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

:root {
    --bg: #0a0a0c;
    --surface: #111114;
    --surface-2: #1a1a1f;
    --border: #2a2a32;
    --text: #e8e8ec;
    --text-muted: #8888a0;
    --accent: #ff6b35;
    --accent-glow: rgba(255, 107, 53, 0.15);
    --green: #4ade80;
    --blue: #60a5fa;
    --purple: #a78bfa;
    --red: #f87171;
    --yellow: #fbbf24;
}

body {
    font-family: 'DM Sans', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* NAV */
nav {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 100;
}
nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.5px;
    text-decoration: none;
}
.logo-dot { color: var(--accent); }

.nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}
.nav-user {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-right: 8px;
}

/* BUTTONS */
.btn {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 10px 24px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}
.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
}
.btn-ghost:hover {
    color: var(--text);
    border-color: var(--text-muted);
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: #e85d2c; }
.btn-sm {
    padding: 6px 16px;
    font-size: 0.8rem;
}
.btn-full {
    width: 100%;
    justify-content: center;
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.btn-success {
    background: rgba(74, 222, 128, 0.15);
    color: var(--green);
    border: 1px solid rgba(74, 222, 128, 0.3);
}
.btn-danger {
    background: rgba(248, 113, 113, 0.1);
    color: var(--red);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

/* AUTH PAGES */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 80px);
    padding: 40px 24px;
}
.auth-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px;
    width: 100%;
    max-width: 420px;
}
.auth-card h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}
.auth-sub {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 32px;
}
.auth-error {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.2);
    color: var(--red);
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 20px;
}
.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.auth-footer a {
    color: var(--accent);
    text-decoration: none;
}
.auth-footer a:hover { text-decoration: underline; }

/* FORM */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
}
.form-group input::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

/* DASHBOARD LAYOUT */
.dashboard {
    display: flex;
    min-height: calc(100vh - 57px);
}
.sidebar {
    width: 240px;
    border-right: 1px solid var(--border);
    padding: 24px 0;
    flex-shrink: 0;
}
.sidebar-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0 12px;
}
.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-radius: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.15s;
}
.sidebar-nav li a:hover {
    background: var(--surface);
    color: var(--text);
}
.sidebar-nav li a.active {
    background: var(--accent-glow);
    color: var(--accent);
}
.sidebar-nav li a .icon {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}
.sidebar-section {
    padding: 16px 28px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    opacity: 0.6;
}
.sidebar-badge {
    margin-left: auto;
    background: var(--accent);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 100px;
    min-width: 20px;
    text-align: center;
}

.main-content {
    flex: 1;
    padding: 32px 40px;
    overflow-y: auto;
    max-height: calc(100vh - 57px);
}

/* SECTION HEADERS */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}
.page-header h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}
.page-header .subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* STAT CARDS */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}
.stat-card-sm {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 24px;
}
.stat-card-sm .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}
.stat-card-sm .value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
}
.stat-card-sm .value.urgent { color: var(--red); }
.stat-card-sm .value.respond { color: var(--yellow); }
.stat-card-sm .value.followup { color: var(--blue); }
.stat-card-sm .value.archive { color: var(--text-muted); }
.stat-card-sm .value.accent { color: var(--accent); }

/* FILTER TABS */
.filter-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
}
.filter-tab {
    padding: 10px 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.15s;
    font-family: 'DM Sans', sans-serif;
}
.filter-tab:hover {
    color: var(--text);
}
.filter-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
.filter-tab .count {
    margin-left: 6px;
    font-size: 0.7rem;
    opacity: 0.7;
}

/* EMAIL LIST */
.email-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.email-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 20px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 16px;
    align-items: start;
    transition: border-color 0.15s;
    cursor: pointer;
}
.email-item:hover {
    border-color: var(--accent);
}
.email-item.handled {
    opacity: 0.5;
}

.email-category-badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    margin-top: 2px;
}
.badge-urgent { background: rgba(248, 113, 113, 0.15); color: var(--red); }
.badge-respond { background: rgba(251, 191, 36, 0.15); color: var(--yellow); }
.badge-follow-up { background: rgba(96, 165, 250, 0.15); color: var(--blue); }
.badge-fyi { background: rgba(167, 139, 250, 0.15); color: var(--purple); }
.badge-archive { background: rgba(136, 136, 160, 0.1); color: var(--text-muted); }

.email-body {
    min-width: 0;
}
.email-sender {
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.email-subject {
    font-size: 0.9rem;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.email-summary {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.email-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.email-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* EMAIL DETAIL PANEL */
.email-detail {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    margin-top: 16px;
    display: none;
}
.email-detail.visible {
    display: block;
}
.email-detail h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
}
.email-detail .meta {
    display: flex;
    gap: 24px;
    margin-bottom: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.email-detail .draft-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-top: 16px;
}
.email-detail .draft-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}
.email-detail .draft-text {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text);
}

/* DIGEST */
.digest-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
}
.digest-card h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.digest-summary {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.7;
}
.digest-highlights h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.highlight-item {
    display: flex;
    gap: 12px;
    align-items: start;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.highlight-item:last-child { border-bottom: none; }
.highlight-item .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 6px;
}
.highlight-item .dot.urgent { background: var(--red); }
.highlight-item .dot.respond { background: var(--yellow); }
.highlight-info .hl-subject {
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 2px;
}
.highlight-info .hl-detail {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* PATTERNS */
.pattern-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.pattern-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
}
.pattern-card .name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}
.pattern-card .email-addr {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}
.pattern-stats {
    display: flex;
    gap: 20px;
}
.pattern-stat .ps-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
}
.pattern-stat .ps-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}
.importance-bar {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin-top: 16px;
    overflow: hidden;
}
.importance-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.3s;
}

/* EMPTY STATE */
.empty-state {
    text-align: center;
    padding: 80px 40px;
}
.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.4;
}
.empty-state h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.empty-state p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* LOADING */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    color: var(--text-muted);
    gap: 12px;
}
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* TOAST */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 24px;
    font-size: 0.85rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    z-index: 1000;
}
.toast.show {
    transform: translateY(0);
    opacity: 1;
}
.toast.success { border-color: rgba(74, 222, 128, 0.3); }
.toast.error { border-color: rgba(248, 113, 113, 0.3); }

/* LIVE/DEMO BADGES */
.live-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: rgba(74, 222, 128, 0.15);
    color: var(--green);
    text-transform: uppercase;
}
.demo-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: rgba(167, 139, 250, 0.15);
    color: var(--purple);
    text-transform: uppercase;
}

/* STATUS INDICATORS */
.status-connected { color: var(--green); }
.status-expired { color: var(--yellow); }
.status-disconnected { color: var(--red); }
.status-demo { color: var(--purple); }

/* GMAIL CONNECTION CARD */
.gmail-connected, .gmail-disconnected, .gmail-pending {
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .dashboard {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 12px 0;
    }
    .sidebar-nav {
        flex-direction: row;
        overflow-x: auto;
        gap: 4px;
        padding: 0 12px;
    }
    .sidebar-section { display: none; }
    .main-content {
        padding: 24px 16px;
        max-height: none;
    }
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .email-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}