/* =====================================================================
   เก็บเงิน ม.5/6 — admin.css
   หน้าล็อกอิน · แผงควบคุมผู้ดูแล · ตารางจัดการข้อมูล
   ===================================================================== */

/* ------------------------- 1. AUTH GATE / LOGIN --------------------- */
.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 250;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--bg);
  color: var(--ink-600);
  font-size: .88rem;
  font-weight: 600;
}

.auth-body {
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(99, 102, 241, .18), transparent 62%),
    radial-gradient(760px 380px at 90% 6%, rgba(16, 185, 129, .14), transparent 60%),
    var(--bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 18px;
}

.auth-shell {
  width: 100%;
  max-width: 428px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.auth-card {
  width: 100%;
  padding: 32px 28px 26px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.auth-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  margin-bottom: 22px;
}
.auth-brand h1 { font-size: 1.3rem; }
.auth-brand p { font-size: .84rem; color: var(--muted); }

.auth-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border-soft);
  font-size: .84rem;
}
.auth-links a { display: inline-flex; align-items: center; gap: 7px; font-weight: 600; }
.auth-links a svg { width: 15px; height: 15px; }

.auth-foot { font-size: .76rem; text-align: center; }

/* --------------------------- 2. ADMIN SHELL ------------------------- */
.admin-body { background: var(--bg); }

.admin-shell {
  display: flex;
  min-height: 100vh;
  align-items: stretch;
}

.admin-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 90;
  width: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-right: 1px solid var(--border-soft);
}

.sidebar-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 18px 14px;
}
.sidebar-close {
  display: none;
  margin-left: auto;
  border: 0; background: transparent; color: var(--ink-500);
  width: 34px; height: 34px; border-radius: var(--radius-xs);
  align-items: center; justify-content: center;
}
.sidebar-close:hover { background: var(--ink-100); color: var(--ink-800); }
.sidebar-close svg { width: 18px; height: 18px; }

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 8px 12px;
  flex: 1;
  overflow-y: auto;
}
.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 10px 13px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink-600);
  font-size: .885rem;
  font-weight: 600;
  text-align: left;
  transition: background var(--tr), color var(--tr);
}
.admin-nav-item svg { width: 18px; height: 18px; flex: none; }
.admin-nav-item:hover { background: var(--ink-100); color: var(--ink-900); }
.admin-nav-item.is-active { background: var(--brand-50); color: var(--brand-700); }

.sidebar-foot {
  padding: 14px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: var(--ink-50);
}
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  flex: none;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--brand-500), var(--brand-700));
  color: #fff;
  font-weight: 700;
  font-size: .9rem;
  text-transform: uppercase;
}
.user-meta { min-width: 0; display: flex; flex-direction: column; }
.user-meta strong { font-size: .84rem; font-weight: 700; }
.user-meta small {
  font-size: .72rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 85;
  background: rgba(15, 23, 42, .45);
  animation: fade-in 160ms ease-out;
}

.admin-main {
  flex: 1;
  min-width: 0;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 70;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 22px;
  min-height: var(--header-h);
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border-soft);
}
.sidebar-toggle {
  display: none;
  align-items: center; justify-content: center;
  width: 40px; height: 40px; flex: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink-700);
}
.sidebar-toggle svg { width: 20px; height: 20px; }

.topbar-title { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.topbar-title h1 { font-size: 1.05rem; }
.sync-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .74rem;
  font-weight: 600;
  color: var(--muted);
}
.sync-status svg { width: 13px; height: 13px; }
.sync-status.is-live { color: var(--success-600); }
.sync-status.is-live svg { animation: pulse 1.8s ease-in-out infinite; }
.sync-status.is-error { color: var(--danger-600); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

.topbar-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.admin-content { padding: 22px; flex: 1; }
.admin-content > .container { padding-inline: 0; }

/* --------------------------- 3. PANELS ------------------------------ */
.panel { display: none; animation: panel-in 220ms ease-out; }
.panel.is-active { display: block; }
@keyframes panel-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ------------------------ 4. QUICK ACTIONS -------------------------- */
.quick-actions-card { margin-bottom: 20px; }
.quick-actions-head { margin-bottom: 16px; }
.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}
.quick-action {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: left;
  transition: border-color var(--tr), box-shadow var(--tr), transform var(--tr), background var(--tr);
}
.quick-action:hover {
  border-color: var(--brand-200);
  background: var(--brand-50);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.qa-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; flex: none;
  border-radius: 12px;
  background: var(--brand-50);
  color: var(--brand-600);
}
.quick-action:hover .qa-icon { background: #fff; }
.qa-icon svg { width: 20px; height: 20px; }
.qa-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.qa-body strong { font-size: .88rem; font-weight: 700; color: var(--ink-900); }
.qa-body small { font-size: .76rem; color: var(--muted); font-weight: 500; }

/* -------------------------- 5. BULK BAR ----------------------------- */
.bulk-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 12px 22px;
  background: var(--ink-50);
  border-bottom: 1px solid var(--border-soft);
}
.bulk-info { font-size: .82rem; font-weight: 600; color: var(--ink-600); }
.bulk-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ------------------------- 6. IMAGE GALLERY ------------------------- */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}
.image-card {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--tr), transform var(--tr);
  display: flex;
  flex-direction: column;
}
.image-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.image-card-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--ink-100);
  cursor: pointer;
  overflow: hidden;
}
.image-card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.image-card-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, .5), transparent 55%);
  opacity: 0;
  transition: opacity var(--tr);
}
.image-card-thumb:hover::after { opacity: 1; }
.image-card-body { padding: 12px 13px; display: flex; flex-direction: column; gap: 5px; flex: 1; }
.image-card-body strong { font-size: .84rem; font-weight: 700; color: var(--ink-900); }
.image-card-body small { font-size: .74rem; color: var(--muted); }
.image-card-foot { display: flex; gap: 6px; padding: 0 13px 13px; margin-top: auto; }

/* ------------------------- 7. REPORT TILES -------------------------- */
.report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 12px;
}
.report-tile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 7px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: left;
  transition: border-color var(--tr), box-shadow var(--tr), transform var(--tr), background var(--tr);
}
.report-tile:hover {
  border-color: var(--brand-200);
  background: linear-gradient(135deg, var(--brand-50), var(--surface));
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.report-tile svg { width: 22px; height: 22px; color: var(--brand-600); }
.report-tile strong { font-size: .9rem; font-weight: 700; color: var(--ink-900); }
.report-tile small { font-size: .76rem; color: var(--muted); font-weight: 500; line-height: 1.5; }

/* -------------------------- 8. UPLOAD UI ---------------------------- */
.upload-box { display: flex; flex-direction: column; gap: 12px; }

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 26px 18px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--ink-50);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--tr), background var(--tr);
}
.dropzone:hover, .dropzone.is-drag { border-color: var(--brand-500); background: var(--brand-50); }
.dropzone svg { width: 26px; height: 26px; color: var(--brand-600); }
.dropzone strong { font-size: .88rem; font-weight: 700; }
.dropzone small { font-size: .76rem; color: var(--muted); }
.dropzone input[type="file"] { display: none; }

.upload-preview {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--ink-100);
}
.upload-preview img { width: 100%; max-height: 280px; object-fit: contain; }
.upload-preview-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 13px;
  background: var(--surface);
  border-top: 1px solid var(--border-soft);
  font-size: .76rem;
  color: var(--muted);
}

/* --------------------- 9. MISC ADMIN UTILITIES ---------------------- */
.cell-actions .btn[aria-busy="true"] { pointer-events: none; }

.table-note {
  padding: 10px 22px;
  font-size: .78rem;
  color: var(--muted);
  background: var(--ink-50);
  border-bottom: 1px solid var(--border-soft);
}

.panel-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  background: var(--ink-100);
  color: var(--ink-700);
  font-size: .76rem;
  font-weight: 600;
}
.chip svg { width: 13px; height: 13px; }

.danger-zone {
  border: 1px solid var(--danger-100);
  background: var(--danger-50);
  border-radius: var(--radius);
  padding: 16px;
}
.danger-zone h3 { color: var(--danger-700); font-size: .92rem; }
.danger-zone p { font-size: .8rem; color: var(--danger-700); opacity: .85; margin-top: 4px; }

.amount-input {
  width: 96px;
  padding: 7px 10px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.note-input { width: 100%; min-width: 130px; padding: 7px 10px; font-size: .82rem; }