/* =============================================
   Caelis Health — Modern Clinical Analytics UI
   ============================================= */

:root {
    --bg: #0a1428;
    --bg-2: #0f1d3a;
    --surface: rgba(255, 255, 255, 0.04);
    --surface-2: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(99, 179, 237, 0.45);
    --text: #e6edf7;
    --text-dim: #9aa5b8;
    --text-muted: #6b7689;
    --teal: #06b6d4;
    --blue: #3b82f6;
    --indigo: #6366f1;
    --purple: #a78bfa;
    --pink: #ec4899;
    --green: #10b981;
    --orange: #f59e0b;
    --red: #ef4444;
    --gradient-primary: linear-gradient(135deg, #06b6d4, #3b82f6, #6366f1);
    --radius: 14px;
    --radius-lg: 20px;
    --shadow-glow: 0 8px 32px rgba(6, 182, 212, 0.12);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Background orbs */
.bg-orbs { position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.3;
}
.orb-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #06b6d4 0%, transparent 70%);
    top: -10%; left: -10%;
}
.orb-2 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, #6366f1 0%, transparent 70%);
    bottom: -20%; right: -10%;
}

/* ===================== Sidebar ===================== */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: 240px; height: 100vh;
    background: rgba(10, 20, 40, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    padding: 24px 18px;
    z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 0 8px 28px; }
.brand-icon {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: var(--gradient-primary);
    display: flex; align-items: center; justify-content: center;
    color: white;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
    animation: heartbeat 2s ease-in-out infinite;
}
@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    14% { transform: scale(1.12); }
    28% { transform: scale(1); }
    42% { transform: scale(1.12); }
    70% { transform: scale(1); }
}
.brand-name {
    font-weight: 800;
    font-size: 19px;
    background: linear-gradient(135deg, #22d3ee, #818cf8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.sidebar-nav a {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 14px;
    color: var(--text-dim);
    text-decoration: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    transition: background var(--transition), color var(--transition);
}
.sidebar-nav a:hover { background: var(--surface); color: var(--text); }
.sidebar-nav a.active {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), rgba(99, 102, 241, 0.12));
    color: var(--text);
    border: 1px solid var(--border);
}
.sidebar-nav a.active svg { color: var(--teal); }
.sidebar-footer { margin-top: auto; }
.env-badge {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-dim);
    font-size: 12px;
}
.env-badge .dot {
    width: 8px; height: 8px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
    70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ===================== Main ===================== */
.main {
    margin-left: 240px;
    padding: 32px 40px 60px;
    position: relative;
    z-index: 1;
}
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 32px;
    gap: 24px;
}
.topbar h1 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 6px;
}
.topbar .subtitle { color: var(--text-dim); font-size: 14px; }
.pulse-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 12px;
    color: var(--text-dim);
    backdrop-filter: blur(10px);
}
.pulse-dot {
    width: 8px; height: 8px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
    animation: pulse-dot 2s infinite;
}

/* ===================== KPIs ===================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    margin-bottom: 28px;
}
.kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 22px 22px 20px;
    transition: transform var(--transition), border-color var(--transition);
    position: relative;
    overflow: hidden;
}
.kpi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0.85;
}
.kpi-card:hover { transform: translateY(-3px); border-color: var(--border-hover); }
.kpi-blue::before { background: linear-gradient(90deg, #3b82f6, #6366f1); }
.kpi-teal::before { background: linear-gradient(90deg, #06b6d4, #10b981); }
.kpi-purple::before { background: linear-gradient(90deg, #a78bfa, #6366f1); }
.kpi-orange::before { background: linear-gradient(90deg, #f59e0b, #ec4899); }
.kpi-pink::before { background: linear-gradient(90deg, #ec4899, #a78bfa); }
.kpi-icon {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: var(--surface-2);
    display: flex; align-items: center; justify-content: center;
    color: var(--teal);
    margin-bottom: 16px;
}
.kpi-blue .kpi-icon { color: var(--blue); }
.kpi-teal .kpi-icon { color: var(--teal); }
.kpi-purple .kpi-icon { color: var(--purple); }
.kpi-orange .kpi-icon { color: var(--orange); }
.kpi-pink .kpi-icon { color: var(--pink); }
.kpi-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}
.kpi-value {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 6px;
}
.kpi-unit {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dim);
    margin-left: 4px;
}
.kpi-trend { color: var(--text-dim); font-size: 12.5px; }

/* ===================== Charts ===================== */
.chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}
.chart-grid .span-2 { grid-column: span 2; }
.chart-card {
    background: var(--surface);
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 22px;
    transition: border-color var(--transition);
}
.chart-card:hover { border-color: var(--border-hover); }
.chart-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 18px; }
.chart-header h3 {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.2px;
    margin-bottom: 4px;
}
.chart-header p { color: var(--text-dim); font-size: 12.5px; }

/* Chart canvases — fixed-height wrappers so Chart.js can't infinite-grow */
.chart-canvas-wrap {
    position: relative;
    width: 100%;
    height: 280px;
}
.chart-canvas-wrap.tall { height: 320px; }
.chart-canvas-wrap canvas {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
}

/* ===================== Footer ===================== */
.dashboard-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 12.5px;
}

/* ===================== Responsive ===================== */
@media (max-width: 1100px) {
    .chart-grid .span-2 { grid-column: span 1; }
}
@media (max-width: 800px) {
    .sidebar { width: 64px; padding: 18px 8px; }
    .brand-name, .sidebar-nav a span, .env-badge span:not(.dot) { display: none; }
    .sidebar-nav a { justify-content: center; padding: 12px; }
    .main { margin-left: 64px; padding: 22px; }
    .topbar { flex-direction: column; align-items: flex-start; }
    .topbar h1 { font-size: 22px; }
}

/* =============================================
   Data tables + filters + pills (Patients, Visits, Clinical pages)
   ============================================= */
.data-card {
    background: var(--surface);
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 28px;
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.data-table thead th {
    text-align: left;
    padding: 14px 22px;
    background: rgba(255,255,255,0.03);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border);
}
.data-table tbody td {
    padding: 14px 22px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}
.data-table tbody tr:hover { background: rgba(255,255,255,0.025); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table .empty { text-align: center; color: var(--text-muted); padding: 30px; }
.mono { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--text-dim); }

.patient-cell { display: flex; align-items: center; gap: 12px; }
.avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.25);
}
.patient-cell .primary { font-weight: 600; color: var(--text); }
.patient-cell .meta { font-size: 11.5px; color: var(--text-muted); margin-top: 2px; }

.pill {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 11.5px;
    font-weight: 600;
    background: var(--surface-2);
    color: var(--text-dim);
}
.pill-female { background: rgba(167, 139, 250, 0.15); color: #c4b5fd; }
.pill-male   { background: rgba(59, 130, 246, 0.15); color: #93c5fd; }
.pill-other  { background: rgba(245, 158, 11, 0.15); color: #fcd34d; }

.pill-status-completed { background: rgba(16, 185, 129, 0.15); color: #6ee7b7; }
.pill-status-noshow    { background: rgba(245, 158, 11, 0.15); color: #fcd34d; }
.pill-status-cancelled { background: rgba(239, 68, 68, 0.15); color: #fca5a5; }

/* Filter bar */
.filter-bar {
    display: flex;
    align-items: flex-end;
    gap: 14px;
    flex-wrap: wrap;
    background: var(--surface);
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 22px;
}
.filter-group { display: flex; flex-direction: column; gap: 6px; }
.filter-group label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}
.filter-group input, .filter-group select {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    font-family: inherit;
    min-width: 200px;
    outline: none;
    transition: border-color var(--transition);
}
.filter-group input:focus, .filter-group select:focus {
    border-color: var(--teal);
}
.btn-filter, .btn-clear {
    padding: 9px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition);
    font-family: inherit;
}
.btn-filter {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}
.btn-filter:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45); }
.btn-clear {
    background: var(--surface);
    color: var(--text-dim);
    border: 1px solid var(--border);
}
.btn-clear:hover { color: var(--text); }

/* Pagination */
.pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 20px;
    border-top: 1px solid var(--border);
}
.page-link {
    padding: 8px 16px;
    border-radius: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 600;
    transition: background var(--transition);
}
.page-link:hover { background: var(--surface-2); }
.page-info { color: var(--text-dim); font-size: 13.5px; }