/* ═══════════════════════════════════════════════════════
   Email Agent — Premium Dark UI
   ═══════════════════════════════════════════════════════ */

/* --- Design Tokens --- */
:root {
    --sidebar-w: 252px;

    /* Surfaces */
    --bg-base: #0f1117;
    --bg-surface: #161820;
    --bg-elevated: #1c1e28;
    --bg-overlay: #222432;
    --bg-hover: rgba(255, 255, 255, 0.04);
    --bg-active: rgba(99, 102, 241, 0.08);

    /* Borders */
    --border: rgba(255, 255, 255, 0.06);
    --border-subtle: rgba(255, 255, 255, 0.03);
    --border-focus: rgba(99, 102, 241, 0.5);

    /* Text */
    --text-1: #f0f1f3;
    --text-2: #a1a7b4;
    --text-3: #636a7c;

    /* Accent */
    --accent: #818cf8;
    --accent-dim: rgba(99, 102, 241, 0.15);

    /* Semantic */
    --red: #f87171;
    --red-dim: rgba(248, 113, 113, 0.12);
    --amber: #fbbf24;
    --amber-dim: rgba(251, 191, 36, 0.12);
    --green: #34d399;
    --green-dim: rgba(52, 211, 153, 0.15);
    --slate: #64748b;
    --slate-dim: rgba(100, 116, 139, 0.12);

    /* Misc */
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    background: var(--bg-base);
    color: var(--text-1);
    margin: 0;
    overflow: hidden;
    height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 14px;
    line-height: 1.5;
}

/* --- Layout --- */
.app-layout {
    display: flex;
    height: 100vh;
}

/* ═══ SIDEBAR ═══ */
.sidebar {
    width: var(--sidebar-w);
    min-width: var(--sidebar-w);
    background: var(--bg-base);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 18px 8px;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-1);
}

.sidebar-header i { color: var(--accent); }

.sidebar-section {
    padding: 4px 8px;
}

.sidebar-label {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-3);
    padding: 14px 12px 6px;
    font-weight: 600;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-2);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
    font-weight: 450;
}

.sidebar-item:hover {
    background: var(--bg-hover);
    color: var(--text-1);
}

.sidebar-item.selected {
    background: var(--bg-active);
    color: var(--accent);
    font-weight: 500;
}

.sidebar-item.active { color: var(--text-1); }
.sidebar-item.inactive { opacity: 0.45; }

.sidebar-item.add-account {
    color: var(--text-3);
    font-size: 0.75rem;
    margin-top: 2px;
}
.sidebar-item.add-account:hover { color: var(--accent); }

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    margin-left: auto;
    flex-shrink: 0;
}

.dot-success { background: var(--green); box-shadow: 0 0 6px var(--green-dim); }

/* ═══ MAIN CONTENT ═══ */
.main-content {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-surface);
}

/* ═══ INBOX ═══ */
.inbox-container { padding: 24px 28px; max-width: 1100px; }

.inbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.inbox-header h5 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.inbox-header .btn-ghost {
    opacity: 0.4;
    transition: opacity var(--transition);
}
.inbox-header .btn-ghost:hover { opacity: 1; }

/* --- Filter Pills --- */
.filter-pills {
    display: flex;
    gap: 4px;
    background: var(--bg-base);
    padding: 3px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 7px;
    font-size: 0.72rem;
    font-weight: 500;
    border: none;
    background: transparent;
    color: var(--text-3);
    cursor: pointer;
    transition: all var(--transition);
}

.pill:hover { color: var(--text-2); background: var(--bg-hover); }

.pill.active {
    background: var(--bg-elevated);
    color: var(--text-1);
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.pill.active.pill-danger { color: var(--red); }
.pill.active.pill-warning { color: var(--amber); }
.pill.active.pill-muted { color: var(--slate); }

.pill-count {
    font-size: 0.6rem;
    font-weight: 600;
    background: rgba(255,255,255,0.08);
    padding: 1px 5px;
    border-radius: 6px;
    min-width: 18px;
    text-align: center;
}
.pill.active .pill-count {
    background: rgba(255,255,255,0.1);
}

/* --- Scan Bar --- */
.scan-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: var(--bg-elevated);
    border-radius: var(--radius);
    margin-bottom: 16px;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.scan-icon { color: var(--accent); font-size: 1rem; }

.btn-scan {
    font-size: 0.72rem;
    font-weight: 500;
    padding: 5px 14px;
    border-radius: var(--radius-sm);
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid rgba(99, 102, 241, 0.2);
    white-space: nowrap;
    margin-left: auto;
    transition: all var(--transition);
}
.btn-scan:hover {
    background: rgba(99, 102, 241, 0.25);
    color: var(--accent);
    border-color: rgba(99, 102, 241, 0.4);
}

.scan-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: rgba(255,255,255,0.03);
    display: none;
}

.scan-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #a78bfa);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 0 1px 1px 0;
}

/* ═══ EMAIL LIST ═══ */
.email-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--border-subtle);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
}

.email-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px 18px;
    background: var(--bg-elevated);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition);
    border: none;
    position: relative;
}

.email-card:hover {
    background: var(--bg-overlay);
    color: inherit;
}

.email-card:first-child { border-radius: var(--radius) var(--radius) 0 0; }
.email-card:last-child { border-radius: 0 0 var(--radius) var(--radius); }
.email-card:only-child { border-radius: var(--radius); }

.email-card.spam { opacity: 0.35; }

.email-card-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    min-width: 42px;
}

.email-avatar {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8rem;
    color: #fff;
    flex-shrink: 0;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

/* Different avatar colors based on source */
.email-card[data-source="Gmail"] .email-avatar {
    background: linear-gradient(135deg, #ea4335, #ff6b6b);
}
.email-card[data-source="Outlook"] .email-avatar {
    background: linear-gradient(135deg, #0078d4, #00a4ef);
}

.email-avatar-lg {
    width: 44px;
    height: 44px;
    font-size: 1rem;
}

.email-card-body { flex: 1; min-width: 0; }

.email-card-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 2px;
}

.email-from {
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 280px;
    color: var(--text-1);
}

.email-date {
    font-size: 0.68rem;
    color: var(--text-3);
    white-space: nowrap;
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}

.email-subject {
    font-size: 0.82rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-2);
}

.email-snippet {
    font-size: 0.72rem;
    color: var(--text-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

.email-card-right {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    gap: 8px;
}

/* --- Source indicators --- */
.source-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.source-dot.source-gmail { background: #ea4335; box-shadow: 0 0 6px rgba(234, 67, 53, 0.3); }
.source-dot.source-outlook { background: #0078d4; box-shadow: 0 0 6px rgba(0, 120, 212, 0.3); }
.source-dot:not(.source-gmail):not(.source-outlook) { background: var(--accent); }

.source-tag {
    font-size: 0.6rem;
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.source-tag.source-gmail { background: rgba(234, 67, 53, 0.12); color: #f87171; }
.source-tag.source-outlook { background: rgba(0, 120, 212, 0.12); color: #60a5fa; }
.source-tag:not(.source-gmail):not(.source-outlook) { background: var(--accent-dim); color: var(--accent); }

/* --- Category Badges --- */
.category-badge {
    font-size: 0.55rem;
    padding: 2px 7px;
    border-radius: 4px;
    font-weight: 600;
    white-space: nowrap;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.cat-danger { background: var(--red-dim); color: var(--red); }
.cat-warning { background: var(--amber-dim); color: var(--amber); }
.cat-muted { background: var(--slate-dim); color: var(--slate); }
.cat-info { background: var(--accent-dim); color: var(--accent); }

/* ═══ EMPTY STATE ═══ */
.empty-state {
    text-align: center;
    padding: 100px 20px;
    color: var(--text-3);
}

.empty-state i {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 16px;
    opacity: 0.2;
}

.empty-state p { font-size: 0.85rem; }

/* ═══ DETAIL VIEW ═══ */
.detail-container { padding: 24px 28px; max-width: 1200px; }

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 20px;
    align-items: start;
}

.detail-email {
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 22px 24px;
    border-bottom: 1px solid var(--border);
}

.detail-header h5 {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 6px;
}

.detail-body {
    padding: 24px;
    max-height: 58vh;
    overflow-y: auto;
}

.detail-actions {
    display: flex;
    gap: 8px;
    padding: 12px 24px;
    border-top: 1px solid var(--border);
    background: rgba(0,0,0,0.15);
}

.detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: sticky;
    top: 24px;
}

/* ═══ PANELS ═══ */
.panel {
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}

.panel-primary { border-color: rgba(99, 102, 241, 0.2); }

.panel-header {
    padding: 12px 18px;
    font-size: 0.75rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-2);
}

.panel-header-primary {
    background: rgba(99, 102, 241, 0.05);
    color: var(--accent);
}

.panel-body { padding: 16px 18px; }

/* --- Draft Box --- */
.draft-box {
    padding: 12px 14px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    white-space: pre-wrap;
    max-height: 200px;
    overflow-y: auto;
    line-height: 1.6;
    color: var(--text-2);
}

/* ═══ EMAIL BODY ═══ */
.email-body {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'Inter', sans-serif;
    font-size: 0.82rem;
    background: transparent;
    border: none;
    padding: 0;
    margin: 0;
    color: var(--text-2);
    line-height: 1.7;
}

/* ═══ INPUTS ═══ */
.input-clean {
    background: rgba(0,0,0,0.25);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-1);
    font-size: 0.82rem;
    transition: all var(--transition);
}

.input-clean:focus {
    background: rgba(0,0,0,0.35);
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    color: var(--text-1);
}

.input-clean::placeholder { color: var(--text-3); }

/* ═══ BUTTONS ═══ */
.btn-ghost {
    background: transparent;
    color: var(--text-3);
    border: none;
    font-size: 0.78rem;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text-1);
}

.btn-refresh {
    background: var(--green-dim);
    color: var(--green);
    border: 1px solid rgba(52, 211, 153, 0.2);
    font-size: 0.78rem;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.btn-refresh:hover {
    background: rgba(52, 211, 153, 0.25);
    color: var(--green);
    border-color: rgba(52, 211, 153, 0.4);
}

.btn-archive {
    background: var(--amber-dim);
    color: var(--amber);
    border: 1px solid rgba(251, 191, 36, 0.2);
    font-size: 0.78rem;
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.btn-archive:hover {
    background: rgba(251, 191, 36, 0.25);
    color: var(--amber);
    border-color: rgba(251, 191, 36, 0.4);
}
.btn-archive.archived {
    background: var(--green-dim);
    color: var(--green);
    border-color: rgba(52, 211, 153, 0.3);
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    font-weight: 500;
    font-size: 0.82rem;
    letter-spacing: -0.01em;
}
.btn-primary:hover {
    background: #6d79f2;
    border-color: #6d79f2;
}

/* ═══ ALERTS ═══ */
.alert {
    font-size: 0.8rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 10px 16px;
}

/* ═══ SCROLLBAR ═══ */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.07);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); }

/* ═══ SPINNER ═══ */
.spinner-border-sm {
    width: 14px;
    height: 14px;
    border-width: 2px;
}

/* ═══ IMAP FORM ═══ */
.imap-form-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 40px 28px;
}

.imap-form-container h5 {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 992px) {
    .sidebar { display: none; }
    .detail-grid { grid-template-columns: 1fr; }
    .inbox-container { padding: 16px; }
}

@media (max-width: 768px) {
    .filter-pills { flex-wrap: wrap; }
    .email-from { max-width: 160px; }
}