@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0a0f1e;
  --bg-secondary: #111827;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-active: rgba(76,175,80,0.5);
  --green-primary: #4caf50;
  --green-light: #66bb6a;
  --green-dark: #388e3c;
  --green-glow: rgba(76,175,80,0.15);
  --accent: #00e5ff;
  --text-primary: #f0f4f8;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #22c55e;
  --info: #3b82f6;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-green: 0 0 30px rgba(76,175,80,0.2);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-tap-highlight-color: transparent; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--green-dark); border-radius: 3px; }

/* ── Background mesh ── */
.bg-mesh {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(76,175,80,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 80%, rgba(0,229,255,0.05) 0%, transparent 60%);
}

/* ── Glass Card ── */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.glass:hover { background: var(--bg-card-hover); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius-sm); border: none; cursor: pointer;
  font-family: inherit; font-size: 0.9rem; font-weight: 600;
  transition: var(--transition); text-decoration: none; white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--green-dark), var(--green-primary));
  color: #fff; box-shadow: 0 4px 15px rgba(76,175,80,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(76,175,80,0.45); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  background: var(--bg-card); color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--green-primary); }
.btn-danger { background: linear-gradient(135deg, #b91c1c, var(--danger)); color: #fff; }
.btn-danger:hover { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(239,68,68,0.35); }
.btn-sm { padding: 8px 16px; font-size: 0.8rem; border-radius: 8px; }
.btn-full { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ── Forms ── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block; margin-bottom: 8px;
  font-size: 0.85rem; font-weight: 600; color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.form-label .required { color: var(--danger); margin-left: 2px; }
.form-input, .form-textarea, .form-select {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  color: var(--text-primary); font-family: inherit; font-size: 0.95rem;
  transition: var(--transition); outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--green-primary); background: rgba(76,175,80,0.08);
  box-shadow: 0 0 0 3px rgba(76,175,80,0.12);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-select option { background: var(--bg-secondary); }
.char-counter { font-size: 0.75rem; color: var(--text-muted); text-align: right; margin-top: 4px; }
.char-counter.warn { color: var(--warning); }
.char-counter.error { color: var(--danger); }

/* ── Input with icon ── */
.input-wrap { position: relative; }
.input-wrap .input-icon {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 1.1rem; pointer-events: none;
}
.input-wrap .form-input { padding-left: 42px; }
.input-wrap .input-toggle {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); cursor: pointer; font-size: 1.1rem; background: none; border: none;
}

/* ── Toast ── */
#toast-container {
  position: fixed; top: 24px; right: 24px; z-index: 9999;
  display: flex; flex-direction: column; gap: 10px; max-width: 340px;
}
.toast {
  display: flex; align-items: center; gap: 12px; padding: 14px 18px;
  border-radius: var(--radius-sm); background: var(--bg-secondary);
  border: 1px solid var(--border); box-shadow: var(--shadow);
  animation: toastIn 0.35s ease; font-size: 0.9rem;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.info    { border-left: 3px solid var(--info); }
.toast i { font-size: 1.2rem; flex-shrink: 0; }
.toast.success i { color: var(--success); }
.toast.error   i { color: var(--danger); }
.toast.warning i { color: var(--warning); }
.toast.info    i { color: var(--info); }
.toast-out { animation: toastOut 0.3s ease forwards; }
@keyframes toastIn  { from { opacity:0; transform: translateX(100%); } to { opacity:1; transform: translateX(0); } }
@keyframes toastOut { from { opacity:1; transform: translateX(0); }   to { opacity:0; transform: translateX(100%); } }

/* ── Spinner / Loader ── */
.spinner {
  width: 22px; height: 22px; border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.15);
  border-top-color: var(--green-primary);
  animation: spin 0.8s linear infinite; display: inline-block;
}
.loading-overlay {
  position: fixed; inset: 0; background: rgba(10,15,30,0.8);
  display: flex; align-items: center; justify-content: center; z-index: 9990;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Badge ── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 600;
}
.badge-green { background: rgba(76,175,80,0.15); color: var(--green-light); }
.badge-yellow { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-red { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-blue { background: rgba(59,130,246,0.15); color: var(--info); }

/* ── GPS Status ── */
.gps-status {
  display: flex; align-items: center; gap: 10px; padding: 14px 18px;
  border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg-card); transition: var(--transition);
}
.gps-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--text-muted); flex-shrink: 0;
  animation: pulse-dot 2s infinite;
}
.gps-dot.good    { background: var(--success); }
.gps-dot.warn    { background: var(--warning); }
.gps-dot.bad     { background: var(--danger); }
.gps-dot.loading { background: var(--info); }
@keyframes pulse-dot {
  0%,100% { box-shadow: 0 0 0 0 rgba(76,175,80,0.4); }
  50%      { box-shadow: 0 0 0 6px rgba(76,175,80,0); }
}

/* ── Photo Upload ── */
.photo-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
}
.photo-slot {
  border: 2px dashed var(--border); border-radius: var(--radius-sm);
  aspect-ratio: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 8px;
  cursor: pointer; transition: var(--transition); position: relative;
  overflow: hidden; background: var(--bg-card);
}
.photo-slot:hover { border-color: var(--green-primary); background: var(--green-glow); }
.photo-slot.has-photo { border-style: solid; border-color: var(--green-primary); }
.photo-slot .slot-icon { font-size: 2rem; color: var(--text-muted); }
.photo-slot .slot-label { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); }
.photo-slot .slot-required { font-size: 0.65rem; color: var(--text-muted); }
.photo-slot img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.photo-slot .photo-actions {
  position: absolute; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center; gap: 8px;
  opacity: 0; transition: var(--transition);
}
.photo-slot:hover .photo-actions { opacity: 1; }
.photo-slot .photo-menu {
  position: absolute; bottom: 0; left: 0; right: 0;
  display: flex; gap: 0;
}
.photo-slot .photo-menu button {
  flex: 1; padding: 8px 4px; background: rgba(0,0,0,0.8); border: none;
  color: #fff; font-size: 0.7rem; cursor: pointer; display: flex;
  flex-direction: column; align-items: center; gap: 2px; transition: var(--transition);
}
.photo-slot .photo-menu button:hover { background: var(--green-dark); }
.photo-slot.required-missing { border-color: var(--danger) !important; }

/* Mobil: foto slotları büyük ve tıklanabilir */
@media (max-width: 600px) {
  .photo-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .photo-slot { aspect-ratio: 1; min-height: 100px; }
  .photo-slot .slot-icon { font-size: 1.6rem !important; }
  .photo-slot .slot-label { font-size: 0.8rem !important; }
}

/* ── Navbar ── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,15,30,0.85); backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--border);
  padding: 0 24px; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.navbar-brand {
  display: flex; align-items: center; gap: 10px; text-decoration: none;
}
.navbar-brand .logo-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--green-dark), var(--green-primary));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: #fff; box-shadow: var(--shadow-green);
}
.navbar-brand span { font-size: 1.2rem; font-weight: 800; color: var(--text-primary); }
.navbar-brand span em { color: var(--green-light); font-style: normal; }
.navbar-right { display: flex; align-items: center; gap: 12px; }
.user-pill {
  display: flex; align-items: center; gap: 8px; padding: 7px 14px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 20px; font-size: 0.85rem; color: var(--text-secondary);
}
.user-pill i { color: var(--green-light); }

/* ── Tab Navigation ── */
.tab-nav {
  display: flex; gap: 4px; padding: 5px;
  background: var(--bg-card); border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.tab-btn {
  flex: 1; padding: 10px 16px; border-radius: 8px; border: none; background: transparent;
  color: var(--text-muted); cursor: pointer; font-family: inherit; font-weight: 600;
  font-size: 0.875rem; transition: var(--transition); display: flex; align-items: center;
  justify-content: center; gap: 7px;
}
.tab-btn.active {
  background: linear-gradient(135deg, var(--green-dark), var(--green-primary));
  color: #fff; box-shadow: 0 2px 10px rgba(76,175,80,0.3);
}
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity:0; transform: translateY(8px); } to { opacity:1; transform: translateY(0); } }

/* ── Map (Mapbox) ── */
#map, #admin-map, #mini-map { width: 100%; border-radius: var(--radius); overflow: hidden; }
#map { height: 500px; }
#admin-map { height: 500px; }
#mini-map { height: 280px; }

/* Mapbox dark popup override */
.mapboxgl-popup-content {
  background: #1e293b !important;
  color: #f0f4f8 !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  border-radius: 12px !important;
  padding: 12px !important;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5) !important;
  font-family: 'Inter', sans-serif !important;
}
.mapboxgl-popup-tip { border-top-color: #1e293b !important; border-bottom-color: #1e293b !important; }
.mapboxgl-popup-close-button {
  color: #94a3b8 !important; font-size: 1.1rem !important;
  right: 8px !important; top: 6px !important;
}
.mapboxgl-ctrl-group { background: #1e293b !important; border: 1px solid rgba(255,255,255,0.1) !important; }
.mapboxgl-ctrl-group button { background-color: #1e293b !important; color: #fff !important; }
.mapboxgl-ctrl-group button:hover { background-color: rgba(76,175,80,0.2) !important; }

/* ── Login Page ── */
.auth-container {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 14px;
  padding: 24px; position: relative; z-index: 1;
}
.auth-card {
  width: 100%; max-width: 460px; padding: 40px;
  border-radius: 24px;
}
.auth-logo {
  text-align: center; margin-bottom: 32px;
}
.auth-logo .logo-big {
  width: 72px; height: 72px; border-radius: 20px;
  background: linear-gradient(135deg, var(--green-dark), var(--green-primary));
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 2rem; color: #fff; box-shadow: var(--shadow-green); margin-bottom: 16px;
}
.auth-logo h1 { font-size: 1.8rem; font-weight: 800; }
.auth-logo h1 em { color: var(--green-light); font-style: normal; }
.auth-logo p { color: var(--text-muted); font-size: 0.9rem; margin-top: 4px; }
.auth-tabs {
  display: flex; margin-bottom: 28px;
  background: rgba(255,255,255,0.03); border-radius: var(--radius-sm);
  padding: 4px; border: 1px solid var(--border);
}
.auth-tab {
  flex: 1; padding: 10px; text-align: center; cursor: pointer; border-radius: 8px;
  font-weight: 600; font-size: 0.9rem; color: var(--text-muted); transition: var(--transition);
  border: none; background: none; font-family: inherit;
}
.auth-tab.active { background: var(--green-primary); color: #fff; }
.auth-form { display: none; }
.auth-form.active { display: block; animation: fadeIn 0.3s ease; }

/* ── Main App Layout ── */
.app-container { max-width: 1200px; margin: 0 auto; padding: 24px; }
.app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.app-sidebar { display: flex; flex-direction: column; gap: 20px; }

/* ── Section Header ── */
.section-header {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
}
.section-header .section-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--green-glow); border: 1px solid var(--border-active);
  display: flex; align-items: center; justify-content: center;
  color: var(--green-light); font-size: 1.1rem;
}
.section-header h2 { font-size: 1.1rem; font-weight: 700; }
.section-header p { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

/* ── Admin Panel ── */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 260px; flex-shrink: 0; background: var(--bg-secondary);
  border-right: 1px solid var(--border); padding: 0; position: sticky; top: 0;
  height: 100vh; overflow-y: auto; display: flex; flex-direction: column;
}
.admin-sidebar-header {
  padding: 24px 20px; border-bottom: 1px solid var(--border);
}
.admin-nav { flex: 1; padding: 12px; }
.admin-nav-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  border-radius: var(--radius-sm); cursor: pointer; transition: var(--transition);
  color: var(--text-muted); border: none; background: none; font-family: inherit;
  font-size: 0.9rem; font-weight: 500; width: 100%; text-align: left;
}
.admin-nav-item:hover { background: var(--bg-card); color: var(--text-primary); }
.admin-nav-item.active { background: var(--green-glow); color: var(--green-light); border: 1px solid var(--border-active); }
.admin-nav-item i { font-size: 1.1rem; width: 20px; }
.admin-main { flex: 1; padding: 28px; overflow-y: auto; }
.admin-header { margin-bottom: 28px; }
.admin-header h1 { font-size: 1.5rem; font-weight: 800; }
.admin-header p { color: var(--text-muted); font-size: 0.9rem; margin-top: 4px; }
.admin-panel { display: none; }
.admin-panel.active { display: block; animation: fadeIn 0.3s ease; }

/* ── Stats Cards ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  padding: 22px; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--bg-card); display: flex; align-items: center; gap: 16px;
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-2px); border-color: var(--border-active); }
.stat-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem; flex-shrink: 0;
}
.stat-icon.green { background: rgba(76,175,80,0.15); color: var(--green-light); }
.stat-icon.blue  { background: rgba(59,130,246,0.15); color: var(--info); }
.stat-icon.yellow{ background: rgba(245,158,11,0.15); color: var(--warning); }
.stat-icon.purple{ background: rgba(168,85,247,0.15); color: #c084fc; }
.stat-value { font-size: 1.8rem; font-weight: 800; line-height: 1; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

/* ── Table ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
thead th {
  padding: 14px 16px; text-align: left; font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted);
  background: rgba(255,255,255,0.02); border-bottom: 1px solid var(--border);
}
tbody td { padding: 14px 16px; font-size: 0.875rem; border-bottom: 1px solid rgba(255,255,255,0.04); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-card-hover); }

/* ── Tree Detail Modal ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.75); z-index: 1000;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 0.2s ease;
}
.modal {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: 24px; width: 100%; max-width: 680px; max-height: 90vh;
  overflow-y: auto; padding: 32px; position: relative;
}
.modal-close {
  position: absolute; top: 16px; right: 16px; width: 36px; height: 36px;
  border-radius: 50%; background: var(--bg-card); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  color: var(--text-muted); font-size: 1.1rem; transition: var(--transition);
}
.modal-close:hover { color: var(--text-primary); background: var(--danger); border-color: var(--danger); }
.modal-photos { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; margin-top: 16px; }
.modal-photo { border-radius: 12px; overflow: hidden; aspect-ratio:1; position: relative; background: var(--bg-card); }
.modal-photo img { width:100%; height:100%; object-fit:cover; }
.modal-photo-label {
  position: absolute; left: 8px; top: 8px; z-index: 1;
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 9px; border-radius: 999px;
  background: rgba(10,15,30,0.82); border: 1px solid rgba(255,255,255,0.16);
  color: #fff; font-size: 0.72rem; font-weight: 700;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}

/* ── Footer ── */
.app-footer {
  position: relative; z-index: 1;
  padding: 18px 24px 24px; text-align: center;
  color: var(--text-muted); font-size: 0.78rem; font-weight: 600;
}
.admin-main .app-footer {
  margin-top: 28px; padding-bottom: 8px; border-top: 1px solid var(--border);
}
.auth-footer { padding-top: 0; }

/* ── Dashboard Chart ── */
.dashboard-mini-stats {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end;
}
.dashboard-mini-stats span {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 10px; border-radius: 999px; border: 1px solid var(--border);
  background: rgba(255,255,255,0.04); color: var(--text-muted); font-size: 0.72rem;
}
.dashboard-mini-stats strong { color: var(--text-primary); font-size: 0.82rem; }
.bar-chart {
  display: grid; grid-template-columns: repeat(7, minmax(34px, 1fr)); gap: 10px;
  min-height: 168px; align-items: end; padding: 10px 0 2px;
}
.bar-day {
  min-width: 0; height: 150px; display: grid; grid-template-rows: 22px 1fr 22px;
  align-items: end; gap: 6px;
}
.bar-value {
  text-align: center; font-size: 0.72rem; font-weight: 700; color: var(--text-secondary);
}
.bar-track {
  position: relative; height: 100%; border-radius: 8px;
  background: rgba(255,255,255,0.045); border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
}
.bar-fill {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(to top, var(--green-dark), var(--green-light));
  border-radius: 8px 8px 0 0; min-height: 3px; transition: height 0.35s ease;
}
.bar-day:hover .bar-track { border-color: var(--border-active); }
.bar-label {
  text-align: center; color: var(--text-muted); font-size: 0.68rem; white-space: nowrap;
}
.dashboard-chart-footer {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border);
  font-size: 0.75rem; color: var(--text-muted);
}
.dashboard-chart-footer span { display: inline-flex; align-items: center; gap: 6px; }
.dashboard-chart-footer i { color: var(--green-light); }
.dashboard-chart-footer strong { color: var(--text-secondary); }

/* ── Pagination ── */
.pagination { display: flex; align-items: center; gap: 8px; margin-top: 20px; justify-content: center; }
.page-btn {
  width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text-secondary); font-family: inherit;
  cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center;
}
.page-btn.active { background: var(--green-primary); border-color: var(--green-primary); color: #fff; }
.page-btn:hover:not(.active) { border-color: var(--green-primary); color: var(--green-light); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .app-grid { grid-template-columns: 1fr; }
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; height: auto; position: relative; }
  .admin-nav { display: flex; flex-wrap: wrap; gap: 4px; padding: 8px; }
  .admin-nav-item { flex-direction: column; padding: 8px 12px; font-size: 0.75rem; width: auto; }
  .admin-main { padding: 16px; }
  #panel-dashboard > div[style*="grid-template-columns:2fr 1fr"] { grid-template-columns: 1fr !important; }
  .dashboard-mini-stats { justify-content: flex-start; margin-top: 8px; }
  .bar-chart { gap: 6px; grid-template-columns: repeat(7, minmax(28px, 1fr)); }
  .bar-day { height: 132px; }
}
@media (max-width: 600px) {
  .auth-card { padding: 28px 20px; }
  .app-container { padding: 16px; }
  .photo-grid { grid-template-columns: repeat(2,1fr); }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .navbar { padding: 0 16px; }
  #toast-container { left: 12px; right: 12px; top: 12px; max-width: 100%; }
}

/* ── Utility ── */
.mt-1{margin-top:4px} .mt-2{margin-top:8px} .mt-3{margin-top:16px} .mt-4{margin-top:24px}
.mb-1{margin-bottom:4px} .mb-2{margin-bottom:8px} .mb-3{margin-bottom:16px}
.text-muted{color:var(--text-muted)} .text-green{color:var(--green-light)}
.text-sm{font-size:0.8rem} .text-xs{font-size:0.72rem} .font-bold{font-weight:700}
.flex{display:flex} .items-center{align-items:center} .gap-2{gap:8px} .gap-3{gap:12px}
.justify-between{justify-content:space-between} .w-full{width:100%}
.hidden{display:none !important}
.divider { height: 1px; background: var(--border); margin: 20px 0; }