/* =========================================================
   Dr. Sikander Hospital — Staff Portal
   Design tokens
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600&display=swap');

:root {
    /* Surfaces */
    --ink: #0B1420;
    --surface: #121E2C;
    --surface-raised: #17283A;
    --border: #223349;
    --border-soft: #1B2A3D;

    /* Text */
    --text: #EAF1F7;
    --text-muted: #8CA0B3;
    --text-faint: #5D7186;

    /* Brand */
    --teal: #22D3B0;
    --teal-dark: #17A98A;
    --amber: #F2A93B;
    --coral: #F0648C;
    --violet: #8B7CF6;
    --blue: #4FA8F0;

    --success: #22D3B0;
    --error: #F0648C;

    --font-display: 'Space Grotesk', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    /* legacy aliases used throughout existing markup */
    --primary: var(--teal);
    --primary-dark: var(--teal-dark);
    --bg: var(--ink);
    --sidebar-bg: #0D1826;
    --sidebar-text: #7E93A7;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--ink);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .sidebar-logo { font-family: var(--font-display); letter-spacing: -0.01em; }

/* ---------- Auth pages ---------- */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background:
        radial-gradient(circle at 15% 20%, rgba(34,211,176,0.08), transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(139,124,246,0.08), transparent 40%),
        var(--ink);
}

.auth-box {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 14px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.35);
    width: 360px;
}

.auth-box h1 {
    font-size: 21px;
    margin: 0 0 4px;
    color: var(--text);
}

.auth-box h2 {
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font-body);
    color: var(--text-muted);
    margin: 0 0 20px;
}

/* ---------- Forms ---------- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text-muted); }
.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: var(--surface-raised);
    color: var(--text);
    font-family: var(--font-body);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-faint); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(34,211,176,0.15);
}

.btn {
    display: inline-block;
    padding: 10px 18px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    text-decoration: none;
}
.btn-primary { background: var(--teal); color: #06231C; width: 100%; }
.btn-primary:hover { background: var(--teal-dark); }
.btn-logout { background: var(--surface-raised); border: 1px solid var(--border); color: var(--text); width: 100%; text-align: center; margin-top: 10px; }

.alert { padding: 10px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; border: 1px solid transparent; }
.alert-error { background: rgba(240,100,140,0.12); color: var(--coral); border-color: rgba(240,100,140,0.3); }
.alert-success { background: rgba(34,211,176,0.12); color: var(--teal); border-color: rgba(34,211,176,0.3); }

/* ---------- App shell ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 230px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    padding: 20px 16px;
    border-right: 1px solid var(--border-soft);
    flex-shrink: 0;
}
.sidebar-logo { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 600; font-size: 16px; margin-bottom: 24px; }
.sidebar-logo .logo-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 8px var(--teal); flex-shrink: 0; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar nav a {
    color: var(--sidebar-text);
    text-decoration: none;
    padding: 9px 10px;
    border-radius: 7px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar nav a svg { flex-shrink: 0; opacity: 0.8; }
.sidebar nav a:hover { background: var(--surface-raised); color: var(--text); }
.sidebar nav a.active { background: rgba(34,211,176,0.12); color: var(--teal); }
.nav-disabled { color: #3A4A5C !important; cursor: not-allowed; }
.nav-section { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-faint); margin: 14px 0 4px 10px; }

.sidebar-footer { border-top: 1px solid var(--border-soft); padding-top: 14px; margin-top: 14px; }
.user-chip { display: flex; flex-direction: column; margin-bottom: 8px; }
.user-chip strong { color: var(--text); font-size: 14px; }
.user-chip span { font-size: 12px; color: var(--text-faint); }

.content { flex: 1; padding: 32px 40px; min-width: 0; }
.content h1 { margin: 0 0 4px; font-size: 22px; }
.subtitle { color: var(--text-muted); margin: 0 0 20px; }

.card, .card-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    max-width: 480px;
}

.form-wide { max-width: 720px; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    background: var(--surface-raised);
    color: var(--text);
}
.hint { font-size: 12px; color: var(--text-muted); margin: 4px 0 0; }

.btn-secondary { background: var(--surface-raised); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-link { background: transparent; color: var(--text-muted); padding: 10px 14px; }
.btn-link:hover { color: var(--text); }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 16px;
    flex-wrap: wrap;
}

.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}
.search-bar input,
.search-bar select {
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: var(--surface-raised);
    color: var(--text);
}
.search-bar input[type="text"] { min-width: 240px; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}
.data-table th, .data-table td {
    text-align: left;
    padding: 12px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-soft);
}
.data-table th {
    background: var(--surface-raised);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--text-muted);
    font-weight: 600;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.data-table a { color: var(--teal); text-decoration: none; }
.data-table a:hover { text-decoration: underline; }
.data-table .mono { font-family: var(--font-mono); font-size: 13px; color: var(--text-muted); }
.empty-row { text-align: center; color: var(--text-faint); padding: 24px !important; }

.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .02em;
}
.status-scheduled { background: rgba(79,168,240,0.15); color: var(--blue); }
.status-completed { background: rgba(34,211,176,0.15); color: var(--teal); }
.status-cancelled { background: rgba(240,100,140,0.15); color: var(--coral); }
.status-no_show { background: rgba(242,169,59,0.15); color: var(--amber); }

.inline-form { display: inline-flex; gap: 8px; }
.btn-link-action {
    background: none;
    border: none;
    color: var(--teal);
    font-size: 13px;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
    font-family: var(--font-body);
}
.btn-link-danger { color: var(--coral); }

.section-title { font-family: var(--font-display); font-size: 16px; margin: 28px 0 12px; color: var(--text); }

.detail-grid { margin-bottom: 8px; }
.detail-grid .card { max-width: 640px; }
.detail-list { display: grid; grid-template-columns: 160px 1fr; row-gap: 10px; margin: 0; }
.detail-list dt { font-size: 13px; color: var(--text-muted); font-weight: 600; }
.detail-list dd { margin: 0; font-size: 14px; }

/* =========================================================
   Dashboard overview — stat cards, charts, vitals signature
   ========================================================= */
.dash-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    gap: 20px;
    flex-wrap: wrap;
}
.dash-greeting h1 { font-size: 24px; margin: 0; }
.dash-greeting .subtitle { margin: 4px 0 0; }

.vitals-line { display: block; margin-top: 10px; opacity: 0.85; }
.vitals-line path {
    stroke: var(--teal);
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 300;
    stroke-dashoffset: 300;
    animation: vitals-draw 2.4s ease-in-out infinite;
}
@keyframes vitals-draw {
    0%   { stroke-dashoffset: 300; }
    45%  { stroke-dashoffset: 0; }
    55%  { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -300; }
}
@media (prefers-reduced-motion: reduce) {
    .vitals-line path { animation: none; stroke-dashoffset: 0; }
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--stat-color, var(--teal));
    border-radius: 12px;
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.stat-card .stat-top { display: flex; justify-content: space-between; align-items: flex-start; }
.stat-card .stat-label { font-size: 12px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.stat-card .stat-icon {
    width: 34px; height: 34px; border-radius: 9px;
    display: flex; align-items: center; justify-content: center;
    background: color-mix(in srgb, var(--stat-color, var(--teal)) 16%, transparent);
    color: var(--stat-color, var(--teal));
    flex-shrink: 0;
}
.stat-card .stat-value { font-family: var(--font-display); font-size: 30px; font-weight: 600; color: var(--text); }
.stat-card .stat-foot { font-size: 12px; color: var(--text-faint); }

.chart-row {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}
@media (max-width: 900px) { .chart-row { grid-template-columns: 1fr; } }

.chart-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 22px;
    max-width: none;
}
.chart-card h3 { margin: 0 0 2px; font-size: 15px; }
.chart-card .chart-sub { font-size: 12px; color: var(--text-faint); margin: 0 0 14px; }
.chart-card canvas { max-height: 220px; }

.legend-row { display: flex; gap: 16px; margin-top: 14px; flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

.quick-actions { display: flex; gap: 10px; flex-wrap: wrap; }