/* ===================================================================
   NanE Admin — Styles
   Glassmorphism design language matching the main app.
   =================================================================== */

/* ===== Design Tokens ===== */
:root {
  /* Colors */
  --bg: #eeeaf4;
  --card: rgba(255, 255, 255, 0.42);
  --card-strong: rgba(255, 255, 255, 0.6);
  --line: rgba(180, 165, 210, 0.35);
  --text: #1f1f1f;
  --muted: #7b6ba0;
  --text-strong: #3d3558;
  --purple: #6E0065;
  --purple-soft: rgba(110, 0, 101, 0.1);
  --purple-glow: rgba(110, 0, 101, 0.22);
  --on-accent: #fff;
  --shadow: 0 4px 20px rgba(139, 111, 175, 0.12);

  /* Semantic colors */
  --danger: #b3261e;
  --success: #25735a;
  --warning: #b8860b;
  --info: #3d5a99;

  /* Border Radii */
  --radius-pill: 999px;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;

  /* Font Weights */
  --fw-black: 900;
  --fw-heavy: 650;
  --fw-bold: 600;
  --fw-normal: 400;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
}

/* ===== Reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 85% 90%, rgba(220, 210, 235, 0.5) 0%, rgba(255,255,255,0) 40%),
    radial-gradient(circle at 15% 70%, rgba(230, 222, 242, 0.55) 0%, rgba(255,255,255,0) 50%),
    radial-gradient(circle at 50% 100%, rgba(235, 230, 245, 0.4) 0%, rgba(255,255,255,0) 45%),
    #faf8fc;
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.5;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
  white-space: nowrap;
}

/* ===== Glass Base ===== */
.glass {
  border: 1px solid var(--line);
  background: var(--card);
  backdrop-filter: blur(18px) saturate(1.3);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  box-shadow: var(--shadow);
}

/* ===== Buttons ===== */
.primary,
.secondary,
.danger {
  border: 0;
  border-radius: var(--radius-pill);
  font-weight: var(--fw-heavy);
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
}

.primary {
  background: rgba(110, 0, 101, 0.78);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  color: var(--on-accent);
  box-shadow:
    inset 0 0 14px rgba(255, 255, 255, 0.08),
    0 6px 20px rgba(139, 111, 175, 0.2);
}

.primary:hover:not(:disabled) {
  background: rgba(110, 0, 101, 0.88);
  transform: translateY(-1px);
  box-shadow:
    inset 0 0 18px rgba(255, 255, 255, 0.12),
    0 10px 28px rgba(139, 111, 175, 0.3);
}

.primary:active:not(:disabled) {
  transform: translateY(0);
}

.primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.secondary {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  color: var(--purple);
  box-shadow:
    inset 0 0 12px rgba(255, 255, 255, 0.08),
    0 2px 8px rgba(139, 111, 175, 0.08);
}

.secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.6);
  box-shadow:
    inset 0 0 16px rgba(255, 255, 255, 0.12),
    0 4px 14px rgba(139, 111, 175, 0.14);
  transform: translateY(-1px);
}

.secondary:active:not(:disabled) {
  transform: translateY(0);
}

.secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.danger {
  background: var(--danger);
  color: var(--on-accent);
  transition: filter 0.15s, transform 0.15s;
}

.danger:hover:not(:disabled) {
  filter: brightness(1.15);
  transform: translateY(-1px);
}

.danger:active:not(:disabled) {
  transform: translateY(0);
}

.danger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.small {
  padding: 0 18px;
  min-height: 42px;
  min-width: 72px;
  font-size: 14px;
}

.wide {
  width: 100%;
  min-height: 50px;
}

/* ===== Login Section ===== */
.login-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-xl);
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  text-align: center;
}

.login-brand h1 {
  margin: 0;
  font-family: "Times New Roman", "Georgia", serif;
  font-size: 32px;
  font-weight: var(--fw-black);
  color: var(--purple);
}

.login-brand p {
  margin: 4px 0 var(--space-xl);
  color: var(--muted);
  font-size: 14px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.login-form input {
  width: 100%;
}

.login-hint {
  margin: var(--space-lg) 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: var(--fw-bold);
}

/* ===== Admin Header ===== */
.admin-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  margin-bottom: var(--space-xl);
  border-radius: var(--radius-lg);
}

.header-left {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}

.header-left h1 {
  margin: 0;
  font-family: "Times New Roman", "Georgia", serif;
  font-size: 24px;
  font-weight: var(--fw-black);
  color: var(--purple);
}

.header-sub {
  color: var(--muted);
  font-size: 13px;
  font-weight: var(--fw-bold);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header-admin {
  color: var(--muted);
  font-size: 13px;
  font-weight: var(--fw-bold);
}

/* ===== Dashboard ===== */
.dashboard {
  min-height: 100vh;
}

.admin-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-xl) 100px;
}

/* ===== Stats Grid ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.stat-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 20px;
  font-weight: var(--fw-black);
}

.stat-body {
  min-width: 0;
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.02em;
  margin-bottom: 2px;
}

.stat-value {
  display: block;
  font-size: 28px;
  font-weight: var(--fw-black);
  color: var(--text-strong);
  line-height: 1;
}

/* ===== Toolbar ===== */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.toolbar-left select {
  min-width: 140px;
}

.select-all-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--muted);
  font-size: 14px;
  font-weight: var(--fw-bold);
  cursor: pointer;
  user-select: none;
}

.select-all-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* ===== Form Elements ===== */
input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card-strong);
  color: var(--text);
  outline: none;
}

input,
select {
  height: 50px;
  padding: 0 16px;
}

textarea {
  padding: var(--space-lg) 16px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px var(--purple-soft);
}

/* ===== Items List ===== */
.items-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.item-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow);
  animation: fadeInUp 0.35s ease both;
}

.item-card:nth-child(1) { animation-delay: 0.04s; }
.item-card:nth-child(2) { animation-delay: 0.07s; }
.item-card:nth-child(3) { animation-delay: 0.10s; }
.item-card:nth-child(4) { animation-delay: 0.13s; }
.item-card:nth-child(5) { animation-delay: 0.16s; }
.item-card:nth-child(6) { animation-delay: 0.19s; }
.item-card:nth-child(7) { animation-delay: 0.22s; }
.item-card:nth-child(8) { animation-delay: 0.25s; }

.item-card:hover {
  background: var(--card-strong);
}

/* Checkbox */
.item-checkbox-label {
  flex-shrink: 0;
  padding-top: 4px;
}

.item-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Item Content */
.item-content {
  flex: 1;
  min-width: 0;
}

.item-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.item-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: var(--fw-heavy);
  color: var(--text-strong);
  line-height: 1.3;
}

.item-desc {
  margin: 0 0 var(--space-sm);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: var(--fw-bold);
}

.meta-chip {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--purple-soft);
  color: var(--purple);
  font-size: 12px;
  font-weight: var(--fw-bold);
}

.item-owner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: var(--fw-bold);
}

.reject-reason {
  margin-bottom: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: rgba(179, 38, 30, 0.08);
  color: var(--danger);
  font-size: 13px;
  font-weight: var(--fw-bold);
  line-height: 1.5;
}

.item-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

/* ===== Status Badges ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: var(--fw-black);
  white-space: nowrap;
  line-height: 1.4;
}

.badge-warning {
  background: rgba(184, 134, 11, 0.12);
  color: #8d6a00;
}

.badge-success {
  background: rgba(37, 115, 90, 0.12);
  color: #25735a;
}

.badge-danger {
  background: rgba(179, 38, 30, 0.12);
  color: #b3261e;
}

.badge-muted {
  background: rgba(123, 107, 160, 0.12);
  color: var(--muted);
}

.badge-info {
  background: rgba(61, 90, 153, 0.12);
  color: #3d5a99;
}

/* ===== Batch Action Bar ===== */
.batch-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  box-shadow: 0 -4px 20px rgba(139, 111, 175, 0.08);
  animation: batchBarIn 0.3s ease;
}

@keyframes batchBarIn {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

/* ===== Item Thumbnails ===== */
.item-thumbnails {
  display: flex;
  gap: 8px;
  margin: 10px 0;
  flex-wrap: wrap;
}

.item-thumbnails img {
  width: 120px;
  height: 90px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: transform var(--motion-fast);
  background: var(--purple-soft);
}

.item-thumbnails img:hover {
  transform: scale(1.05);
  border-color: var(--purple);
}

.batch-bar[hidden] {
  display: none !important;
}

#selected-count {
  font-weight: var(--fw-heavy);
  color: var(--text-strong);
  font-size: 14px;
  white-space: nowrap;
}

.batch-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ===== Admin Management Section ===== */
.admin-section {
  margin-top: var(--space-lg);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--card);
  backdrop-filter: blur(18px) saturate(1.3);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  box-shadow: var(--shadow);
}

.admin-section-head h3 {
  margin: 0 0 var(--space-lg);
  font-size: 20px;
  font-weight: var(--fw-black);
  color: var(--text-strong);
}

.admin-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.admin-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.3);
  border: 1px solid var(--line);
}

.admin-name {
  flex: 1;
  font-weight: var(--fw-heavy);
  color: var(--text-strong);
  font-size: 14px;
}

.admin-role-pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: var(--fw-black);
  white-space: nowrap;
}

.admin-role-super_admin {
  background: rgba(110, 0, 101, 0.15);
  color: #6E0065;
}

.admin-role-moderator {
  background: rgba(37, 115, 90, 0.12);
  color: #25735a;
}

.admin-role-viewer {
  background: rgba(123, 107, 160, 0.12);
  color: var(--muted);
}

.admin-self-tag {
  font-size: 12px;
  color: var(--muted);
  font-weight: var(--fw-bold);
  padding: 0 4px;
}

.admin-row-actions {
  flex-shrink: 0;
}

.admin-add-row {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  align-items: stretch;
  flex-wrap: wrap;
}

.admin-add-row input,
.admin-add-row select {
  flex: 1;
  min-width: 140px;
}

.admin-add-row button {
  flex-shrink: 0;
  min-height: 50px;
}

/* ===== Building Activity Admin ===== */
.activity-admin-section {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

.activity-admin-head {
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
  align-items: flex-start;
  margin-bottom: var(--space-lg);
}

.activity-admin-head h3 {
  margin: 0 0 4px;
  color: var(--text-strong);
  font-size: 20px;
  font-weight: var(--fw-black);
}

.activity-admin-head p,
.activity-admin-last {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: var(--fw-bold);
}

.activity-admin-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: flex-end;
}

.activity-admin-controls select {
  min-width: 128px;
}

.activity-admin-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.activity-admin-stats div {
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.32);
  border: 1px solid var(--line);
}

.activity-admin-stats span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: var(--fw-bold);
  margin-bottom: 4px;
}

.activity-admin-stats strong {
  color: var(--text-strong);
  font-size: 22px;
  font-weight: var(--fw-black);
}

.activity-admin-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.activity-admin-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.28);
}

.activity-admin-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.activity-admin-main strong {
  color: var(--text-strong);
  font-size: 15px;
  font-weight: var(--fw-black);
}

.activity-admin-main span,
.activity-admin-main small {
  color: var(--muted);
  font-size: 12px;
  font-weight: var(--fw-bold);
}

.item-card-focus {
  animation: adminFocusPulse 1.6s ease;
}

@keyframes adminFocusPulse {
  0%, 100% { box-shadow: var(--shadow); }
  35% { box-shadow: 0 0 0 4px rgba(110, 0, 101, 0.18), var(--shadow); }
}

/* ===== Dialog ===== */
.modal-dialog {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  max-width: 460px;
  width: min(460px, calc(100vw - 24px));
  background: var(--card);
  backdrop-filter: blur(28px) saturate(1.4);
  -webkit-backdrop-filter: blur(28px) saturate(1.4);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.25);
  color: var(--text);
}

.modal-dialog::backdrop {
  background: rgba(31, 31, 31, 0.36);
}

.modal-dialog[open] {
  animation: dialogIn 0.25s ease;
}

@keyframes dialogIn {
  from { opacity: 0; transform: scale(0.95) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.dialog-head h3 {
  margin: 0;
  font-size: 20px;
  font-weight: var(--fw-black);
  color: var(--text-strong);
}

.dialog-close {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  color: var(--muted);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

.dialog-close:hover {
  background: rgba(255, 255, 255, 0.4);
  color: var(--text);
}

.dialog-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.dialog-actions .primary,
.dialog-actions .secondary {
  flex: 1;
  min-height: 46px;
}

/* ===== Toast ===== */
#toastContainer {
  position: fixed;
  top: max(16px, env(safe-area-inset-top, 0px));
  right: 16px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 380px;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--text);
  color: var(--on-accent);
  font-weight: var(--fw-heavy);
  line-height: 1.5;
  cursor: pointer;
  animation: toastIn 0.3s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}

.toast-out {
  animation: toastOut 0.25s ease forwards;
}

.toast-msg {
  flex: 1;
  min-width: 0;
}

.toast-error {
  background: var(--danger);
  color: #fff;
}

.toast-success {
  background: #3d7a33;
  color: #fff;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(24px); }
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--muted);
  font-weight: var(--fw-heavy);
  font-size: 14px;
}

/* ===== Fade In Up Animation ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== Responsive: ≤900px ===== */
@media (max-width: 900px) {
  .admin-main {
    padding: 0 var(--space-lg) 100px;
  }

  .admin-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .header-right {
    width: 100%;
    justify-content: flex-end;
  }
}

/* ===== Responsive: ≤680px ===== */
@media (max-width: 680px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .admin-main {
    padding: 0 var(--space-lg) 100px;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-left {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-left select {
    min-width: 100%;
  }

  .select-all-label {
    justify-content: flex-end;
  }

  .item-card {
    flex-direction: column;
  }

  .item-checkbox-label {
    align-self: flex-start;
  }

  .item-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .item-actions {
    flex-direction: column;
  }

  .item-actions button {
    width: 100%;
  }

  .batch-bar {
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
  }

  .batch-actions {
    width: 100%;
    justify-content: stretch;
  }

  .batch-actions button {
    flex: 1;
  }

  .activity-admin-head {
    flex-direction: column;
  }

  .activity-admin-controls,
  .activity-admin-controls select,
  .activity-admin-controls button {
    width: 100%;
  }

  .activity-admin-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .activity-admin-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
}

/* ===== Responsive: ≤480px ===== */
@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: repeat(1, 1fr);
  }

  .stat-value {
    font-size: 22px;
  }

  .login-card {
    padding: var(--space-xl);
  }

  .admin-header {
    padding: var(--space-md) var(--space-lg);
  }

  .admin-header h1 {
    font-size: 20px;
  }

  .item-header h3 {
    font-size: 16px;
  }

  .modal-dialog {
    width: calc(100vw - 16px);
    padding: var(--space-lg);
  }

  .activity-admin-section {
    padding: var(--space-lg);
  }

  .activity-admin-stats {
    grid-template-columns: 1fr;
  }

  #toastContainer {
    left: 12px;
    right: 12px;
    max-width: none;
  }
}

/* ===== Dark Mode ===== */
[data-theme="dark"] {
  --bg: #1a1a1a;
  --card: #2a2a2a;
  --card-strong: #333333;
  --line: #3a3a3a;
  --text: #e8e8e8;
  --muted: #a0a0a0;
  --text-strong: #c0b8a8;
  --shadow: 0 14px 38px rgba(0, 0, 0, 0.3);
  --purple-soft: rgba(110, 0, 101, 0.2);
  --purple-glow: rgba(110, 0, 101, 0.35);

  --badge-warning-bg: rgba(184, 134, 11, 0.15);
  --badge-success-bg: rgba(37, 115, 90, 0.15);
  --badge-danger-bg: rgba(179, 38, 30, 0.15);
}

[data-theme="dark"] body {
  background:
    radial-gradient(circle at 85% 90%, rgba(60, 20, 60, 0.3) 0%, transparent 40%),
    radial-gradient(circle at 15% 70%, rgba(60, 25, 60, 0.2) 0%, transparent 50%),
    #1a1a1a;
}

[data-theme="dark"] .secondary {
  background: #3d3d3d;
  color: #d8d8d8;
}

[data-theme="dark"] .secondary:hover:not(:disabled) {
  background: #4a4a4a;
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background: var(--card-strong);
  color: var(--text);
  border-color: var(--line);
}

[data-theme="dark"] .badge-warning {
  background: rgba(184, 134, 11, 0.15);
  color: #fdd835;
}

[data-theme="dark"] .badge-success {
  background: rgba(37, 115, 90, 0.15);
  color: #81c784;
}

[data-theme="dark"] .badge-danger {
  background: rgba(179, 38, 30, 0.15);
  color: #f28b82;
}

[data-theme="dark"] .badge-muted {
  background: rgba(160, 160, 160, 0.12);
  color: #a0a0a0;
}

[data-theme="dark"] .badge-info {
  background: rgba(100, 140, 200, 0.15);
  color: #90caf9;
}

[data-theme="dark"] .dialog-close {
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .dialog-close:hover {
  background: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .batch-bar {
  background: rgba(42, 42, 42, 0.88);
}

[data-theme="dark"] .admin-row {
  background: rgba(42, 42, 42, 0.5);
  border-color: var(--line);
}

[data-theme="dark"] .activity-admin-stats div,
[data-theme="dark"] .activity-admin-row {
  background: rgba(42, 42, 42, 0.5);
  border-color: var(--line);
}

[data-theme="dark"] .modal-dialog::backdrop {
  background: rgba(0, 0, 0, 0.6);
}