/* MailPilot SaaS — shared admin UI design system (dashboard, review center, login) */

:root {
    --bg-color: #0a0e17;
    --bg-glow-1: rgba(59, 130, 246, 0.10);
    --bg-glow-2: rgba(139, 92, 246, 0.08);
    --card-bg: #131a29;
    --card-bg-soft: #0f1521;
    --card-border: #232d3f;
    --card-border-soft: #1b2434;
    --input-bg: #0f1521;
    --input-border: #2d3748;
    --input-focus: #3b82f6;
    --text-main: #f4f6fb;
    --text-muted: #8b96a8;
    --text-label: #c9d1e0;
    --accent-blue: #3b82f6;
    --accent-blue-dark: #1d4ed8;
    --accent-violet: #7c6ff2;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-amber: #f59e0b;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 1px 2px rgba(0,0,0,0.4), 0 12px 32px -12px rgba(0,0,0,0.55);
    --shadow-pop: 0 20px 50px -12px rgba(0,0,0,0.65);
}

* { scrollbar-color: #2d3748 transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background-color: #2d3748; border-radius: 20px; border: 2px solid var(--bg-color); }
::-webkit-scrollbar-thumb:hover { background-color: #3b4759; }

html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(900px 500px at 12% -8%, var(--bg-glow-1), transparent 60%),
        radial-gradient(700px 500px at 100% 0%, var(--bg-glow-2), transparent 55%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, Helvetica, Arial, sans-serif;
    letter-spacing: -0.01em;
    padding-bottom: 60px;
    min-height: 100vh;
}

a { color: var(--accent-blue); }

::selection { background: rgba(59, 130, 246, 0.35); }

:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* ---------- Navbar ---------- */
.navbar {
    background-color: rgba(19, 26, 41, 0.85) !important;
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid var(--card-border-soft);
    box-shadow: 0 4px 24px rgba(0,0,0,0.35);
    position: sticky;
    top: 0;
    z-index: 1030;
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
}
.navbar-brand { color: var(--text-main) !important; letter-spacing: -0.02em; }
.navbar-brand .bg-primary {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-violet) 100%) !important;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.45);
}

/* ---------- Cards ---------- */
.card {
    background-color: var(--card-bg);
    background-image: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0) 120px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    color: var(--text-main);
    margin-bottom: 20px;
    box-shadow: var(--shadow-card);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Stat tiles: first row of .card.p-3 inside the stat grid */
.row.g-3.mb-4 > div > .card {
    position: relative;
    overflow: hidden;
}
.row.g-3.mb-4 > div > .card:hover {
    border-color: var(--card-border-soft);
    transform: translateY(-1px);
}
.stat-value {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.03em;
}
.row.g-3.mb-4 .text-muted.small.fw-semibold {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--text-muted) !important;
}
.row.g-3.mb-4 .fs-1 {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    font-size: 1.35rem !important;
    background: rgba(148, 163, 184, 0.08);
}
.row.g-3.mb-4 .fs-1.text-success { background: rgba(16, 185, 129, 0.12); }
.row.g-3.mb-4 .fs-1.text-primary { background: rgba(59, 130, 246, 0.12); }
.row.g-3.mb-4 .fs-1.text-danger { background: rgba(239, 68, 68, 0.12); }
.row.g-3.mb-4 .fs-1.text-info { background: rgba(56, 189, 248, 0.12); }

/* ---------- Badges / status pills ---------- */
.badge-status {
    font-size: 0.8rem;
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 600;
    letter-spacing: 0.01em;
}
.badge {
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: 8px;
}

/* ---------- Tables ---------- */
/* Bootstrap 5.3 sets --bs-table-bg to the (light) body background by default,
   which painted every cell white and made .text-white content invisible. */
.table-custom {
    color: var(--text-main);
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-main);
    --bs-table-striped-bg: transparent;
    --bs-table-hover-bg: transparent;
    --bs-table-hover-color: var(--text-main);
}
.table-custom > :not(caption) > * > * {
    background-color: transparent;
    color: inherit;
}
.table-custom th {
    border-bottom: 1px solid var(--card-border);
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding-top: 12px;
    padding-bottom: 12px;
    background-color: transparent !important;
}
.table-custom td {
    border-bottom: 1px solid var(--card-border-soft);
    vertical-align: middle;
    padding-top: 16px;
    padding-bottom: 16px;
    background-color: transparent !important;
}
.table-custom tbody tr {
    transition: background-color 0.15s ease;
}
.table-custom tbody tr:hover {
    background-color: rgba(148, 163, 184, 0.045);
}
.table-custom tbody tr:last-child td { border-bottom: none; }

/* ---------- Buttons ---------- */
.btn { font-weight: 600; letter-spacing: -0.005em; }
.btn-accent {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-dark) 100%);
    color: #ffffff;
    border: none;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-accent:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(59, 130, 246, 0.5);
    color: #ffffff;
}
.btn-accent:active { transform: translateY(0); }

.btn-outline-light {
    border-color: var(--input-border);
    color: var(--text-label);
}
.btn-outline-light:hover {
    background-color: rgba(255,255,255,0.06);
    border-color: var(--input-border);
    color: #fff;
}
.btn-outline-secondary {
    border-color: var(--input-border);
    color: var(--text-muted);
}
.btn-outline-secondary:hover {
    background-color: rgba(255,255,255,0.06);
    border-color: var(--input-border);
    color: var(--text-main);
}
.btn-outline-warning, .btn-outline-danger, .btn-outline-info, .btn-outline-primary {
    border-radius: var(--radius-sm);
    transition: transform 0.12s ease, background-color 0.15s ease;
}
.btn-outline-warning:hover, .btn-outline-danger:hover, .btn-outline-info:hover, .btn-outline-primary:hover {
    transform: translateY(-1px);
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-dark) 100%);
    border: none;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}
.btn-primary:hover {
    box-shadow: 0 8px 22px rgba(59, 130, 246, 0.5);
}
.btn-link.text-warning:hover { color: #fbbf24 !important; }

/* ---------- Forms ---------- */
.form-label {
    color: var(--text-label);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 6px;
}
.form-control, .form-select {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: #ffffff !important;
    font-size: 0.95rem;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-control::placeholder { color: #6b7688 !important; opacity: 1; }
.form-control:focus, .form-select:focus {
    background-color: #121a29;
    border-color: var(--input-focus);
    color: #ffffff !important;
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.22);
}
.form-check-input {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    width: 2.4em;
    height: 1.3em;
}
.form-check-input:checked {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
}
.form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.22);
    border-color: var(--accent-blue);
}

/* ---------- Modal ---------- */
.modal-content {
    background-color: var(--card-bg);
    color: #ffffff;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-pop);
    border-radius: var(--radius-lg);
}
.modal-backdrop.show { opacity: 0.65; }
.modal-header {
    border-bottom: 1px solid var(--card-border-soft);
    padding: 20px 24px;
}
.modal-body { padding: 24px; }
.modal-footer {
    border-top: 1px solid var(--card-border-soft);
    padding: 16px 24px;
}
.section-divider {
    border-top: 1px dashed var(--card-border);
    margin: 22px 0;
}

/* ---------- Misc ---------- */
.auto-detected-badge {
    background-color: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.35);
    color: #34d399;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-top: 8px;
}
.api-key {
    cursor: pointer;
    letter-spacing: 0.06em;
    transition: color 0.15s ease, border-color 0.15s ease;
}
.api-key:hover { border-color: var(--accent-blue) !important; color: #60a5fa !important; }

code.bg-dark {
    background-color: var(--input-bg) !important;
    border-color: var(--input-border) !important;
}

.text-secondary { color: var(--text-muted) !important; }

/* ---------- Login page ---------- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}
.login-card {
    background-color: var(--card-bg);
    background-image: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0) 140px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-pop);
    padding: 2.75rem 2.5rem;
    width: 100%;
    max-width: 420px;
}
.login-logo {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-violet) 100%);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
    font-size: 1.25rem;
    color: #fff;
    margin-bottom: 1.1rem;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}
.card { animation: fadeInUp 0.35s ease both; }