/* ── Base ──────────────────────────────────────────────────────────── */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.5;
}

/* ── Login ─────────────────────────────────────────────────────────── */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
}
.login-container { width: 100%; max-width: 400px; padding: 1rem; }
.login-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    text-align: center;
}
.login-card h1 { font-size: 1.5rem; margin-bottom: 0.25rem; color: var(--gray-900); }
.login-card .subtitle { color: var(--gray-500); margin-bottom: 1.5rem; font-size: 0.9rem; }
.error-msg {
    background: #fef2f2; color: var(--danger); border: 1px solid #fecaca;
    border-radius: var(--radius); padding: 0.5rem; margin-bottom: 1rem; font-size: 0.875rem;
}
.form-group { margin-bottom: 1rem; text-align: left; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.25rem; color: var(--gray-700); }
.form-group input {
    width: 100%; padding: 0.5rem 0.75rem; border: 1px solid var(--gray-300);
    border-radius: var(--radius); font-size: 0.9rem;
}
.form-group input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(37,99,235,0.2); }

/* ── Buttons ───────────────────────────────────────────────────────── */
.btn {
    display: inline-block; padding: 0.5rem 1rem; border: none; border-radius: var(--radius);
    font-size: 0.875rem; font-weight: 500; cursor: pointer; text-decoration: none;
    transition: background 0.15s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-info { background: #0891b2; color: #fff; }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.btn-block { display: block; width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Layout ────────────────────────────────────────────────────────── */
.topbar {
    background: #fff; border-bottom: 1px solid var(--gray-200);
    padding: 0.75rem 1.5rem; display: flex; align-items: center;
    justify-content: space-between; box-shadow: var(--shadow);
    position: sticky; top: 0; z-index: 100;
}
.topbar h1 { font-size: 1.1rem; color: var(--gray-900); }
.topbar-right { display: flex; align-items: center; gap: 1rem; font-size: 0.85rem; }
.sync-status { display: flex; align-items: center; gap: 0.5rem; }
.status-dot {
    width: 8px; height: 8px; border-radius: 50%; display: inline-block;
}
.status-dot.green { background: var(--success); }
.status-dot.yellow { background: var(--warning); }
.status-dot.red { background: var(--danger); }
.status-dot.blue { background: var(--primary); animation: pulse 1s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

.container { max-width: 1400px; margin: 0 auto; padding: 1rem 1.5rem; }

/* ── Tabs ──────────────────────────────────────────────────────────── */
.tabs {
    display: flex; gap: 0; border-bottom: 2px solid var(--gray-200);
    margin-bottom: 1.5rem; overflow-x: auto;
}
.tab {
    padding: 0.6rem 1.2rem; cursor: pointer; font-size: 0.875rem;
    font-weight: 500; color: var(--gray-500); border-bottom: 2px solid transparent;
    margin-bottom: -2px; white-space: nowrap; transition: all 0.15s;
}
.tab:hover { color: var(--gray-700); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── KPI Cards ─────────────────────────────────────────────────────── */
.kpi-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem; margin-bottom: 1.5rem;
}
.kpi-card {
    background: #fff; border-radius: var(--radius); padding: 1rem;
    box-shadow: var(--shadow); border-left: 4px solid var(--primary);
}
.kpi-card.success { border-left-color: var(--success); }
.kpi-card.warning { border-left-color: var(--warning); }
.kpi-card.danger { border-left-color: var(--danger); }
.kpi-card .label { font-size: 0.75rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.05em; }
.kpi-card .value { font-size: 1.5rem; font-weight: 700; margin-top: 0.25rem; }
.kpi-card .sub { font-size: 0.75rem; color: var(--gray-500); margin-top: 0.1rem; }

/* ── Cards and panels ──────────────────────────────────────────────── */
.card {
    background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}
.card-header {
    padding: 0.75rem 1rem; border-bottom: 1px solid var(--gray-200);
    font-weight: 600; font-size: 0.9rem; display: flex;
    justify-content: space-between; align-items: center;
    cursor: pointer; user-select: none;
}
.card-header::before {
    content: '▼'; font-size: 0.65rem; margin-right: 0.5rem; color: var(--gray-400);
    transition: transform 0.2s; flex-shrink: 0;
}
.card.collapsed .card-header::before { transform: rotate(-90deg); }
.card.collapsed .card-body { display: none; }
.card-body { padding: 1rem; }

/* Cards that should NOT collapse */
.card[id*="insight"] .card-header::before,
.card[id*="detail-card"] .card-header::before,
.card[id*="kpi"] .card-header::before { content: ''; margin: 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

/* ── CEO cockpit ───────────────────────────────────────────────────── */
.ceo-hero {
    margin-bottom: 1rem;
}
.ceo-hero-card {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.25rem 1.4rem;
    border-radius: 16px;
    background:
        radial-gradient(circle at top left, rgba(255,255,255,0.18), transparent 40%),
        linear-gradient(135deg, #0f172a, #1e3a5f);
    color: #fff;
    box-shadow: var(--shadow-md);
}
.ceo-hero-card.success {
    background:
        radial-gradient(circle at top left, rgba(255,255,255,0.18), transparent 40%),
        linear-gradient(135deg, #0f172a, #14532d);
}
.ceo-hero-card.warning {
    background:
        radial-gradient(circle at top left, rgba(255,255,255,0.18), transparent 40%),
        linear-gradient(135deg, #422006, #9a3412);
}
.ceo-hero-card.danger {
    background:
        radial-gradient(circle at top left, rgba(255,255,255,0.18), transparent 40%),
        linear-gradient(135deg, #3f0a14, #991b1b);
}
.ceo-hero-card .eyebrow {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 0.75;
    margin-bottom: 0.5rem;
}
.ceo-hero-card h2 {
    font-size: 1.6rem;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}
.ceo-hero-card p {
    max-width: 760px;
    color: rgba(255,255,255,0.85);
}
.ceo-hero-meta {
    min-width: 170px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.45rem;
}
.ceo-alerts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.85rem;
    margin-bottom: 1rem;
}
.ceo-alert {
    background: #fff;
    border-radius: 12px;
    padding: 0.9rem 1rem;
    box-shadow: var(--shadow);
    border-top: 4px solid var(--gray-300);
}
.ceo-alert.success { border-top-color: var(--success); }
.ceo-alert.warning { border-top-color: var(--warning); }
.ceo-alert.danger { border-top-color: var(--danger); }
.ceo-alert .title {
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}
.ceo-alert .detail {
    font-size: 0.82rem;
    color: var(--gray-700);
    line-height: 1.5;
}
.ceo-sync-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.ceo-sync-pill {
    background: #fff;
    border-radius: 10px;
    padding: 0.8rem 0.9rem;
    box-shadow: var(--shadow);
}
.ceo-sync-pill .label {
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray-500);
    margin-bottom: 0.35rem;
}
.ceo-sync-pill .value {
    font-size: 0.88rem;
    font-weight: 600;
}
@media (max-width: 900px) {
    .ceo-hero-card {
        flex-direction: column;
    }
    .ceo-hero-meta {
        align-items: flex-start;
    }
}

/* ── Tables ─────────────────────────────────────────────────────────── */
.data-table {
    width: 100%; border-collapse: collapse; font-size: 0.85rem;
}
.data-table th {
    background: var(--gray-50); text-align: left; padding: 0.5rem 0.75rem;
    font-weight: 600; color: var(--gray-700); border-bottom: 2px solid var(--gray-200);
    position: sticky; top: 0;
}
.data-table td {
    padding: 0.4rem 0.75rem; border-bottom: 1px solid var(--gray-100);
}
.data-table tr:hover td { background: var(--gray-50); }
.table-scroll { overflow-x: auto; max-height: 400px; overflow-y: auto; }

/* ── Badges ────────────────────────────────────────────────────────── */
.badge {
    display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px;
    font-size: 0.75rem; font-weight: 500;
}
.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-stale { background: #fef3c7; color: #92400e; }

/* ── Charts ────────────────────────────────────────────────────────── */
.chart-container { position: relative; height: 300px; }

/* ── Utilities ─────────────────────────────────────────────────────── */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--gray-500); }
.text-sm { font-size: 0.8rem; }
.mt-1 { margin-top: 0.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.hidden { display: none; }

/* ── Chat ──────────────────────────────────────────────────────────── */
.chat-msg { display: flex; margin-bottom: 1rem; }
.chat-msg.user { justify-content: flex-end; }
.chat-msg.assistant { justify-content: flex-start; }
.chat-bubble {
    max-width: 80%; padding: 0.75rem 1rem; border-radius: 12px;
    font-size: 0.875rem; line-height: 1.6; word-wrap: break-word;
}
.chat-msg.user .chat-bubble {
    background: var(--primary); color: #fff; border-bottom-right-radius: 4px;
}
.chat-msg.assistant .chat-bubble {
    background: var(--gray-100); color: var(--gray-900); border-bottom-left-radius: 4px;
}
.chat-bubble pre {
    background: var(--gray-200); padding: 0.5rem; border-radius: 4px;
    overflow-x: auto; font-size: 0.8rem; margin: 0.5rem 0;
}
.chat-bubble code { font-size: 0.8rem; }
.chat-bubble table {
    width: 100%; border-collapse: collapse; margin: 0.5rem 0; font-size: 0.8rem;
}
.chat-bubble table th, .chat-bubble table td {
    padding: 0.3rem 0.5rem; border: 1px solid var(--gray-300); text-align: left;
}
.chat-bubble table th { background: var(--gray-200); font-weight: 600; }
.chat-tool-info {
    font-size: 0.75rem; color: var(--gray-500); margin-bottom: 0.25rem;
    font-style: italic;
}
.chat-typing {
    display: inline-flex; gap: 4px; padding: 0.75rem 1rem;
    background: var(--gray-100); border-radius: 12px;
}
.chat-typing span {
    width: 8px; height: 8px; border-radius: 50%; background: var(--gray-400);
    animation: chatBounce 1.4s infinite ease-in-out;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes chatBounce { 0%,80%,100%{transform:scale(0)} 40%{transform:scale(1)} }

/* ── Form inputs ──────────────────────────────────────────────────── */
.form-input {
    padding: 0.4rem 0.6rem; border: 1px solid var(--gray-300);
    border-radius: var(--radius); font-size: 0.85rem;
}
.form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(37,99,235,0.2); }