/* ═══════════════════════════════════════════════════════════════
   MEDICOS SaaS — Design System
   Premium dark theme compatible with cPanel shared hosting
   ═══════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Colors */
    --bg-body:       #0f1117;
    --bg-sidebar:    #161822;
    --bg-card:       #1a1d2e;
    --bg-card-hover: #1f2337;
    --bg-input:      #1e2235;
    --bg-table-row:  #16192a;
    --bg-modal:      rgba(0,0,0,0.6);

    --border:        #2a2e42;
    --border-light:  #353a52;

    --text-primary:  #e8eaf0;
    --text-secondary:#8b8fa7;
    --text-muted:    #5c6078;
    --text-white:    #ffffff;

    --accent:        #6366f1;
    --accent-hover:  #818cf8;
    --accent-soft:   rgba(99,102,241,0.15);
    --success:       #22c55e;
    --success-soft:  rgba(34,197,94,0.15);
    --warning:       #f59e0b;
    --warning-soft:  rgba(245,158,11,0.15);
    --danger:        #ef4444;
    --danger-soft:   rgba(239,68,68,0.15);
    --info:          #3b82f6;
    --info-soft:     rgba(59,130,246,0.15);

    /* Layout */
    --sidebar-width: 260px;
    --topbar-height: 64px;
    --radius:        10px;
    --radius-sm:     6px;
    --shadow:        0 4px 24px rgba(0,0,0,0.25);
    --shadow-sm:     0 2px 8px rgba(0,0,0,0.2);
    --transition:    all 0.2s ease;
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }

/* ── Login Page ────────────────────────────────────────────── */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f1117 0%, #1a1d2e 50%, #161822 100%);
    padding: 1rem;
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow);
}
.login-card .logo {
    text-align: center;
    margin-bottom: 2rem;
}
.login-card .logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent) 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.login-card .logo p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}
.login-error {
    background: var(--danger-soft);
    color: var(--danger);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.85rem;
    border: 1px solid rgba(239,68,68,0.2);
}

/* ── Admin Layout ──────────────────────────────────────────── */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0; left: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.3s ease;
}
.sidebar-brand {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    border-bottom: 1px solid var(--border);
}
.sidebar-brand h2 {
    font-size: 1.15rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0;
}
.nav-section {
    padding: 0.5rem 1.25rem 0.25rem;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 400;
    transition: var(--transition);
    border-left: 3px solid transparent;
}
.nav-item:hover {
    background: var(--accent-soft);
    color: var(--text-primary);
}
.nav-item.active {
    background: var(--accent-soft);
    color: var(--accent);
    border-left-color: var(--accent);
    font-weight: 500;
}
.nav-item .icon { font-size: 1.1rem; width: 20px; text-align: center; }
.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Topbar */
.topbar {
    height: var(--topbar-height);
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar-left { display: flex; align-items: center; gap: 1rem; }
.topbar-right { display: flex; align-items: center; gap: 1rem; }
.topbar h3 { font-size: 1.1rem; font-weight: 600; }
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
}
.user-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    padding: 0.4rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.user-badge .avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.7rem;
}
.btn-logout {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* Page Content */
.page-content { flex: 1; padding: 1.5rem; }
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}
.page-header h2 { font-size: 1.35rem; font-weight: 600; }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    transition: var(--transition);
}
.stat-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.stat-card .stat-icon {
    width: 40px; height: 40px; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; margin-bottom: 0.75rem;
}
.stat-card .stat-icon.purple  { background: var(--accent-soft); color: var(--accent); }
.stat-card .stat-icon.green   { background: var(--success-soft); color: var(--success); }
.stat-card .stat-icon.orange  { background: var(--warning-soft); color: var(--warning); }
.stat-card .stat-icon.blue    { background: var(--info-soft); color: var(--info); }
.stat-card .stat-icon.red     { background: var(--danger-soft); color: var(--danger); }
.stat-card .stat-value { font-size: 1.75rem; font-weight: 700; }
.stat-card .stat-label { color: var(--text-secondary); font-size: 0.8rem; margin-top: 0.15rem; }

/* ── Tables ────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}
tbody td {
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}
tbody tr { transition: var(--transition); }
tbody tr:hover { background: var(--bg-card-hover); }
.table-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ── Badges ────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.badge-active, .badge-completed, .badge-paid { background: var(--success-soft); color: var(--success); }
.badge-trial, .badge-scheduled, .badge-draft { background: var(--info-soft); color: var(--info); }
.badge-inactive, .badge-cancelled, .badge-suspended { background: var(--danger-soft); color: var(--danger); }
.badge-open, .badge-confirmed, .badge-issued { background: var(--warning-soft); color: var(--warning); }
.badge-locked, .badge-no_show, .badge-expired { background: var(--danger-soft); color: var(--danger); }
.badge-in_progress, .badge-partial { background: var(--accent-soft); color: var(--accent); }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}
.btn-primary {
    background: var(--accent);
    color: white;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger { background: var(--danger-soft); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: white; }
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.75rem; }
.btn-block { width: 100%; justify-content: center; }

/* ── Forms ──────────────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}
.form-control {
    width: 100%;
    padding: 0.6rem 0.85rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control { appearance: none; cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* ── Modal ─────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 1rem;
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1rem; font-weight: 600; }
.modal-close {
    background: none; border: none; color: var(--text-muted);
    font-size: 1.4rem; cursor: pointer; line-height: 1;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 1.25rem; }
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
}

/* ── Alerts ────────────────────────────────────────────────── */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.alert-success { background: var(--success-soft); color: var(--success); border: 1px solid rgba(34,197,94,0.2); }
.alert-danger  { background: var(--danger-soft);  color: var(--danger);  border: 1px solid rgba(239,68,68,0.2); }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .menu-toggle { display: block; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .page-header { flex-wrap: wrap; gap: 0.75rem; }
    .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .topbar h3 { display: none; }
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ── Utility ───────────────────────────────────────────────── */
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt-1 { margin-top: 0.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.d-flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.actions { display: flex; gap: 0.35rem; }