/* ============================================================
   MIMS — Medical Inventory Management System
   College of Royal Aesthetic of Sri Lanka
   Custom Stylesheet v1.0
   ============================================================ */

:root {
  --mims-primary:   #1B4F72;
  --mims-secondary: #2E86AB;
  --mims-accent:    #A8D5E2;
  --mims-success:   #1E8449;
  --mims-warning:   #E67E22;
  --mims-danger:    #C0392B;
  --mims-purple:    #8E44AD;
  --sidebar-width:  240px;
  --navbar-height:  56px;
}

/* ── Body ───────────────────────────────────────────────────── */
body {
  background: #F4F6F9;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 14px;
}

/* ── Navbar ─────────────────────────────────────────────────── */
.mims-navbar {
  background: linear-gradient(135deg, var(--mims-primary) 0%, var(--mims-secondary) 100%);
  height: var(--navbar-height);
  z-index: 1030;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.mims-navbar .btn-link { text-decoration: none; }
.brand-icon {
  width: 34px; height: 34px;
  background: rgba(255,255,255,0.2);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: white;
}
.brand-title { font-size: 15px; font-weight: 700; color: white; line-height: 1; }
.brand-subtitle { font-size: 10px; color: rgba(255,255,255,0.7); line-height: 1; }
.user-avatar {
  width: 32px; height: 32px;
  background: rgba(255,255,255,0.25);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: white;
}
.nav-icon-btn {
  color: white; text-decoration: none; padding: 4px 8px;
  border-radius: 6px; transition: background 0.2s;
}
.nav-icon-btn:hover { background: rgba(255,255,255,0.15); }

/* ── Sidebar ─────────────────────────────────────────────────── */
.mims-sidebar {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: #1a2332;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 1020;
  transition: width 0.25s ease, transform 0.25s ease;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}
.mims-sidebar::-webkit-scrollbar { width: 4px; }
.mims-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

.sidebar-nav { padding: 12px 0 24px; }

.sidebar-section-label {
  font-size: 10px; font-weight: 700; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.35);
  padding: 16px 20px 4px;
  text-transform: uppercase;
}

.sidebar-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 20px;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: 13.5px;
  transition: all 0.18s;
  border-left: 3px solid transparent;
  white-space: nowrap;
}
.sidebar-link i { font-size: 16px; flex-shrink: 0; width: 20px; text-align: center; }
.sidebar-link:hover {
  color: white;
  background: rgba(255,255,255,0.07);
  border-left-color: var(--mims-secondary);
}
.sidebar-link.active {
  color: white;
  background: rgba(46,134,171,0.25);
  border-left-color: var(--mims-secondary);
  font-weight: 600;
}
.sidebar-collapsed .mims-sidebar { width: 60px; }
.sidebar-collapsed .sidebar-link span,
.sidebar-collapsed .sidebar-section-label { display: none; }
.sidebar-collapsed .sidebar-link { padding: 10px; justify-content: center; }

/* ── Main Content ────────────────────────────────────────────── */
.mims-main {
  margin-left: var(--sidebar-width);
  margin-top: var(--navbar-height);
  padding: 0;
  min-height: calc(100vh - var(--navbar-height));
  transition: margin-left 0.25s ease;
}
.sidebar-collapsed .mims-main { margin-left: 60px; }

/* ── Page Header ─────────────────────────────────────────────── */
.page-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 16px 24px 12px;
  background: white;
  border-bottom: 1px solid #e9ecef;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.page-title { font-size: 18px; font-weight: 700; color: var(--mims-primary); }
.breadcrumb { margin-bottom: 0; }
.breadcrumb-item a { color: var(--mims-secondary); text-decoration: none; }
.page-content { padding: 20px 24px; }

/* ── KPI Cards ───────────────────────────────────────────────── */
.kpi-card {
  background: white; border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  overflow: hidden; height: 100%;
  display: flex; flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}
.kpi-card:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,0.1); }
.kpi-card .kpi-icon {
  padding: 16px 16px 0;
  font-size: 26px;
}
.kpi-card .kpi-body { padding: 8px 16px 0; flex: 1; }
.kpi-card .kpi-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: #6c757d; }
.kpi-card .kpi-value { font-size: 28px; font-weight: 800; line-height: 1.1; }
.kpi-card .kpi-link {
  display: block; padding: 8px 16px;
  font-size: 11px; text-decoration: none; font-weight: 600;
  border-top: 1px solid rgba(0,0,0,0.05);
  margin-top: 10px; transition: opacity 0.2s;
}
.kpi-card .kpi-link:hover { opacity: 0.75; }

.kpi-primary .kpi-icon { color: var(--mims-primary); }
.kpi-primary .kpi-value { color: var(--mims-primary); }
.kpi-primary .kpi-link { color: var(--mims-primary); background: rgba(27,79,114,0.05); }

.kpi-warning .kpi-icon { color: var(--mims-warning); }
.kpi-warning .kpi-value { color: var(--mims-warning); }
.kpi-warning .kpi-link { color: var(--mims-warning); background: rgba(230,126,34,0.05); }

.kpi-danger .kpi-icon { color: var(--mims-danger); }
.kpi-danger .kpi-value { color: var(--mims-danger); }
.kpi-danger .kpi-link { color: var(--mims-danger); background: rgba(192,57,43,0.05); }

.kpi-success .kpi-icon { color: var(--mims-success); }
.kpi-success .kpi-value { color: var(--mims-success); }
.kpi-success .kpi-link { color: var(--mims-success); background: rgba(30,132,73,0.05); }

.kpi-info .kpi-icon { color: var(--mims-secondary); }
.kpi-info .kpi-value { color: var(--mims-secondary); }
.kpi-info .kpi-link { color: var(--mims-secondary); background: rgba(46,134,171,0.05); }

.kpi-purple .kpi-icon { color: var(--mims-purple); }
.kpi-purple .kpi-value { color: var(--mims-purple); }
.kpi-purple .kpi-link { color: var(--mims-purple); background: rgba(142,68,173,0.05); }

/* ── Activity Feed ───────────────────────────────────────────── */
.activity-feed { max-height: 340px; overflow-y: auto; }
.activity-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 16px; border-bottom: 1px solid #f0f0f0;
}
.activity-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--mims-primary); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; flex-shrink: 0;
}
.activity-content { flex: 1; min-width: 0; }
.activity-time { white-space: nowrap; flex-shrink: 0; }

/* ── Auth Page ───────────────────────────────────────────────── */
.auth-body {
  background: linear-gradient(135deg, #1B4F72 0%, #2E86AB 50%, #1E8449 100%);
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.auth-wrapper { width: 100%; max-width: 420px; }
.auth-card {
  background: white; border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  padding: 36px 32px;
}
.auth-logo-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: linear-gradient(135deg, var(--mims-primary), var(--mims-secondary));
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: white;
  box-shadow: 0 8px 20px rgba(27,79,114,0.3);
}
.btn-toggle-pw { background: transparent; border: 1px solid #dee2e6; border-left: none; cursor: pointer; }

/* ── Allocation Page ─────────────────────────────────────────── */
.category-header { position: sticky; top: 0; z-index: 5; }
.allocation-item:hover { background: #f8f9fa; }
.allocation-item { transition: background 0.15s; }

/* ── Tables ──────────────────────────────────────────────────── */
.table th { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
.table td { font-size: 13.5px; vertical-align: middle; }
.table-dark th { background: var(--mims-primary); border-color: rgba(255,255,255,0.1); }

/* ── Cards ───────────────────────────────────────────────────── */
.card { border-radius: 10px; }
.card-header { border-radius: 10px 10px 0 0 !important; }

/* ── Badges ──────────────────────────────────────────────────── */
.badge { font-weight: 600; }

/* ── Forms ───────────────────────────────────────────────────── */
.form-control:focus, .form-select:focus {
  border-color: var(--mims-secondary);
  box-shadow: 0 0 0 0.2rem rgba(46,134,171,0.2);
}
.form-label { font-size: 13px; margin-bottom: 4px; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-primary { background: var(--mims-primary); border-color: var(--mims-primary); }
.btn-primary:hover { background: #154360; border-color: #154360; }
.btn-info { background: var(--mims-secondary); border-color: var(--mims-secondary); }

/* ── Pagination ──────────────────────────────────────────────── */
.pagination .page-link { color: var(--mims-primary); }
.pagination .page-item.active .page-link { background: var(--mims-primary); border-color: var(--mims-primary); }

/* ── Alerts ──────────────────────────────────────────────────── */
.alert { border-radius: 8px; border: none; }
.alert-warning { background: #FEF9E7; color: #7D6608; }
.alert-danger  { background: #FDEDEC; color: #922B21; }
.alert-success { background: #EAFAF1; color: #1E8449; }
.alert-info    { background: #EBF5FB; color: #1A5276; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .mims-sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width);
  }
  .mims-sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0,0,0,0.3);
  }
  .mims-main { margin-left: 0; }
  .page-content { padding: 14px 16px; }
  .page-header { padding: 12px 16px; }
}

@media (max-width: 575.98px) {
  .auth-card { padding: 24px 20px; }
  .kpi-value { font-size: 22px; }
}

/* ── Utility ─────────────────────────────────────────────────── */
code { background: #f1f3f4; padding: 1px 5px; border-radius: 4px; font-size: 12px; color: #C0392B; }
.sticky-top { top: 80px; }