/* ─── TOKENS ─────────────────────────────────────────────────────────────── */
:root {
  --green-900: #0f2419;
  --green-800: #1b3a2a;
  --green-700: #244d38;
  --green-600: #2e6347;
  --green-400: #4a9b6a;
  --green-100: #e8f3ec;
  --green-50:  #f2f8f4;

  --neutral-900: #141414;
  --neutral-700: #3a3a3a;
  --neutral-500: #737373;
  --neutral-300: #d4d4d4;
  --neutral-100: #f5f5f3;
  --neutral-50:  #fafaf8;

  --white: #ffffff;
  --danger: #c0392b;
  --danger-light: #fdf0ef;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 4px;
  --radius-md: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.12);
  --transition: 160ms ease;
}

/* ─── RESET ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-weight: 400;
  color: var(--neutral-900);
  background: var(--neutral-50);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
main { flex: 1; }

/* ─── LAYOUT ─────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
.container--narrow {
  max-width: 640px;
}

/* ─── HEADER ─────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--neutral-300);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--green-800);
  text-decoration: none;
}
.logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
}
.logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.logo-name {
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green-800);
  line-height: 1;
}
.logo-baseline {
  font-size: .65rem;
  font-weight: 400;
  font-style: italic;
  letter-spacing: .04em;
  color: var(--neutral-500);
  line-height: 1;
  white-space: nowrap;
}
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--neutral-700);
  transition: color var(--transition);
}
.nav-link:hover { color: var(--green-800); }
.nav-user {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-name {
  font-size: .85rem;
  color: var(--neutral-700);
}
.avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--neutral-300);
}
.avatar-initials {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--green-800);
  color: var(--white);
  font-size: .72rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 2px solid var(--green-700);
}

/* ─── FOOTER ─────────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--neutral-300);
  background: var(--white);
  margin-top: auto;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.footer-brand {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green-800);
}
.footer-copy {
  font-size: .78rem;
  color: var(--neutral-500);
}

/* ─── BUTTONS ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .03em;
  padding: 9px 20px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--green-800);
  color: var(--white);
}
.btn-primary:hover { background: var(--green-700); }
.btn-ghost {
  background: transparent;
  color: var(--neutral-700);
  border: 1px solid var(--neutral-300);
}
.btn-ghost:hover { background: var(--neutral-100); }
.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid #e8c5c2;
}
.btn-danger:hover { background: var(--danger-light); }
.btn-sm { padding: 6px 14px; font-size: .78rem; }
.btn-full { width: 100%; justify-content: center; }

/* ─── FLASH MESSAGES ─────────────────────────────────────────────────────── */
.flash-container { padding: 12px 32px; }
.flash {
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: .84rem;
  margin-bottom: 8px;
}
.flash-success { background: var(--green-100); color: var(--green-800); border-left: 3px solid var(--green-600); }
.flash-error   { background: var(--danger-light); color: var(--danger); border-left: 3px solid var(--danger); }
.flash-info    { background: var(--neutral-100); color: var(--neutral-700); border-left: 3px solid var(--neutral-300); }

/* ─── HERO ───────────────────────────────────────────────────────────────── */
.hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--neutral-300);
  background: var(--white);
}
.hero-label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: 16px;
}
.hero-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  letter-spacing: -.02em;
  color: var(--neutral-900);
  line-height: 1.15;
  max-width: 640px;
  margin-bottom: 16px;
}
.hero-sub {
  font-size: 1rem;
  color: var(--neutral-500);
  max-width: 480px;
  margin-bottom: 32px;
}

/* ─── GALLERY ────────────────────────────────────────────────────────────── */
.gallery-section { padding: 56px 0 80px; }
.gallery-meta {
  display: flex;
  align-items: center;
  margin-bottom: 32px;
}
.gallery-count {
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--neutral-500);
  font-weight: 500;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

/* ─── PHOTO CARD ─────────────────────────────────────────────────────────── */
.photo-card {
  background: var(--white);
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.photo-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.photo-card-img-wrap {
  display: block;
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
  background: var(--neutral-100);
}
.photo-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}
.photo-card:hover .photo-card-img { transform: scale(1.03); }
.photo-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 36, 25, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 220ms ease;
}
.photo-card:hover .photo-card-overlay { background: rgba(15, 36, 25, .35); }
.photo-card-view {
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0;
  transition: opacity 220ms ease;
}
.photo-card:hover .photo-card-view { opacity: 1; }
.photo-card-body { padding: 18px 20px 20px; }
.photo-card-title {
  font-size: .95rem;
  font-weight: 500;
  color: var(--neutral-900);
  margin-bottom: 4px;
  line-height: 1.3;
}
.photo-card-desc {
  font-size: .82rem;
  color: var(--neutral-500);
  line-height: 1.5;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.photo-card-author {
  display: block;
  font-size: .75rem;
  color: var(--neutral-500);
  margin-bottom: 10px;
  font-style: italic;
}
.photo-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--neutral-100);
}
.vote-count {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: .8rem;
  color: var(--neutral-500);
}
.vote-num { font-weight: 600; color: var(--neutral-900); }

/* ─── VOTE BUTTONS ───────────────────────────────────────────────────────── */
.btn-vote {
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .04em;
  padding: 6px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--neutral-300);
  color: var(--neutral-700);
  background: var(--white);
  transition: all var(--transition);
}
.btn-vote:hover:not(:disabled) {
  border-color: var(--green-600);
  color: var(--green-700);
}
.btn-vote--active {
  background: var(--green-800);
  border-color: var(--green-800);
  color: var(--white) !important;
}
.btn-vote--active:hover:not(:disabled) {
  background: var(--green-700);
  border-color: var(--green-700);
}
.btn-vote:disabled { opacity: .6; cursor: default; }
.btn-vote-login {
  font-size: .78rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--neutral-300);
  color: var(--neutral-500);
}
.btn-vote-login:hover { border-color: var(--green-600); color: var(--green-700); }

/* ─── PHOTO DETAIL ───────────────────────────────────────────────────────── */
.photo-detail-section { padding: 48px 0 80px; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--neutral-500);
  margin-bottom: 40px;
  transition: color var(--transition);
}
.back-link:hover { color: var(--green-800); }
.photo-detail-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 56px;
  align-items: start;
}
.photo-detail-img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--neutral-100);
  box-shadow: var(--shadow-lg);
}
.photo-detail-img { width: 100%; display: block; }
.photo-detail-title {
  font-size: 1.9rem;
  font-weight: 300;
  letter-spacing: -.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.photo-detail-author {
  font-size: .82rem;
  color: var(--neutral-500);
  font-style: italic;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
}
.photo-detail-desc {
  font-size: .95rem;
  color: var(--neutral-500);
  line-height: 1.7;
  margin-bottom: 32px;
}
.photo-detail-stats {
  display: flex;
  gap: 32px;
  padding: 20px 0;
  border-top: 1px solid var(--neutral-300);
  border-bottom: 1px solid var(--neutral-300);
  margin-bottom: 28px;
}
.stat-block { display: flex; flex-direction: column; gap: 2px; }
.stat-num { font-size: 2rem; font-weight: 300; color: var(--neutral-900); line-height: 1; }
.stat-label { font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--neutral-500); }
.btn-vote-large {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--neutral-300);
  font-size: .88rem;
  font-weight: 500;
  color: var(--neutral-700);
  background: var(--white);
  transition: all var(--transition);
  margin-bottom: 12px;
}
.btn-vote-large:hover:not(:disabled) {
  border-color: var(--green-600);
  color: var(--green-700);
}
.btn-vote-large--active {
  background: var(--green-800);
  border-color: var(--green-800);
  color: var(--white) !important;
}
.btn-vote-large--active:hover:not(:disabled) { background: var(--green-700); }
.btn-vote-large:disabled { opacity: .6; cursor: default; }
.vote-hint {
  font-size: .78rem;
  color: var(--neutral-500);
  text-align: center;
  margin-top: 8px;
}
.vote-quota {
  font-size: .78rem;
  color: var(--neutral-500);
  text-align: center;
  margin-top: 10px;
  line-height: 1.5;
}
.vote-quota strong { color: var(--green-700); }
.photo-meta {
  font-size: .78rem;
  color: var(--neutral-500);
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--neutral-100);
}

/* ─── AUTH ───────────────────────────────────────────────────────────────── */
.auth-section {
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 32px;
}
.auth-card {
  background: var(--white);
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-md);
  padding: 48px 44px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-md);
  text-align: center;
}
.auth-header { margin-bottom: 32px; }
.auth-title {
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: -.01em;
  margin-bottom: 8px;
}
.auth-subtitle { font-size: .88rem; color: var(--neutral-500); }
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 12px 20px;
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius);
  font-size: .88rem;
  font-weight: 500;
  color: var(--neutral-700);
  background: var(--white);
  transition: all var(--transition);
  margin-bottom: 20px;
}
.btn-google:hover { border-color: var(--neutral-500); box-shadow: var(--shadow-sm); }
.auth-note {
  font-size: .78rem;
  color: var(--neutral-500);
  line-height: 1.6;
}

/* ─── ADMIN ──────────────────────────────────────────────────────────────── */
.admin-section { padding: 48px 0 80px; }
.admin-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}
.section-label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: 8px;
}
.section-title {
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: -.02em;
}
.admin-table-wrap {
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--white);
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .84rem;
}
.admin-table thead { background: var(--neutral-50); border-bottom: 1px solid var(--neutral-300); }
.admin-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--neutral-500);
}
.admin-table td { padding: 14px 16px; border-bottom: 1px solid var(--neutral-100); vertical-align: middle; }
.admin-table tbody tr:last-child td { border-bottom: none; }
.admin-table tbody tr:hover td { background: var(--neutral-50); }
.row-inactive { opacity: .5; }
.admin-thumb {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--neutral-300);
}
.admin-photo-title { display: block; font-weight: 500; margin-bottom: 2px; }
.admin-photo-desc { display: block; font-size: .78rem; color: var(--neutral-500); }
.admin-author { color: var(--neutral-600); font-size: .82rem; font-style: italic; }
.admin-actions { display: flex; gap: 8px; }
.vote-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 24px;
  padding: 0 8px;
  background: var(--green-50);
  color: var(--green-800);
  font-size: .78rem;
  font-weight: 600;
  border-radius: 100px;
}
.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
}
.status-active { background: var(--green-100); color: var(--green-700); }
.status-hidden { background: var(--neutral-100); color: var(--neutral-500); }

/* ─── UPLOAD FORM ────────────────────────────────────────────────────────── */
.upload-form { background: var(--white); border: 1px solid var(--neutral-300); border-radius: var(--radius-md); padding: 40px; margin-top: 32px; }
.form-group { margin-bottom: 24px; }
.form-label { display: block; font-size: .82rem; font-weight: 500; color: var(--neutral-700); margin-bottom: 8px; }
.required { color: var(--green-600); }
.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .88rem;
  color: var(--neutral-900);
  background: var(--white);
  transition: border-color var(--transition);
}
.form-input:focus { outline: none; border-color: var(--green-600); }
.form-textarea { resize: vertical; min-height: 80px; }
.upload-zone {
  position: relative;
  border: 2px dashed var(--neutral-300);
  border-radius: var(--radius-md);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  background: var(--neutral-50);
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--green-600);
  background: var(--green-50);
}
.upload-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.upload-placeholder svg { margin: 0 auto 12px; color: var(--neutral-500); }
.upload-placeholder p { font-size: .88rem; color: var(--neutral-500); }
.upload-link { color: var(--green-700); font-weight: 500; }
.upload-hint { font-size: .75rem; color: var(--neutral-500); margin-top: 4px; }
.upload-preview { max-height: 280px; width: auto; max-width: 100%; margin: 0 auto; border-radius: var(--radius); object-fit: contain; }
.form-actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; padding-top: 24px; border-top: 1px solid var(--neutral-100); margin-top: 8px; }

/* ─── EMPTY STATE ────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--neutral-500);
}
.empty-state svg { margin: 0 auto 16px; opacity: .4; }
.empty-state p { font-size: .95rem; margin-bottom: 24px; }

/* ─── ERROR ──────────────────────────────────────────────────────────────── */
.error-section {
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  padding: 80px 0;
}
.error-code { font-size: 5rem; font-weight: 200; color: var(--neutral-300); line-height: 1; margin-bottom: 8px; }
.error-title { font-size: 1.6rem; font-weight: 300; margin-bottom: 32px; }

/* ─── MODAL ──────────────────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 20, 14, .5);
  backdrop-filter: blur(3px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-box {
  background: var(--white);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modal-in 180ms ease;
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(12px) scale(.98); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px 0;
}
.modal-title {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -.01em;
}
.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: var(--neutral-500);
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: var(--neutral-100); color: var(--neutral-900); }
.modal-preview-wrap {
  padding: 20px 28px 4px;
}
.modal-thumb {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--neutral-300);
}
#edit-form .form-group { padding: 0 28px; }
#edit-form .form-group:first-of-type { margin-top: 20px; }
.form-group--inline { display: flex; align-items: center; }
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 20px 28px 24px;
  border-top: 1px solid var(--neutral-100);
  margin-top: 20px;
}
.edit-error {
  margin: 0 28px 4px;
  padding: 10px 14px;
  background: var(--danger-light);
  color: var(--danger);
  border-radius: var(--radius);
  font-size: .82rem;
  border-left: 3px solid var(--danger);
}

/* Toggle switch */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}
.toggle-input { display: none; }
.toggle-track {
  position: relative;
  width: 40px;
  height: 22px;
  background: var(--neutral-300);
  border-radius: 100px;
  transition: background var(--transition);
  flex-shrink: 0;
}
.toggle-input:checked + .toggle-track { background: var(--green-700); }
.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: var(--white);
  border-radius: 50%;
  transition: transform var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.toggle-input:checked + .toggle-track .toggle-thumb { transform: translateX(18px); }
.toggle-text { font-size: .85rem; color: var(--neutral-700); }

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .photo-detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 40px; }
  .hero-title { font-size: 1.8rem; }
  .admin-header { flex-direction: column; align-items: flex-start; }
  .upload-form { padding: 24px; }
  .auth-card { padding: 32px 24px; }
}