/* ═══════════════════════════════════════════════════════════
   Account Shell — shared layout for /settings/* and /admin/*
   Two-pane: left sidebar nav, right content card. Mobile collapses
   to single column with sidebar on top.
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary: #6366F1;
    --primary-hover: #4F46E5;
    --bg-base: #FFFFFF;
    --bg-soft: #F8F9FB;
    --bg-muted: #F1F2F7;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #64748B;
    --text-muted: #94A3B8;
    --border-subtle: rgba(15, 23, 42, 0.08);
    --border-focus: rgba(99, 102, 241, 0.35);
    --danger: #DC2626;
    --danger-hover: #B91C1C;
    --success: #059669;
    --warning: #D97706;
    --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
    --shadow-cta: 0 4px 14px rgba(99, 102, 241, 0.4);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-soft);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
    min-height: 100vh;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* ─── Topbar ──────────────────────────────────────────── */
.topbar {
    background: var(--bg-base);
    border-bottom: 1px solid var(--border-subtle);
    padding: 14px 24px;
    display: flex; align-items: center; justify-content: space-between;
}
.topbar .brand {
    display: flex; align-items: center; gap: 10px;
    color: var(--text-primary); font-weight: 700; font-size: 1.05rem;
}
.topbar .brand-icon { font-size: 1.4rem; }
.topbar-nav { display: flex; align-items: center; gap: 18px; }
.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.92rem;
}
.signin-link {
    color: var(--text-secondary);
    background: none; border: 1px solid var(--border-subtle);
    padding: 7px 14px; border-radius: 8px;
    font-size: 0.85rem; font-weight: 500; cursor: pointer;
}
.signin-link:hover { background: var(--bg-muted); }

/* ─── Account shell layout ────────────────────────────── */
.account-shell {
    max-width: 1180px; margin: 0 auto;
    padding: 32px 24px;
    display: grid; grid-template-columns: 240px 1fr; gap: 28px;
    align-items: start;
}
@media (max-width: 760px) {
    .account-shell { grid-template-columns: 1fr; gap: 16px; padding: 20px 14px; }
}

/* ─── Sidebar ─────────────────────────────────────────── */
.account-sidebar {
    background: var(--bg-base);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    padding: 18px 12px;
    position: sticky; top: 20px;
}
.account-sidebar .sidebar-eyebrow {
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em;
    color: var(--text-muted); text-transform: uppercase;
    padding: 0 12px 8px;
}
.account-sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar-link {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.93rem; font-weight: 500;
}
.sidebar-link:hover { background: var(--bg-muted); color: var(--text-primary); }
.sidebar-link.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    font-weight: 600;
}
.sidebar-link .sidebar-icon { font-size: 1rem; opacity: 0.85; }
.sidebar-divider {
    margin: 10px 12px;
    border: none; border-top: 1px solid var(--border-subtle);
}
.sidebar-link.danger { color: var(--danger); }
.sidebar-link.danger:hover { background: rgba(220, 38, 38, 0.08); color: var(--danger-hover); }
.sidebar-admin-tag {
    margin-left: auto;
    font-size: 0.62rem; font-weight: 700; letter-spacing: 0.05em;
    background: var(--warning); color: white;
    padding: 2px 6px; border-radius: 4px;
}

/* ─── Content panel ───────────────────────────────────── */
.account-content {
    background: var(--bg-base);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    padding: 28px 32px;
    box-shadow: var(--shadow-card);
}
.account-content .page-eyebrow {
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em;
    color: var(--text-muted); text-transform: uppercase;
    margin-bottom: 8px;
}
.account-content h1 {
    font-size: 1.5rem; font-weight: 700; margin-bottom: 6px;
    letter-spacing: -0.01em;
}
.account-content .page-sub {
    color: var(--text-secondary); font-size: 0.94rem;
    margin-bottom: 24px;
}
.account-section {
    margin-top: 28px; padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
}
.account-section:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }
.account-section h2 {
    font-size: 1.05rem; font-weight: 600; margin-bottom: 4px;
}
.account-section .section-sub {
    color: var(--text-tertiary); font-size: 0.88rem;
    margin-bottom: 16px;
}

/* ─── Form rows ───────────────────────────────────────── */
.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-row label {
    font-size: 0.78rem; font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: 0.04em;
}
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="password"],
.form-row input[type="number"],
.form-row select,
.form-row textarea {
    padding: 10px 12px;
    background: var(--bg-soft);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit; font-size: 0.95rem;
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
    outline: none; background: var(--bg-base);
    border-color: var(--border-focus);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12);
}
.form-row .form-hint {
    font-size: 0.82rem; color: var(--text-tertiary);
}

.btn {
    padding: 10px 18px;
    border: none; border-radius: 8px;
    font-family: inherit; font-size: 0.92rem; font-weight: 600;
    cursor: pointer; transition: transform 0.12s, box-shadow 0.12s, opacity 0.12s, background 0.12s;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: white; box-shadow: var(--shadow-cta);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(99, 102, 241, 0.5); }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn-secondary {
    background: var(--bg-muted);
    color: var(--text-primary);
}
.btn-secondary:hover { background: #E5E7EB; }
.btn-danger {
    background: var(--danger); color: white;
}
.btn-danger:hover { background: var(--danger-hover); }
.btn-row { display: flex; gap: 10px; align-items: center; }

.form-msg {
    padding: 10px 14px; border-radius: 8px;
    font-size: 0.88rem; margin-top: 12px;
    display: none;
}
.form-msg.success { background: #ECFDF5; color: var(--success); border: 1px solid #A7F3D0; }
.form-msg.error   { background: #FEF2F2; color: var(--danger); border: 1px solid #FECACA; }

/* ─── Stat cards (used on /admin/users) ───────────────── */
.stat-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
    margin-bottom: 24px;
}
@media (max-width: 760px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-card {
    background: var(--bg-soft);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    padding: 14px 16px;
}
.stat-label {
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em;
    color: var(--text-muted); text-transform: uppercase;
    margin-bottom: 6px;
}
.stat-value { font-size: 1.55rem; font-weight: 700; color: var(--text-primary); }
.stat-trend { font-size: 0.78rem; color: var(--text-tertiary); margin-top: 4px; }

/* ─── Data table (admin/users etc.) ───────────────────── */
.data-table {
    width: 100%; border-collapse: separate; border-spacing: 0;
    font-size: 0.9rem;
}
.data-table thead th {
    text-align: left; padding: 10px 12px;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.74rem; font-weight: 700; letter-spacing: 0.05em;
    color: var(--text-secondary); text-transform: uppercase;
}
.data-table tbody td {
    padding: 12px;
    border-bottom: 1px solid var(--border-subtle);
}
.data-table tbody tr:hover { background: var(--bg-soft); }
.data-table .badge {
    display: inline-block; padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.72rem; font-weight: 600; letter-spacing: 0.03em;
    text-transform: uppercase;
}
.badge-success { background: #ECFDF5; color: var(--success); }
.badge-warn    { background: #FEF3C7; color: var(--warning); }
.badge-neutral { background: var(--bg-muted); color: var(--text-secondary); }
.badge-admin   { background: var(--warning); color: white; }

/* ─── Footer ──────────────────────────────────────────── */
.page-foot {
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-base);
    margin-top: 40px;
    padding: 14px 24px;
    color: var(--text-tertiary);
    font-size: 0.82rem;
}
.foot-inner {
    max-width: 1180px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
}

/* ─── Loading + empty states ───────────────────────────── */
.loading-text { color: var(--text-tertiary); font-style: italic; }
.empty-state {
    background: var(--bg-soft);
    border: 1px dashed var(--border-subtle);
    border-radius: 10px;
    padding: 28px;
    text-align: center;
    color: var(--text-tertiary);
}
.empty-state strong { color: var(--text-secondary); display: block; margin-bottom: 4px; }