/* ============================================================
   DonPlatform — Main CSS
   Design: Refined & Modern, Green/Emerald palette
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ---- Variables ---- */
:root {
  --green:       #10B981;
  --green-dark:  #059669;
  --green-light: #D1FAE5;
  --green-xlight:#ECFDF5;
  --navy:        #0F172A;
  --slate:       #1E293B;
  --gray:        #64748B;
  --gray-light:  #CBD5E1;
  --gray-xlight: #F1F5F9;
  --white:       #FFFFFF;
  --amber:       #F59E0B;
  --red:         #EF4444;
  --blue:        #3B82F6;
  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 4px 24px rgba(15,23,42,.08);
  --shadow-lg:   0 8px 40px rgba(15,23,42,.13);
  --transition:  .2s ease;
  --font-display:'Playfair Display', Georgia, serif;
  --font-body:   'DM Sans', -apple-system, sans-serif;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--navy);
  background: var(--gray-xlight);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green-dark); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ---- Layout ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-sm { max-width: 800px; margin: 0 auto; padding: 0 20px; }
.row { display: flex; flex-wrap: wrap; gap: 24px; }
.col-2 { flex: 0 0 calc(50% - 12px); }
.col-3 { flex: 0 0 calc(33.333% - 16px); }
.col-4 { flex: 0 0 calc(25% - 18px); }

/* ---- Navbar ---- */
.navbar {
  background: var(--white);
  border-bottom: 1px solid rgba(203,213,225,.6);
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 12px rgba(15,23,42,.05);
}
.navbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 20px;
}
.navbar-brand {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 700;
  color: var(--green-dark);
  display: flex; align-items: center; gap: 8px;
}
.navbar-brand span { color: var(--navy); }
.navbar-brand .dot { color: var(--green); }
.navbar-nav { display: flex; align-items: center; gap: 8px; }
.navbar-nav a {
  padding: 8px 14px; border-radius: 8px;
  font-weight: 500; font-size: .95rem; color: var(--slate);
  transition: all var(--transition);
}
.navbar-nav a:hover, .navbar-nav a.active {
  background: var(--green-xlight); color: var(--green-dark);
}
.navbar-actions { display: flex; align-items: center; gap: 10px; }
.lang-switch {
  display: flex; gap: 4px;
  background: var(--gray-xlight); border-radius: 8px; padding: 3px;
}
.lang-switch a {
  padding: 4px 10px; border-radius: 6px; font-size: .85rem; font-weight: 600;
  color: var(--gray);
}
.lang-switch a.active {
  background: var(--white); color: var(--green-dark);
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
}
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--slate); margin: 5px 0; border-radius: 2px; transition: all .3s; }

/* ---- Hero ---- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--slate) 50%, #134E4A 100%);
  color: var(--white); padding: 80px 0 64px; text-align: center; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2310B981' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { position: relative; z-index: 1; }
.hero h1 {
  font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700;
  line-height: 1.15; margin-bottom: 20px;
}
.hero h1 em { color: var(--green); font-style: normal; }
.hero p { font-size: 1.15rem; color: rgba(255,255,255,.75); max-width: 560px; margin: 0 auto 36px; }
.hero-stats {
  display: flex; justify-content: center; gap: 48px; margin-top: 48px;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .value { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--green); }
.hero-stat .label { font-size: .9rem; color: rgba(255,255,255,.6); margin-top: 4px; }

/* ---- Boutons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px; border-radius: 10px; font-weight: 600; font-size: .95rem;
  border: none; cursor: pointer; transition: all var(--transition); white-space: nowrap;
  text-decoration: none; line-height: 1;
}
.btn-primary   { background: var(--green); color: var(--white); }
.btn-primary:hover { background: var(--green-dark); color: var(--white); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(16,185,129,.35); }
.btn-outline   { background: transparent; color: var(--green-dark); border: 2px solid var(--green); }
.btn-outline:hover { background: var(--green-xlight); color: var(--green-dark); }
.btn-dark      { background: var(--navy); color: var(--white); }
.btn-dark:hover { background: var(--slate); color: var(--white); }
.btn-danger    { background: var(--red); color: var(--white); }
.btn-danger:hover { background: #DC2626; color: var(--white); }
.btn-ghost     { background: var(--gray-xlight); color: var(--slate); }
.btn-ghost:hover { background: var(--gray-light); }
.btn-sm        { padding: 7px 16px; font-size: .875rem; border-radius: 8px; }
.btn-lg        { padding: 14px 32px; font-size: 1.05rem; border-radius: 12px; }
.btn-block     { display: flex; width: 100%; justify-content: center; }
.btn:disabled  { opacity: .55; cursor: not-allowed; transform: none !important; }
.btn-white { background: #fff; color: var(--green-dark); }
.btn-white:hover { background: var(--green-xlight); color: var(--green-dark); }

/* ---- Cards ---- */
.card {
  background: var(--white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); overflow: hidden; transition: all var(--transition);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card-img { width: 100%; height: 200px; object-fit: cover; }
.card-body { padding: 20px; }
.card-title { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; margin-bottom: 8px; color: var(--navy); }
.card-text { color: var(--gray); font-size: .92rem; line-height: 1.55; }
.card-footer { padding: 14px 20px; border-top: 1px solid var(--gray-xlight); display: flex; align-items: center; justify-content: space-between; gap: 10px; }

/* ---- Badge / Tag ---- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 20px; font-size: .78rem; font-weight: 600;
}
.badge-green   { background: var(--green-light); color: var(--green-dark); }
.badge-amber   { background: #FEF3C7; color: #92400E; }
.badge-red     { background: #FEE2E2; color: #991B1B; }
.badge-blue    { background: #DBEAFE; color: #1E40AF; }
.badge-gray    { background: var(--gray-xlight); color: var(--gray); }
.badge-navy    { background: var(--navy); color: var(--white); }

/* ---- Progress Bar ---- */
.progress-wrap { margin: 12px 0 8px; }
.progress-bar-bg {
  background: var(--gray-xlight); border-radius: 100px; height: 8px; overflow: hidden;
}
.progress-bar-fill {
  height: 100%; border-radius: 100px;
  background: linear-gradient(90deg, var(--green), var(--green-dark));
  transition: width .8s cubic-bezier(.4,0,.2,1);
}
.progress-bar-fill.over { background: linear-gradient(90deg, var(--amber), #D97706); }
.progress-meta { display: flex; justify-content: space-between; font-size: .82rem; color: var(--gray); margin-top: 6px; }
.progress-meta strong { color: var(--green-dark); font-size: .95rem; }

/* ---- Formulaires ---- */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 7px; color: var(--slate); }
.form-label .required { color: var(--red); margin-left: 2px; }
.form-control {
  width: 100%; padding: 11px 14px; border-radius: 10px;
  border: 1.5px solid var(--gray-light); background: var(--white);
  font-family: var(--font-body); font-size: .95rem; color: var(--navy);
  transition: all var(--transition); outline: none;
}
.form-control:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(16,185,129,.12); }
.form-control::placeholder { color: var(--gray-light); }
textarea.form-control { resize: vertical; min-height: 120px; }
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='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.form-hint { font-size: .82rem; color: var(--gray); margin-top: 5px; }
.form-error { font-size: .82rem; color: var(--red); margin-top: 5px; }
.radio-group, .checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; }
.radio-option, .check-option {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 10px; border: 1.5px solid var(--gray-light);
  cursor: pointer; transition: all var(--transition); background: var(--white);
}
.radio-option:hover, .check-option:hover { border-color: var(--green); background: var(--green-xlight); }
.radio-option input, .check-option input { accent-color: var(--green); }

/* Upload Zone */
.upload-zone {
  border: 2px dashed var(--gray-light); border-radius: var(--radius); padding: 32px;
  text-align: center; cursor: pointer; transition: all var(--transition);
  background: var(--gray-xlight);
}
.upload-zone:hover, .upload-zone.dragover { border-color: var(--green); background: var(--green-xlight); }
.upload-zone i { font-size: 2rem; color: var(--green); margin-bottom: 10px; }
.upload-zone p { color: var(--gray); font-size: .9rem; }

/* ---- Alerts / Flash ---- */
.alert {
  padding: 14px 18px; border-radius: var(--radius); margin-bottom: 20px;
  display: flex; align-items: flex-start; gap: 12px; font-size: .95rem;
}
.alert-success { background: var(--green-light); color: #065F46; border-left: 4px solid var(--green); }
.alert-error   { background: #FEE2E2; color: #991B1B; border-left: 4px solid var(--red); }
.alert-warning { background: #FEF3C7; color: #92400E; border-left: 4px solid var(--amber); }
.alert-info    { background: #DBEAFE; color: #1E40AF; border-left: 4px solid var(--blue); }

/* ---- Page header ---- */
.page-header { padding: 40px 0 28px; }
.page-header h1 { font-family: var(--font-display); font-size: 2rem; color: var(--navy); }
.page-header p  { color: var(--gray); margin-top: 8px; }

/* ---- Section ---- */
.section { padding: 60px 0; }
.section-title {
  font-family: var(--font-display); font-size: 1.8rem; font-weight: 700;
  color: var(--navy); margin-bottom: 8px;
}
.section-subtitle { color: var(--gray); margin-bottom: 40px; }

/* ---- Stats cards ---- */
.stat-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 24px;
  box-shadow: var(--shadow); display: flex; align-items: center; gap: 18px;
}
.stat-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; flex-shrink: 0;
}
.stat-icon.green  { background: var(--green-light); color: var(--green-dark); }
.stat-icon.amber  { background: #FEF3C7; color: #B45309; }
.stat-icon.blue   { background: #DBEAFE; color: #1D4ED8; }
.stat-icon.red    { background: #FEE2E2; color: #B91C1C; }
.stat-value { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; color: var(--navy); line-height: 1; }
.stat-label { font-size: .85rem; color: var(--gray); margin-top: 4px; }

/* ---- Table ---- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; background: var(--white); }
thead th {
  background: var(--gray-xlight); padding: 14px 16px; text-align: left;
  font-size: .85rem; font-weight: 600; color: var(--gray); white-space: nowrap;
  border-bottom: 1px solid var(--gray-light);
}
tbody td { padding: 14px 16px; border-bottom: 1px solid var(--gray-xlight); font-size: .92rem; vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--gray-xlight); }

/* ---- Pagination ---- */
.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.pagination a, .pagination span {
  min-width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border-radius: 10px; font-weight: 600; font-size: .9rem; transition: all var(--transition);
  background: var(--white); color: var(--slate); box-shadow: var(--shadow);
}
.pagination a:hover { background: var(--green-xlight); color: var(--green-dark); }
.pagination span.active { background: var(--green); color: var(--white); }

/* ---- Donor card ---- */
.donor-item { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--gray-xlight); }
.donor-item:last-child { border-bottom: none; }
.donor-avatar {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  background: var(--green-light); color: var(--green-dark);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1rem;
}
.donor-info { flex: 1; }
.donor-name { font-weight: 600; font-size: .95rem; }
.donor-meta { font-size: .82rem; color: var(--gray); margin-top: 2px; }
.donor-amount { font-family: var(--font-display); font-weight: 700; color: var(--green-dark); font-size: 1rem; }

/* ---- Gallery ---- */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.gallery-item { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; cursor: zoom-in; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.gallery-item:hover img { transform: scale(1.05); }

/* ---- Lightbox ---- */
.lightbox {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.9);
  z-index: 1000; align-items: center; justify-content: center;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 90vh; border-radius: var(--radius); }
.lightbox-close { position: absolute; top: 20px; right: 24px; color: #fff; font-size: 2rem; cursor: pointer; }

/* ---- Admin Sidebar ---- */
.admin-layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 260px; background: var(--navy); color: var(--white);
  display: flex; flex-direction: column; flex-shrink: 0;
  position: fixed; left: 0; top: 0; bottom: 0; z-index: 50; overflow-y: auto;
}
.sidebar-brand {
  padding: 24px 20px 20px; border-bottom: 1px solid rgba(255,255,255,.08);
  font-family: var(--font-display); font-size: 1.25rem; font-weight: 700;
}
.sidebar-brand .dot { color: var(--green); }
.sidebar-nav { padding: 12px 10px; flex: 1; }
.sidebar-section-title {
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: rgba(255,255,255,.35); padding: 14px 10px 6px;
}
.sidebar-nav a {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px; border-radius: 10px; color: rgba(255,255,255,.7);
  font-size: .92rem; font-weight: 500; transition: all var(--transition);
  margin-bottom: 2px;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
  background: rgba(16,185,129,.15); color: var(--white);
}
.sidebar-nav a.active { color: var(--green); }
.sidebar-nav a .badge { margin-left: auto; }
.sidebar-footer { padding: 16px; border-top: 1px solid rgba(255,255,255,.08); }
.sidebar-user { display: flex; align-items: center; gap: 10px; }
.sidebar-avatar {
  width: 36px; height: 36px; border-radius: 50%; background: var(--green);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .9rem;
}
.sidebar-user-info .name { font-size: .9rem; font-weight: 600; }
.sidebar-user-info .role { font-size: .78rem; color: rgba(255,255,255,.45); }

.admin-main { margin-left: 260px; flex: 1; min-height: 100vh; }
.admin-topbar {
  background: var(--white); border-bottom: 1px solid var(--gray-xlight);
  padding: 0 32px; height: 64px; display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 40; box-shadow: 0 1px 8px rgba(0,0,0,.05);
}
.admin-content { padding: 32px; }

/* ---- Charts ---- */
.chart-wrap { position: relative; height: 220px; }

/* ---- Modals ---- */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(15,23,42,.5); z-index: 200;
  align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--white); border-radius: var(--radius-lg);
  max-width: 560px; width: 100%; max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-header { padding: 24px 24px 0; display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-family: var(--font-display); font-size: 1.2rem; }
.modal-close { background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--gray); padding: 4px; }
.modal-body { padding: 20px 24px; }
.modal-footer { padding: 0 24px 24px; display: flex; gap: 10px; justify-content: flex-end; }

/* ---- Footer ---- */
footer {
  background: var(--navy); color: rgba(255,255,255,.65);
  padding: 48px 0 24px; margin-top: 80px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .name { font-family: var(--font-display); font-size: 1.3rem; color: var(--white); margin-bottom: 10px; }
.footer-brand p { font-size: .88rem; line-height: 1.6; }
.footer-col h4 { color: var(--white); font-weight: 600; margin-bottom: 14px; font-size: .9rem; }
.footer-col a { display: block; color: rgba(255,255,255,.55); font-size: .88rem; margin-bottom: 8px; transition: color var(--transition); }
.footer-col a:hover { color: var(--green); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; font-size: .85rem; }

/* ---- Tabs ---- */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--gray-xlight); margin-bottom: 28px; }
.tab-btn {
  padding: 10px 20px; font-weight: 600; font-size: .92rem; color: var(--gray);
  border: none; background: none; cursor: pointer; border-bottom: 2px solid transparent;
  margin-bottom: -2px; transition: all var(--transition); border-radius: 8px 8px 0 0;
}
.tab-btn:hover { color: var(--slate); background: var(--gray-xlight); }
.tab-btn.active { color: var(--green-dark); border-bottom-color: var(--green); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ---- Misc ---- */
.divider { border: none; border-top: 1px solid var(--gray-xlight); margin: 24px 0; }
.text-green  { color: var(--green-dark); }
.text-gray   { color: var(--gray); }
.text-red    { color: var(--red); }
.text-amber  { color: var(--amber); }
.text-center { text-align: center; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.gap-8  { gap: 8px; }
.flex  { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--gray); }
.empty-state i { font-size: 3rem; margin-bottom: 16px; opacity: .4; }
.loading { display: flex; align-items: center; justify-content: center; padding: 40px; }
.spinner { width: 32px; height: 32px; border: 3px solid var(--gray-xlight); border-top-color: var(--green); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Sticky don box */
.don-sticky { position: sticky; top: 88px; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .navbar-nav, .navbar-actions { display: none; }
  .navbar-nav.open, .navbar-actions.open { display: flex; flex-direction: column; }
  .hamburger { display: block; }
  .navbar-inner { position: relative; }
  .nav-mobile-menu {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--gray-xlight);
    padding: 12px; box-shadow: var(--shadow); flex-direction: column; gap: 4px; z-index: 99;
  }
  .nav-mobile-menu.open { display: flex; }
  .nav-mobile-menu a { padding: 12px 16px; border-radius: 8px; font-weight: 500; color: var(--slate); }
  .nav-mobile-menu a:hover { background: var(--green-xlight); color: var(--green-dark); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .hero-stats { gap: 24px; }
  .row { gap: 16px; }
  .col-2, .col-3, .col-4 { flex: 0 0 100%; }
  .section { padding: 40px 0; }
  .admin-layout { flex-direction: column; }
  .sidebar { position: fixed; width: 260px; transform: translateX(-100%); transition: transform .3s; }
  .sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .admin-content { padding: 20px 16px; }
  .admin-topbar { padding: 0 16px; }
  .don-sticky { position: static; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .tabs { overflow-x: auto; }
}
@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .btn-lg { padding: 12px 22px; }
  .stat-card { padding: 16px; }
}
