/* ============================================================
   Seagrass Information Application - Suyac Island
   Main Stylesheet
   ============================================================ */

/* ── CSS Custom Properties ─────────────────────────────────── */
:root {
  /* Primary palette */
  --clr-primary:        #0d6e4e;
  --clr-primary-dark:   #094d36;
  --clr-primary-light:  #1a9168;
  --clr-primary-pale:   #e8f5f0;
  --clr-accent:         #22c55e;
  --clr-accent-light:   #4ade80;
  --clr-teal:           #0d9488;
  --clr-ocean:          #0369a1;

  /* Neutral palette */
  --clr-white:          #ffffff;
  --clr-gray-50:        #f8fafc;
  --clr-gray-100:       #f1f5f9;
  --clr-gray-200:       #e2e8f0;
  --clr-gray-300:       #cbd5e1;
  --clr-gray-400:       #94a3b8;
  --clr-gray-500:       #64748b;
  --clr-gray-600:       #475569;
  --clr-gray-700:       #334155;
  --clr-gray-800:       #1e293b;
  --clr-gray-900:       #0f172a;

  /* Semantic colors */
  --clr-excellent:      #16a34a;
  --clr-good:           #2563eb;
  --clr-fair:           #d97706;
  --clr-poor:           #dc2626;
  --clr-critical:       #7c3aed;

  /* Typography */
  --font-sans:          'Inter', system-ui, -apple-system, sans-serif;
  --font-serif:         'Playfair Display', Georgia, serif;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Border radius */
  --radius-sm:   0.375rem;
  --radius-md:   0.625rem;
  --radius-lg:   1rem;
  --radius-xl:   1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl:  0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Navbar height */
  --navbar-h: 64px;
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--clr-gray-800);
  background-color: var(--clr-gray-50);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; padding-top: var(--navbar-h); }

img { display: block; max-width: 100%; }
a { color: var(--clr-primary); text-decoration: none; }
a:hover { color: var(--clr-primary-light); }
ul { list-style: none; }

/* ── Skip Link ─────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--clr-primary);
  color: white;
  padding: var(--space-2) var(--space-4);
  z-index: 9999;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { top: 0; }

/* ── Container ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 640px)  { .container { padding-inline: var(--space-6); } }
@media (min-width: 1024px) { .container { padding-inline: var(--space-8); } }

/* ── Navbar ────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--navbar-h);
  background: var(--clr-primary-dark);
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-4);
}

/* Brand */
.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: white;
  flex-shrink: 0;
}
.nav-brand:hover { color: var(--clr-accent-light); }
.brand-icon { width: 40px; height: 40px; flex-shrink: 0; overflow: hidden; border-radius: 50%; }
.brand-icon svg { display: block; width: 40px; height: 40px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-title { font-family: var(--font-serif); font-size: 1.125rem; font-weight: 700; color: white; }
.brand-subtitle { font-size: 0.7rem; color: var(--clr-accent-light); letter-spacing: 0.05em; text-transform: uppercase; }

/* Nav menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  color: rgba(255,255,255,0.8);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-fast);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  background: rgba(255,255,255,0.12);
  color: white;
}
.nav-icon { width: 16px; height: 16px; flex-shrink: 0; }

.btn-nav-login {
  background: var(--clr-accent);
  color: var(--clr-primary-dark) !important;
  font-weight: 600;
}
.btn-nav-login:hover { background: var(--clr-accent-light); }

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: white;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: var(--navbar-h);
    left: 0; right: 0;
    z-index: 999;
    background: var(--clr-primary-dark);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4);
    gap: var(--space-1);
    box-shadow: var(--shadow-lg);
    transform: translateY(-110%);
    transition: transform 0.3s ease, visibility 0.3s ease;
    max-height: calc(100vh - var(--navbar-h));
    overflow-y: auto;
    visibility: hidden;
  }
  .nav-menu.open {
    transform: translateY(0);
    visibility: visible;
  }
  .nav-link { padding: var(--space-3) var(--space-4); font-size: 1rem; }
}

/* ── Page Header ────────────────────────────────────────────── */
.page-header {
  background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-primary) 60%, var(--clr-primary-light) 100%);
  padding: var(--space-12) 0 var(--space-10);
  color: white;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 5 Q32 15 30 25 Q28 35 30 45 Q32 55 30 60' stroke='rgba(255,255,255,0.05)' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  opacity: 0.4;
}
.page-header .container { position: relative; }
.page-header-content { max-width: 700px; }
.page-breadcrumb { font-size: 0.8125rem; color: rgba(255,255,255,0.65); margin-bottom: var(--space-3); }
.page-breadcrumb a { color: rgba(255,255,255,0.65); }
.page-breadcrumb a:hover { color: white; }
.page-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-3);
}
.page-subtitle { font-size: 1rem; color: rgba(255,255,255,0.8); max-width: 560px; }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-gray-200);
  overflow: hidden;
}
.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--clr-gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-gray-800);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.card-title-icon { width: 18px; height: 18px; color: var(--clr-primary); }
.card-body { padding: var(--space-6); }
.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--clr-gray-100);
  background: var(--clr-gray-50);
}

/* Stat cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  padding: var(--space-6) 0;
}
@media (min-width: 640px)  { .stat-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .stat-grid { grid-template-columns: repeat(6, 1fr); } }

.stat-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-gray-200);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--stat-color, var(--clr-primary));
}
.stat-label { font-size: 0.75rem; font-weight: 500; color: var(--clr-gray-500); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-value { font-size: 1.75rem; font-weight: 700; color: var(--clr-gray-900); line-height: 1; }
.stat-unit { font-size: 0.875rem; color: var(--clr-gray-500); }
.stat-icon { width: 32px; height: 32px; padding: 6px; border-radius: var(--radius-md); margin-bottom: var(--space-1); }

/* ── Grid Layouts ───────────────────────────────────────────── */
.content-grid {
  display: grid;
  gap: var(--space-6);
  padding: var(--space-8) 0;
}
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .grid-2-1 { grid-template-columns: 2fr 1fr; }
  .grid-1-2 { grid-template-columns: 1fr 2fr; }
}

/* ── Species Cards ──────────────────────────────────────────── */
.species-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  padding: var(--space-8) 0;
}
@media (min-width: 640px) { .species-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .species-grid { grid-template-columns: repeat(3, 1fr); } }

.species-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-gray-200);
  overflow: hidden;
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
}
.species-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.species-card-img {
  height: 160px;
  background: linear-gradient(135deg, var(--clr-primary-pale), var(--clr-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.species-card-img img { width: 100%; height: 100%; object-fit: cover; }
.species-card-img .species-placeholder {
  font-size: 4rem;
  opacity: 0.6;
}
.species-card-body { padding: var(--space-5); flex: 1; display: flex; flex-direction: column; gap: var(--space-2); }
.species-scientific { font-style: italic; font-size: 1rem; font-weight: 600; color: var(--clr-primary); }
.species-common { font-size: 0.875rem; color: var(--clr-gray-600); font-weight: 500; }
.species-family { font-size: 0.75rem; color: var(--clr-gray-400); }
.species-excerpt { font-size: 0.875rem; color: var(--clr-gray-600); line-height: 1.5; margin-top: var(--space-2); flex: 1; }
.species-card-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--clr-gray-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ── Tables ─────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius-lg); }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
thead tr { background: var(--clr-gray-50); border-bottom: 2px solid var(--clr-gray-200); }
th { padding: var(--space-3) var(--space-4); text-align: left; font-weight: 600; color: var(--clr-gray-700); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; white-space: nowrap; }
td { padding: var(--space-3) var(--space-4); color: var(--clr-gray-700); border-bottom: 1px solid var(--clr-gray-100); vertical-align: middle; }
tbody tr:hover { background: var(--clr-primary-pale); }
tbody tr:last-child td { border-bottom: none; }

/* Admin data table – light header (styled by DataTables theme in admin_header.php) */
.data-table thead tr { background: #fff; border-bottom: 2px solid var(--clr-gray-200); }
.data-table th { color: var(--clr-gray-500); }
.data-table tbody tr:nth-child(even) { background: var(--clr-gray-50); }
.data-table tbody tr:nth-child(even):hover { background: var(--clr-primary-pale); }

/* Mobile table */
@media (max-width: 640px) {
  .table-mobile-card thead { display: none; }
  .table-mobile-card tbody tr {
    display: block;
    background: var(--clr-white);
    border: 1px solid var(--clr-gray-200);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    padding: var(--space-4);
  }
  .table-mobile-card tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--clr-gray-100);
    font-size: 0.875rem;
  }
  .table-mobile-card tbody td:last-child { border-bottom: none; }
  .table-mobile-card tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--clr-gray-500);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }
}

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-excellent { background: #dcfce7; color: #166534; }
.badge-good      { background: #dbeafe; color: #1e40af; }
.badge-fair      { background: #fef3c7; color: #92400e; }
.badge-poor      { background: #fee2e2; color: #991b1b; }
.badge-critical  { background: #f3e8ff; color: #6b21a8; }
.badge-neutral   { background: var(--clr-gray-100); color: var(--clr-gray-700); }
.badge-primary   { background: var(--clr-primary-pale); color: var(--clr-primary); }

.health-excellent { background: #dcfce7; color: #166534; padding: 3px var(--space-3); border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600; }
.health-good      { background: #dbeafe; color: #1e40af; padding: 3px var(--space-3); border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600; }
.health-fair      { background: #fef3c7; color: #92400e; padding: 3px var(--space-3); border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600; }
.health-poor      { background: #fee2e2; color: #991b1b; padding: 3px var(--space-3); border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600; }
.health-critical  { background: #f3e8ff; color: #6b21a8; padding: 3px var(--space-3); border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600; }

.threat-low      { background: #dcfce7; color: #166534; padding: 3px var(--space-3); border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600; }
.threat-moderate { background: #fef3c7; color: #92400e; padding: 3px var(--space-3); border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600; }
.threat-high     { background: #fee2e2; color: #991b1b; padding: 3px var(--space-3); border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600; }
.threat-critical { background: #f3e8ff; color: #6b21a8; padding: 3px var(--space-3); border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.5;
}
.btn-primary { background: var(--clr-primary); color: white; }
.btn-primary:hover { background: var(--clr-primary-dark); color: white; }
.btn-secondary { background: var(--clr-gray-100); color: var(--clr-gray-700); }
.btn-secondary:hover { background: var(--clr-gray-200); color: var(--clr-gray-800); }
.btn-danger { background: #dc2626; color: white; }
.btn-danger:hover { background: #b91c1c; }
.btn-outline { background: transparent; color: var(--clr-primary); border: 2px solid var(--clr-primary); }
.btn-outline:hover { background: var(--clr-primary); color: white; }
.btn-edit { background: transparent; color: var(--clr-primary); border: 1.5px solid var(--clr-primary); }
.btn-edit:hover { background: var(--clr-primary); color: white; }
.btn-delete { background: transparent; color: #dc2626; border: 1.5px solid #dc2626; }
.btn-delete:hover { background: #dc2626; color: white; }
.btn-sm { padding: var(--space-1) var(--space-3); font-size: 0.8rem; }
.btn-lg { padding: var(--space-3) var(--space-8); font-size: 1rem; }
.btn-icon { width: 32px; height: 32px; padding: 0; justify-content: center; }

/* ── Forms ──────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.form-label { font-size: 0.875rem; font-weight: 600; color: var(--clr-gray-700); }
.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--clr-gray-300);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  color: var(--clr-gray-800);
  background: var(--clr-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(13, 110, 78, 0.15);
}
.form-control::placeholder { color: var(--clr-gray-400); }
textarea.form-control { min-height: 100px; resize: vertical; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2364748b' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right var(--space-4) center; padding-right: var(--space-10); }
.form-hint { font-size: 0.8125rem; color: var(--clr-gray-500); }
.form-error { font-size: 0.8125rem; color: #dc2626; }
.form-row { display: grid; grid-template-columns: 1fr; gap: var(--space-4); }
@media (min-width: 640px) { .form-row { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .form-row-3 { grid-template-columns: repeat(3, 1fr); } }

/* ── Alerts ─────────────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  margin-bottom: var(--space-5);
  position: relative;
}
.alert-success  { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alert-error    { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning  { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.alert-info     { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }
.alert-icon     { font-size: 1.1rem; flex-shrink: 0; }
.alert-close    { position: absolute; top: var(--space-3); right: var(--space-4); background: none; border: none; cursor: pointer; font-size: 1.2rem; color: inherit; opacity: 0.6; line-height: 1; }
.alert-close:hover { opacity: 1; }

/* ── Map ────────────────────────────────────────────────────── */
.map-container {
  height: 420px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-gray-200);
}
@media (max-width: 640px) { .map-container { height: 280px; } }

/* ── Charts ─────────────────────────────────────────────────── */
.chart-container { position: relative; height: 280px; }
@media (max-width: 640px) { .chart-container { height: 220px; } }

/* ── Coverage bar ───────────────────────────────────────────── */
.coverage-bar {
  height: 10px;
  background: var(--clr-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.coverage-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--clr-primary-light), var(--clr-accent));
  transition: width 0.8s ease;
}
.coverage-bar-fill.low    { background: linear-gradient(90deg, #ef4444, #f97316); }
.coverage-bar-fill.medium { background: linear-gradient(90deg, #f59e0b, #eab308); }
.coverage-bar-fill.good   { background: linear-gradient(90deg, var(--clr-primary-light), var(--clr-accent)); }
.coverage-bar-fill.high   { background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent)); }

/* ── Section headings ───────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--clr-gray-100);
}
.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-gray-900);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.section-icon { width: 22px; height: 22px; color: var(--clr-primary); }

/* ── Site cards (map sidebar) ───────────────────────────────── */
.site-list { display: flex; flex-direction: column; gap: var(--space-3); }
.site-item {
  padding: var(--space-4);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  background: var(--clr-white);
}
.site-item:hover, .site-item.active {
  border-color: var(--clr-primary);
  background: var(--clr-primary-pale);
}
.site-item-header { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-2); margin-bottom: var(--space-2); }
.site-item-name { font-weight: 600; color: var(--clr-gray-800); font-size: 0.9rem; }
.site-item-code { font-family: monospace; font-size: 0.75rem; background: var(--clr-gray-100); padding: 1px 6px; border-radius: var(--radius-sm); color: var(--clr-gray-600); }
.site-item-meta { font-size: 0.8rem; color: var(--clr-gray-500); display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ── Health score circle ────────────────────────────────────── */
.health-circle {
  width: 80px; height: 80px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}
.health-circle.excellent { background: #dcfce7; color: #166534; border: 3px solid #16a34a; }
.health-circle.good      { background: #dbeafe; color: #1e40af; border: 3px solid #2563eb; }
.health-circle.fair      { background: #fef3c7; color: #92400e; border: 3px solid #d97706; }
.health-circle.poor      { background: #fee2e2; color: #991b1b; border: 3px solid #dc2626; }
.health-circle.critical  { background: #f3e8ff; color: #6b21a8; border: 3px solid #7c3aed; }
.health-circle-value { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* ── Pagination ─────────────────────────────────────────────── */
.pagination { display: flex; justify-content: center; gap: var(--space-2); flex-wrap: wrap; padding: var(--space-6) 0; }
.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-3);
  border: 1.5px solid var(--clr-gray-300);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-gray-700);
  transition: var(--transition-fast);
}
.page-link:hover { border-color: var(--clr-primary); color: var(--clr-primary); }
.page-link.active { background: var(--clr-primary); border-color: var(--clr-primary); color: white; }
.page-link.disabled { opacity: 0.4; pointer-events: none; }

/* ── Filter bar ─────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  background: var(--clr-gray-50);
  border-bottom: 1px solid var(--clr-gray-200);
}
.filter-bar .form-control { max-width: 220px; padding: var(--space-2) var(--space-3); }
.filter-search { flex: 1; min-width: 180px; max-width: 340px; }

/* ── Detail page ────────────────────────────────────────────── */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: var(--space-8) 0;
}
@media (min-width: 1024px) { .detail-grid { grid-template-columns: 1fr 2fr; } }

.info-list { display: flex; flex-direction: column; gap: var(--space-1); }
.info-item { display: flex; gap: var(--space-3); padding: var(--space-3) 0; border-bottom: 1px solid var(--clr-gray-100); }
.info-item:last-child { border-bottom: none; }
.info-label { font-size: 0.8125rem; font-weight: 600; color: var(--clr-gray-500); text-transform: uppercase; letter-spacing: 0.04em; min-width: 130px; flex-shrink: 0; padding-top: 2px; }
.info-value { font-size: 0.9rem; color: var(--clr-gray-800); }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--clr-gray-900);
  color: var(--clr-gray-400);
  padding: var(--space-12) 0 var(--space-6);
  margin-top: var(--space-16);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}
@media (min-width: 640px)  { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1.5fr 1.5fr; } }

.footer-logo-text { font-family: var(--font-serif); color: white; font-size: 1.25rem; margin-bottom: var(--space-3); }
.footer-tagline { font-size: 0.875rem; line-height: 1.6; color: var(--clr-gray-400); margin-bottom: var(--space-4); }
.footer-social { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.footer-badge { font-size: 0.75rem; background: rgba(255,255,255,0.08); padding: 4px var(--space-3); border-radius: var(--radius-full); color: var(--clr-gray-300); }
.footer-heading { color: white; font-size: 0.875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-4); }
.footer-links { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-links a { font-size: 0.875rem; color: var(--clr-gray-400); transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--clr-accent-light); }
.footer-text { font-size: 0.8125rem; color: var(--clr-gray-400); line-height: 1.6; margin-bottom: var(--space-3); }
.footer-info-list { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-info-list li { display: flex; align-items: flex-start; gap: var(--space-2); font-size: 0.8125rem; color: var(--clr-gray-400); }
.footer-info-list svg { width: 14px; height: 14px; flex-shrink: 0; margin-top: 3px; color: var(--clr-accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: var(--space-6); display: flex; flex-direction: column; gap: var(--space-2); }
@media (min-width: 640px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }
.footer-bottom p { font-size: 0.8125rem; color: var(--clr-gray-500); }

/* ── Admin Top Navigation Header ────────────────────────────── */
.admin-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--clr-gray-900);
  box-shadow: 0 2px 8px rgba(0,0,0,.35);
}
.admin-header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-6);
  height: 56px;
  max-width: 100%;
}
.admin-brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; flex-shrink: 0; }

/* Hamburger button (mobile) */
.admin-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.admin-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,.8);
  border-radius: 2px;
  transition: background .2s;
}
.admin-nav-toggle:hover span { background: #fff; }

/* Wrapper holds links + right area */
.admin-nav-wrapper {
  display: flex;
  align-items: center;
  flex: 1;
  gap: var(--space-2);
  min-width: 0;
}

/* Page links row */
.admin-nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}
.admin-nav-links::-webkit-scrollbar { display: none; }

.admin-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: var(--radius-md);
  font-size: .8125rem;
  font-weight: 500;
  color: rgba(255,255,255,.65);
  white-space: nowrap;
  text-decoration: none;
  transition: background .15s, color .15s;
}
/* Hide icons on desktop — show only on mobile dropdown */
.admin-nav-link svg { display: none; width: 14px; height: 14px; flex-shrink: 0; }
.admin-nav-link:hover { background: rgba(255,255,255,.1); color: #fff; }
.admin-nav-link.active {
  background: rgba(255,255,255,.15);
  color: #fff;
  font-weight: 600;
  position: relative;
}
.admin-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: var(--clr-accent);
  border-radius: 2px 2px 0 0;
}

/* Right area: public link, user, sign out */
.admin-nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  margin-left: auto;
  padding-left: var(--space-4);
  border-left: 1px solid rgba(255,255,255,.12);
}
.admin-nav-public {
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  text-decoration: none;
  white-space: nowrap;
  transition: color .15s;
}
.admin-nav-public:hover { color: rgba(255,255,255,.85); }
.admin-nav-user {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .8125rem;
  color: rgba(255,255,255,.7);
  white-space: nowrap;
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.admin-nav-user svg { width: 14px; height: 14px; flex-shrink: 0; }
.admin-nav-signout {
  font-size: .8rem;
  color: #fca5a5;
  text-decoration: none;
  white-space: nowrap;
  padding: 4px 10px;
  border: 1px solid rgba(252,165,165,.3);
  border-radius: var(--radius-sm);
  transition: background .15s, color .15s;
}
.admin-nav-signout:hover { background: rgba(252,165,165,.15); color: #fecaca; }

/* Main content — full width, no sidebar */
.admin-main {
  flex: 1;
  padding: var(--space-8) var(--space-6);
  min-width: 0;
  min-height: calc(100vh - 56px);
}

/* ── Mobile: hamburger dropdown ──────────────────────────────── */
@media (max-width: 768px) {
  .admin-header-inner { padding: 0 var(--space-4); }
  .admin-nav-toggle { display: flex; }
  .admin-nav-wrapper {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--clr-gray-900);
    border-top: 1px solid rgba(255,255,255,.1);
    padding: var(--space-3) var(--space-4) var(--space-4);
    gap: var(--space-2);
    box-shadow: 0 8px 24px rgba(0,0,0,.3);
    overflow: visible;
  }
  .admin-nav-wrapper.is-open { display: flex; }
  .admin-nav-links {
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
    gap: 2px;
  }
  .admin-nav-link {
    padding: 10px 14px;
    font-size: .875rem;
    border-radius: var(--radius-md);
  }
  .admin-nav-link svg { display: inline-block; }
  .admin-nav-link.active::after { display: none; }
  .admin-nav-right {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    padding-top: var(--space-3);
    border-top: 1px solid rgba(255,255,255,.1);
  }
  .admin-main { padding: var(--space-4) var(--space-4); }
}

/* Sidebar classes retained (no-op) so nothing breaks if referenced elsewhere */
.admin-layout { display: block; }
.admin-sidebar { display: none; }
.sidebar-section-label, .sidebar-link { display: none; }
.admin-sidebar-menu { list-style: none; padding: 0; margin: 0; }

/* ── Login page ─────────────────────────────────────────────── */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-primary), var(--clr-teal)); padding: var(--space-6); }
.login-card { background: white; border-radius: var(--radius-xl); padding: var(--space-10); width: 100%; max-width: 420px; box-shadow: var(--shadow-xl); }
.login-logo { display: flex; flex-direction: column; align-items: center; margin-bottom: var(--space-8); text-align: center; }
.login-logo svg { width: 64px; height: 64px; margin-bottom: var(--space-3); }
.login-logo h1 { font-family: var(--font-serif); font-size: 1.5rem; color: var(--clr-primary-dark); }
.login-logo p { font-size: 0.875rem; color: var(--clr-gray-500); }

/* ── Empty state ────────────────────────────────────────────── */
.empty-state { text-align: center; padding: var(--space-16) var(--space-6); color: var(--clr-gray-400); }
.empty-state-icon { font-size: 3rem; margin-bottom: var(--space-4); }
.empty-state h3 { color: var(--clr-gray-600); margin-bottom: var(--space-2); }
.empty-state p { font-size: 0.9rem; }

/* ── Loading ────────────────────────────────────────────────── */
.spinner { display: inline-block; width: 20px; height: 20px; border: 2px solid rgba(13,110,78,0.2); border-top-color: var(--clr-primary); border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Hero Section ───────────────────────────────────────────── */
.hero {
  background: linear-gradient(160deg, var(--clr-primary-dark) 0%, var(--clr-primary) 50%, var(--clr-teal) 100%);
  min-height: 420px;
  display: flex;
  align-items: center;
  color: white;
  padding: var(--space-16) 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(255,255,255,0.05) 0%, transparent 70%);
}
.hero-content { position: relative; max-width: 640px; }
.hero-eyebrow { font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--clr-accent-light); margin-bottom: var(--space-3); }
.hero-title { font-family: var(--font-serif); font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 700; line-height: 1.15; margin-bottom: var(--space-5); }
.hero-subtitle { font-size: 1.0625rem; color: rgba(255,255,255,0.82); margin-bottom: var(--space-8); line-height: 1.6; }
.hero-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.hero-wave { position: absolute; bottom: 0; left: 0; right: 0; }

/* ── Utility classes ────────────────────────────────────────── */
.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-small { font-size: 0.8125rem; }
.text-muted { color: var(--clr-gray-500); }
.text-primary { color: var(--clr-primary); }
.text-italic { font-style: italic; }
.font-bold { font-weight: 700; }
.font-mono { font-family: monospace; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.flex-wrap { flex-wrap: wrap; }
.w-full { width: 100%; }
.hidden { display: none; }

/* ── Admin Page Header ──────────────────────────────────────── */
.admin-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }

/* ── Print styles ───────────────────────────────────────────── */
@media print {
  .navbar, .site-footer, .filter-bar, .btn, .nav-toggle { display: none !important; }
  main { padding-top: 0 !important; }
  .card { box-shadow: none; border: 1px solid #ddd; }
}