/* ============================================================
   EliteHealth — Design System
   Minimalist · Modern · Medical
   Font: DM Sans (body) + DM Mono (codes)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=DM+Mono:wght@400;500&display=swap');

/* ── Tokens ─────────────────────────────────────────────────── */
:root {
  --bg:           #f7f8fa;
  --surface:      #ffffff;
  --surface-2:    #f1f3f7;
  --border:       #e4e7ed;
  --border-strong:#c9cdd8;

  --text-1:       #0f1117;
  --text-2:       #4a5060;
  --text-3:       #8b91a0;

  --accent:       #1a56db;
  --accent-light: #e8effd;
  --accent-hover: #1546c0;

  --danger:       #dc2626;
  --danger-light: #fef2f2;
  --success:      #16a34a;
  --success-light:#f0fdf4;
  --warning:      #d97706;
  --warning-light:#fffbeb;

  --sidebar-w:    240px;
  --topbar-h:     56px;
  --radius:       8px;
  --radius-lg:    12px;

  --shadow-sm:    0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow:       0 4px 12px rgba(0,0,0,.07), 0 1px 3px rgba(0,0,0,.04);
  --shadow-lg:    0 12px 32px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.05);

  --font:         'DM Sans', system-ui, sans-serif;
  --font-mono:    'DM Mono', monospace;

  --transition:   150ms ease;
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); background: var(--bg); color: var(--text-1);
       line-height: 1.6; min-height: 100vh; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
img { display: block; max-width: 100%; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

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

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-logo {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-logo .logo-mark {
  width: 30px; height: 30px;
  background: var(--accent);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sidebar-logo .logo-mark svg { color: #fff; }
.sidebar-logo .logo-text {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.2;
}
.sidebar-logo .logo-text span {
  display: block;
  font-size: .7rem;
  font-weight: 400;
  color: var(--text-3);
  letter-spacing: .02em;
}

/* Office switcher */
.office-switcher {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.office-switcher form { display: flex; flex-direction: column; gap: 6px; }
.office-switcher label {
  font-size: .68rem;
  font-weight: 500;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.office-switcher select {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text-1);
  font-size: .82rem;
  font-weight: 500;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b91a0' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

/* Nav */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.nav-section-label {
  font-size: .67rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 14px 20px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  margin: 1px 8px;
  border-radius: var(--radius);
  color: var(--text-2);
  font-size: .875rem;
  font-weight: 400;
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}
.nav-item:hover { background: var(--surface-2); color: var(--text-1); }
.nav-item.active {
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 500;
}
.nav-item .nav-icon {
  width: 18px; height: 18px;
  opacity: .7;
  flex-shrink: 0;
}
.nav-item.active .nav-icon { opacity: 1; }

/* User block */
.sidebar-user {
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.user-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem;
  font-weight: 600;
  flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-info .name {
  font-size: .82rem;
  font-weight: 500;
  color: var(--text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-info .role {
  font-size: .72rem;
  color: var(--text-3);
}
.logout-btn {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  color: var(--text-3);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.logout-btn:hover { background: var(--danger-light); color: var(--danger); }

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

/* Top bar */
.topbar {
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-1);
  flex: 1;
}
.topbar-actions { display: flex; align-items: center; gap: 8px; }

/* Sub-nav (patient tabs) */
.subnav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 2px;
  overflow-x: auto;
}
.subnav-tab {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  height: 42px;
  font-size: .835rem;
  color: var(--text-2);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
  cursor: pointer;
}
.subnav-tab:hover { color: var(--text-1); }
.subnav-tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 500; }

/* Page content */
.page-content { padding: 28px 24px; }
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}
.page-header h1 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.3;
}
.page-header p {
  font-size: .85rem;
  color: var(--text-2);
  margin-top: 3px;
}

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.card-title {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-1);
}

/* ── Stat cards ──────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
}
.stat-card .stat-label {
  font-size: .75rem;
  font-weight: 500;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .05em;
}
.stat-card .stat-value {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.2;
  margin-top: 4px;
}
.stat-card .stat-sub {
  font-size: .78rem;
  color: var(--text-3);
  margin-top: 4px;
}
.stat-card.accent .stat-value { color: var(--accent); }
.stat-card.success .stat-value { color: var(--success); }
.stat-card.warning .stat-value { color: var(--warning); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-outline { background: transparent; color: var(--text-2); border-color: var(--border); }
.btn-outline:hover { background: var(--surface-2); color: var(--text-1); }
.btn-danger  { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover  { background: var(--danger-light); }
.btn-sm { padding: 5px 10px; font-size: .78rem; }
.btn-icon { padding: 7px; border-radius: var(--radius); }

/* ── Forms ───────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-label {
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-2);
}
.form-control {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-1);
  font-size: .875rem;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(26,86,219,.12);
}
.form-control::placeholder { color: var(--text-3); }
.form-hint { font-size: .75rem; color: var(--text-3); }
.form-error { font-size: .78rem; color: var(--danger); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ── Table ───────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: .855rem; }
thead th {
  background: var(--surface-2);
  padding: 10px 14px;
  text-align: left;
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .05em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody tr { transition: background var(--transition); }
tbody tr:hover { background: var(--surface-2); }
tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-1);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 500;
  white-space: nowrap;
}
.badge-blue    { background: var(--accent-light);   color: var(--accent);  }
.badge-green   { background: var(--success-light);  color: var(--success); }
.badge-red     { background: var(--danger-light);   color: var(--danger);  }
.badge-yellow  { background: var(--warning-light);  color: var(--warning); }
.badge-gray    { background: var(--surface-2);      color: var(--text-2);  }

/* ── Alert ───────────────────────────────────────────────────── */
.alert {
  padding: 12px 14px;
  border-radius: var(--radius);
  font-size: .855rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.alert-error   { background: var(--danger-light);  color: var(--danger);  border: 1px solid #fca5a5; }
.alert-success { background: var(--success-light); color: var(--success); border: 1px solid #86efac; }

/* ── Login page ──────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 20px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-lg);
}
.login-card .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
}
.login-card .brand-mark {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
}
.login-card .brand-mark svg { color: #fff; }
.login-card .brand-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-1);
}
.login-card .brand-name span {
  display: block;
  font-size: .72rem;
  font-weight: 400;
  color: var(--text-3);
}
.login-card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.login-card p.sub {
  font-size: .85rem;
  color: var(--text-2);
  margin-bottom: 24px;
}
.login-card .form-group + .form-group { margin-top: 14px; }
.login-card .btn-primary {
  width: 100%;
  justify-content: center;
  padding: 10px;
  margin-top: 22px;
  font-size: .9rem;
}
.login-footer {
  margin-top: 28px;
  text-align: center;
  font-size: .75rem;
  color: var(--text-3);
}

/* ── Utilities ───────────────────────────────────────────────── */
.flex   { display: flex; }
.gap-2  { gap: 8px; }
.gap-3  { gap: 12px; }
.gap-4  { gap: 16px; }
.mt-4   { margin-top: 16px; }
.mt-6   { margin-top: 24px; }
.text-sm { font-size: .82rem; }
.text-muted { color: var(--text-3); }
.font-mono  { font-family: var(--font-mono); font-size: .82rem; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
}