:root {
    --bg: #0f172a;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --border: #e2e8f0;
    --text: #0f172a;
    --muted: #64748b;
    --primary: #2563eb;
    --primary-2: #1d4ed8;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --sidebar: #0b1220;
}

* { box-sizing: border-box; }
body.app-body { background: linear-gradient(180deg, #eff6ff 0%, #f8fafc 100%); color: var(--text); }

a { text-decoration: none; }

.auth-layout .app-shell {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr);
    min-height: 100vh;
}

.sidebar {
    background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
    color: #fff;
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: sticky;
    top: 0;
    height: 100vh;
}

.brand-wrap { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.brand-mark {
    width: 48px; height: 48px; border-radius: 16px;
    display:flex; align-items:center; justify-content:center;
    background: linear-gradient(135deg, #2563eb, #0ea5e9);
    box-shadow: 0 12px 28px rgba(37,99,235,.35);
    font-size: 1.25rem;
}
.brand-title { font-weight: 700; font-size: 1.08rem; }
.brand-subtitle { color: rgba(255,255,255,.65); font-size: .88rem; }

.sidebar-nav { gap: 6px; }
.sidebar-nav .nav-link {
    color: rgba(255,255,255,.78);
    border-radius: 14px;
    padding: 11px 14px;
    display:flex; align-items:center; gap: 10px;
    font-weight: 500;
}
.sidebar-nav .nav-link i { font-size: 1rem; }
.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
    background: rgba(255,255,255,.08);
    color: #fff;
}

.sidebar-user {
    border: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.04);
    padding: 16px;
    border-radius: 18px;
}

.main-content {
    padding: 24px;
    overflow-x: hidden;
}

.topbar {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    margin-bottom: 22px;
}
.page-title { font-size: 1.7rem; font-weight: 800; }
.page-subtitle { color: var(--muted); max-width: 760px; }

.card-modern,
.card,
.metric-card {
    border: 1px solid rgba(226,232,240,.95) !important;
    border-radius: 22px !important;
    background: rgba(255,255,255,.9);
    box-shadow: 0 16px 40px rgba(15,23,42,.06) !important;
}

.metric-card { overflow: hidden; }
.metric-card .metric-top { display:flex; align-items:center; justify-content:space-between; margin-bottom: 14px; }
.metric-icon {
    width: 44px; height: 44px; border-radius: 14px;
    display:flex; align-items:center; justify-content:center;
    background: #dbeafe; color: var(--primary);
}
.metric-label { color: var(--muted); font-weight: 600; }
.metric-value { font-size: 2rem; font-weight: 800; line-height: 1; }
.metric-foot { color: var(--muted); font-size: .9rem; }

.section-title { font-size: 1.1rem; font-weight: 800; }
.section-subtitle { color: var(--muted); font-size: .95rem; }

.badge-status {
    border-radius: 999px;
    padding: .5rem .75rem;
    font-weight: 700;
    letter-spacing: .01em;
}

.table { --bs-table-bg: transparent; }
.table thead th {
    white-space: nowrap;
    color: #475569;
    text-transform: uppercase;
    font-size: .74rem;
    letter-spacing: .05em;
    border-bottom-width: 1px;
}
.table td, .table th { vertical-align: middle; }

.filter-card .form-control,
.filter-card .form-select,
.card .form-control,
.card .form-select,
.card textarea {
    border-radius: 14px;
    border-color: #dbe3ee;
    min-height: 46px;
}
.card textarea { min-height: 110px; }

.btn {
    border-radius: 14px;
    min-height: 42px;
    font-weight: 600;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    border: 0;
}
.btn-dark { background: #0f172a; border-color: #0f172a; }

.quick-actions { display:grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.quick-link {
    display:block;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: linear-gradient(180deg, #fff, #f8fafc);
    color: var(--text);
}
.quick-link .icon {
    width: 42px; height: 42px; border-radius: 14px; display:flex; align-items:center; justify-content:center;
    margin-bottom: 12px; background: #eff6ff; color: var(--primary);
}
.quick-link .title { font-weight: 700; margin-bottom: 4px; }
.quick-link .desc { color: var(--muted); font-size: .92rem; }

.integration-grid { display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.integration-card { padding: 18px; border-radius: 20px; border:1px solid var(--border); background:#fff; }
.integration-card .head { display:flex; justify-content:space-between; align-items:center; margin-bottom: 10px; }
.integration-card code { font-size: .82rem; }

.login-wrap {
    min-height: 100vh;
    display:grid;
    place-items: center;
    padding: 20px;
    background:
      radial-gradient(circle at top left, rgba(37,99,235,.18), transparent 32%),
      radial-gradient(circle at bottom right, rgba(14,165,233,.16), transparent 32%),
      #f8fafc;
}
.login-shell {
    width: min(1120px, 100%);
    display:grid;
    grid-template-columns: 1.1fr .9fr;
    border-radius: 28px;
    overflow:hidden;
    background:#fff;
    border:1px solid var(--border);
    box-shadow: 0 32px 80px rgba(15,23,42,.12);
}
.login-hero {
    padding: 44px;
    background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 70%, #38bdf8 100%);
    color:#fff;
}
.login-hero h1 { font-weight: 800; font-size: 2.5rem; margin-bottom: 14px; }
.login-hero p { color: rgba(255,255,255,.82); max-width: 540px; }
.login-points { margin-top: 26px; display:grid; gap: 14px; }
.login-point {
    padding: 14px 16px; border-radius: 18px; background: rgba(255,255,255,.09); border:1px solid rgba(255,255,255,.12);
}
.login-form { padding: 42px; display:flex; align-items:center; }
.login-form .card { width:100%; box-shadow:none !important; border:0 !important; }

.code-block {
    background: #0f172a;
    color: #e2e8f0;
    border-radius: 16px;
    padding: 14px;
    font-size: .88rem;
}

@media (max-width: 1100px) {
    .quick-actions,
    .integration-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 992px) {
    .auth-layout .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: static; height: auto; }
    .login-shell { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .topbar { flex-direction: column; align-items: stretch; }
    .main-content { padding: 16px; }
    .quick-actions,
    .integration-grid { grid-template-columns: 1fr; }
    .login-hero, .login-form { padding: 28px; }
}