    color: var(--red);
    background: var(--red-soft);
}

.kpi-change.neutral {
    color: var(--text-dim);
    background: var(--surface);
}

/* ===== CHART ===== */
.chart-container {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.75rem;
    transition: box-shadow 0.2s;
    animation: fadeInUp 0.5s ease 0.25s both;
}

.chart-container:hover {
    box-shadow: var(--shadow-md);
}

.chart-container h2 {
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 1.25rem;
    color: var(--text);
}

.chart-canvas-wrapper {
    position: relative;
    height: 300px;
}

/* ===== DATA TABLES ===== */
.tables-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.875rem;
    margin-bottom: 2rem;
}

@media (max-width: 900px) {
    .tables-grid { grid-template-columns: 1fr; }
}

.data-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    animation: fadeInUp 0.5s ease both;
}

.data-card:nth-child(1) { animation-delay: 0.3s; }
.data-card:nth-child(2) { animation-delay: 0.35s; }
.data-card:nth-child(3) { animation-delay: 0.4s; }

.data-card:hover {
    border-color: #d4d4d2;
    box-shadow: var(--shadow-md);
}

.data-card h3 {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
    margin-bottom: 1rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-dim);
    padding: 0 0 0.625rem 0;
    border-bottom: 1px solid var(--border);
}

.data-table th:last-child {
    text-align: right;
}

.data-table td {
    padding: 0.625rem 0;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.data-table td:first-child {
    color: var(--text);
    font-weight: 500;
}

.data-table td:last-child {
    text-align: right;
    font-weight: 600;
    font-family: var(--mono);
    font-size: 0.8125rem;
    color: var(--text);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table .path-cell {
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Row rank indicator */
.data-table tr:first-child td:last-child {
    color: var(--accent);
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 5rem 2rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    animation: fadeIn 0.5s ease;
}

.empty-state::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(99, 102, 241, 0.06), transparent 65%);
    pointer-events: none;
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1.25rem;
    position: relative;
}

.empty-state h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== DASHBOARD FOOTER ACTIONS ===== */
.dashboard-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    animation: fadeIn 0.5s ease 0.5s both;
}

/* ===== DEMO BANNER ===== */
.demo-banner {
    display: flex;
    align-items: center;
    padding: 0.5rem 1.5rem;
    background: var(--accent);
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 500;
}

/* ===== ADMIN NAV ===== */
.admin-link { color: var(--accent-text) !important; font-weight: 600 !important; }

/* ===== MODAL ===== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 500;
    align-items: center;
    justify-content: center;
}

.modal-overlay.open {
    display: flex;
    animation: fadeIn 0.15s ease;
}

.modal-card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 1.5rem 2rem;
    width: 100%;
    max-width: 440px;
    animation: fadeInUp 0.2s ease;
}

/* ===== ADMIN BUTTONS ===== */
.btn-admin-on,
.btn-admin-off {
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font);
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    transition: opacity 0.15s;
}

.btn-admin-on {
    background: var(--accent-soft);
    color: var(--accent-text);
}

.btn-admin-off {
    background: var(--surface);
    color: var(--text-dim);
}

.btn-admin-on:hover,
.btn-admin-off:hover { opacity: 0.8; }

/* ===== DANGER ZONE ===== */
.danger-zone {
    border: 1px solid var(--red);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    background: color-mix(in srgb, var(--red) 4%, var(--bg));
}

.danger-zone h3 {
    color: var(--red);
    font-size: 1rem;
    margin-bottom: 0.375rem;
}

.danger-zone p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.btn-danger {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--red);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: background 0.15s, transform 0.2s;
    white-space: nowrap;
}

.btn-danger:hover {
    background: color-mix(in srgb, var(--red) 85%, black);
    transform: translateY(-1px);
}

/* ===== ONBOARDING ===== */
.onboarding-card {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--bg);
    border: 2px solid var(--accent);
    border-radius: var(--radius-lg);
    max-width: 500px;
    margin: 2rem auto;
}

.onboarding-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.onboarding-card p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.onboarding-step {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
    margin-bottom: 1rem;
}

.onboarding-hint {
    font-size: 0.8125rem;
    color: var(--text-dim);
    margin-top: 1.5rem;
}

/* ===== PRICING CARDS ===== */
.pricing-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
    box-shadow: var(--shadow-md);
}

.pricing-card.featured {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.pricing-name {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-dim);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.pricing-features li::before {
    content: "\2713";
    color: var(--green);
    font-weight: 700;
    margin-right: 0.5rem;
}

.plan-badge {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
}

.plan-badge.free {
    background: var(--surface);
    color: var(--text-secondary);
}

.plan-badge.pro {
    background: var(--accent-soft);
    color: var(--accent-text);
}

.plan-badge.business {
    background: var(--green-soft);
    color: var(--green-text);
}

/* ===== CHAT ===== */
.chat-container {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    height: calc(100vh - 220px);
    min-height: 400px;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.chat-welcome {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.chat-welcome p { margin-bottom: 0.75rem; }

.chat-welcome ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    font-size: 0.875rem;
}

.chat-welcome li { color: var(--accent-text); }

.chat-message {
    max-width: 80%;
    animation: fadeInUp 0.3s ease;
}

.chat-message.user { align-self: flex-end; }
.chat-message.assistant { align-self: flex-start; }

.chat-message-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
    margin-bottom: 0.375rem;
}

.chat-message.user .chat-message-label { text-align: right; }

.chat-message-content {
    padding: 0.875rem 1.125rem;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.chat-message.user .chat-message-content {
    background: var(--accent);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chat-message.assistant .chat-message-content {
    background: var(--surface);
    color: var(--text);
    border-bottom-left-radius: 4px;
}

.chat-message.assistant .chat-message-content p { margin-bottom: 0.5rem; }
.chat-message.assistant .chat-message-content p:last-child { margin-bottom: 0; }
.chat-message.assistant .chat-message-content strong { font-weight: 600; }

.chat-message.assistant .chat-message-content ul,
.chat-message.assistant .chat-message-content ol {
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
}

.chat-message.assistant .chat-message-content li { margin-bottom: 0.25rem; }

.chat-input-area {
    border-top: 1px solid var(--border);
    padding: 1rem 1.5rem;
    background: var(--bg-warm);
}

.chat-form {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    resize: none;
    line-height: 1.5;
    max-height: 120px;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.chat-input::placeholder { color: var(--text-dim); }

.chat-send-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.15s, transform 0.2s;
}

.chat-send-btn:hover {
    background: var(--accent-bright);
    transform: translateY(-1px);
}

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

.chat-limit-info {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-dim);
    padding-top: 0.5rem;
}

.chat-limit-info a {
    color: var(--accent);
    text-decoration: underline;
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 0.75rem 1rem !important;
}

.typing-indicator .dot {
    width: 8px;
    height: 8px;
    background: var(--text-dim);
    border-radius: 50%;
    animation: typingBounce 1.2s ease-in-out infinite;
}

.typing-indicator .dot:nth-child(2) { animation-delay: 0.15s; }
.typing-indicator .dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}

/* Button loading spinner */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading::after {
    content: "";
    position: absolute;
    right: 8px;
    top: 50%;
    width: 14px;
    height: 14px;
    margin-top: -7px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== PROPERTY SELECTION ===== */
.property-option {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: left;
    font-family: var(--font);
    font-size: 0.9375rem;
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.property-option:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* ===== FORMS (Identity pages) ===== */
.auth-page {
    max-width: 440px;
    margin: 2rem auto;
}

.auth-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.auth-card h1, .auth-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.auth-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.375rem;
    color: var(--text);
}

.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="text"] {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-submit {
    width: 100%;
    padding: 0.75rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: background 0.15s, transform 0.2s, box-shadow 0.2s;
    margin-top: 0.5rem;
    box-shadow: 0 1px 3px rgba(99, 102, 241, 0.2);
}

.form-submit:hover {
    background: var(--accent-bright);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.form-submit:active {
    transform: translateY(0);
}

.auth-links {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.auth-links a {
    color: var(--accent-text);
    text-decoration: none;
    font-weight: 500;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* Validation */
.text-danger {
    color: var(--red);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}

.validation-summary-errors ul {
    list-style: none;
    padding: 0.75rem 1rem;
    background: var(--red-soft);
    border: 1px solid #fecaca;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--red);
}

/* ===== ALERTS / INFO ===== */
.alert-info {
    padding: 1rem 1.25rem;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: var(--radius-sm);
    color: #1e40af;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.alert-success {
    padding: 1rem 1.25rem;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--radius-sm);
    color: var(--green-text);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* ===== ALERT CARDS ===== */
.alert-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    border-left: 3px solid var(--border);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.alert-card:hover {
    box-shadow: var(--shadow-sm);
}

.alert-card.critical {
    border-left-color: var(--red);
}

.alert-card.warning {
    border-left-color: var(--amber);
}

.alert-card.acknowledged {
    opacity: 0.6;
}

.alert-severity-badge {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
}

.alert-severity-badge.critical {
    background: var(--red-soft);
    color: var(--red);
}

.alert-severity-badge.warning {
    background: rgba(217, 119, 6, 0.08);
    color: var(--amber);
}

.alert-severity-badge.info {
    background: var(--green-soft);
    color: var(--green-text);
}

.alert-card.info {
    border-left-color: var(--green);
}

/* ===== NAV BADGE ===== */
.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    font-size: 0.6875rem;
    font-weight: 700;
    line-height: 1;
    background: var(--red);
    color: #fff;
    margin-left: 0.25rem;
}

/* ===== BRIEFING CONTENT ===== */
.briefing-content {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    line-height: 1.75;
    animation: fadeInUp 0.5s ease both;
}

.briefing-content h1,
.briefing-content h2,
.briefing-content h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.briefing-content h1 { font-size: 1.375rem; }
.briefing-content h2 { font-size: 1.125rem; }
.briefing-content h3 { font-size: 1rem; }

.briefing-content h1:first-child,
.briefing-content h2:first-child,
.briefing-content h3:first-child {
    margin-top: 0;
}

.briefing-content p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.briefing-content strong {
    color: var(--text);
    font-weight: 600;
}

.briefing-content ul, .briefing-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.briefing-content li {
    margin-bottom: 0.375rem;
    color: var(--text-secondary);
}

.briefing-content code {
    font-family: var(--mono);
    font-size: 0.875em;
    background: var(--surface);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
}

.briefing-content blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 1rem;
    margin: 1rem 0;
    color: var(--text-secondary);
    font-style: italic;
}

/* ===== TOAST NOTIFICATIONS ===== */
.toast-container {
    position: fixed;
    top: 72px;
    right: 1.5rem;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 4s forwards;
    max-width: 400px;
}

.toast.success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: var(--green-text);
}

.toast.error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--red);
}

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

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

.toast-container.fade-out {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
}

/* ===== UTILITY ===== */
.text-secondary {
    color: var(--text-secondary);
}

.mono {
    font-family: var(--mono);
}