/* EzDojo admin — modern surface UI (BEM-style classes) */
:root {
  --admin-bg: #0f1419;
  --admin-surface: #ffffff;
  --admin-surface-muted: #f4f6f9;
  --admin-border: #e2e8f0;
  --admin-text: #0f172a;
  --admin-text-muted: #64748b;
  --admin-accent: #2563eb;
  --admin-accent-hover: #1d4ed8;
  --admin-danger: #dc2626;
  --admin-danger-hover: #b91c1c;
  --admin-success-bg: #ecfdf5;
  --admin-success-text: #047857;
  --admin-error-bg: #fef2f2;
  --admin-error-text: #b91c1c;
  --admin-radius: 12px;
  --admin-radius-sm: 8px;
  --admin-shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 4px 12px rgba(15, 23, 42, 0.06);
  --admin-font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

::selection {
  background: #e2e8f0;
  color: #0f172a;
}

body.admin-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--admin-font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--admin-text);
  background: var(--admin-surface-muted);
  position: relative;
}

.admin-backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.admin-backdrop__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.08;
}

.admin-backdrop__scrim {
  position: absolute;
  inset: 0;
  background: rgba(244, 246, 249, 0.55);
}

.admin-backdrop__org-logo {
  position: absolute;
  right: -8%;
  bottom: -8%;
  max-height: min(640px, 40vh);
  width: auto;
  opacity: 0.05;
  object-fit: contain;
}

/* Shell */
.admin-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

@media (max-width: 960px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }
}

/* Sidebar */
.admin-sidebar {
  background: var(--admin-bg);
  color: #e2e8f0;
  padding: 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 100vh;
}

.admin-sidebar__brand {
  padding: 0 1.25rem 1rem;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 0.5rem;
}

.admin-sidebar__brand a {
  color: #fff;
  text-decoration: none;
}

.admin-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0 0.75rem;
  max-height: calc(100vh - 5rem);
  overflow-y: auto;
}

.admin-sidebar__section {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  padding: 1rem 0.5rem 0.35rem;
}

.admin-sidebar__link {
  display: block;
  padding: 0.45rem 0.65rem;
  border-radius: var(--admin-radius-sm);
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.875rem;
  transition: background 0.15s, color 0.15s;
}

.admin-sidebar__link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.admin-sidebar__link--active {
  background: rgba(37, 99, 235, 0.35);
  color: #fff;
}

/* Main column */
.admin-main-wrap {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.admin-topbar {
  background: var(--admin-surface);
  border-bottom: 1px solid var(--admin-border);
  padding: 1rem 1.75rem;
  box-shadow: var(--admin-shadow);
}

.admin-topbar__title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.admin-page-heading {
  margin: 0 0 1.25rem;
  font-size: 1.5rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--admin-text);
}

.admin-main {
  flex: 1;
  padding: 1.5rem 1.75rem 2.5rem;
}

/* Flash */
.admin-flash {
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--admin-radius-sm);
  font-size: 0.9rem;
}

.admin-flash--error {
  background: var(--admin-error-bg);
  color: var(--admin-error-text);
  border: 1px solid #fecaca;
}

.admin-flash--success {
  background: var(--admin-success-bg);
  color: var(--admin-success-text);
  border: 1px solid #a7f3d0;
}

/* Cards & surfaces */
.surface-card {
  background: var(--admin-surface);
  border-radius: var(--admin-radius);
  border: 1px solid var(--admin-border);
  box-shadow: var(--admin-shadow);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.surface-card__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--admin-border);
}

.surface-card__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

/* Buttons */
.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  border-radius: var(--admin-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn--primary {
  background: var(--admin-accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--admin-accent-hover);
}

.btn--ghost {
  background: transparent;
  border-color: var(--admin-border);
  color: var(--admin-text);
}

.btn--ghost:hover {
  background: var(--admin-surface-muted);
}

.btn--danger {
  background: var(--admin-danger);
  color: #fff;
}

.btn--danger:hover {
  background: var(--admin-danger-hover);
}

.btn--sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8125rem;
}

/* Tables */
.data-table-wrap {
  overflow-x: auto;
  margin: 0 -0.25rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th,
.data-table td {
  padding: 0.65rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--admin-border);
}

.data-table th {
  font-weight: 600;
  color: var(--admin-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--admin-surface-muted);
}

.data-table--striped tbody tr:nth-child(even) {
  background: #fafbfc;
}

.data-table tbody tr:hover {
  background: #f1f5f9;
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem 1.25rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-field__label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--admin-text-muted);
}

.form-input,
.form-select,
.form-textarea {
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-sm);
  background: #fff;
  color: var(--admin-text);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--admin-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-textarea {
  min-height: 88px;
  resize: vertical;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--admin-border);
}

.muted {
  color: var(--admin-text-muted);
  font-size: 0.875rem;
}

.inline-form {
  display: inline;
}

/* Login (standalone, no shell) — same backdrop as JavaFX LoginView (login-background + scrim) */
body.admin-login-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--admin-font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--admin-text);
  background-color: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  position: relative;
  isolation: isolate;
}

body.admin-login-body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background: url("../images/ezdojo/login-background.webp") center center / cover no-repeat;
  opacity: 0.6;
}

body.admin-login-body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: rgba(248, 250, 252, 0.58);
  pointer-events: none;
}

.admin-login {
  width: 100%;
  max-width: min(980px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.admin-login__footer {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  text-align: center;
}

.admin-login__footer-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--admin-text-muted);
  text-decoration: none;
  line-height: 1.4;
}

.admin-login__footer-link:hover {
  color: var(--admin-text);
  text-decoration: underline;
}

.admin-login__footer-meta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  font-size: 0.75rem;
  color: var(--admin-text-muted);
  line-height: 1.4;
}

.admin-login__footer-brand {
  white-space: nowrap;
}

.admin-login__footer-channel {
  display: inline-flex;
  align-items: center;
  padding: 0.08rem 0.45rem;
  border-radius: 999px;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #92400e;
  background: #fef3c7;
  border: 1px solid #fcd34d;
}

.admin-login__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.admin-login__logo {
  max-width: 280px;
  height: auto;
  filter: drop-shadow(0 4px 18px rgba(15, 23, 42, 0.08));
}

.admin-login__title {
  margin: 0;
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--admin-text);
  text-align: center;
}

.admin-login__title-brand {
  color: #dc2626;
}

.admin-login__lead {
  margin: 0;
  text-align: center;
}

.admin-login__workspace-section {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.admin-login__workspace-selector-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 650;
  color: var(--admin-text);
  margin-bottom: 0.75rem;
}

.admin-login__workspace-selector-label--alert {
  color: #b91c1c;
  font-size: 1.1rem;
  font-weight: 800;
}

.admin-login__workspace-selector-icon {
  color: #dc2626;
  font-size: 1.1rem;
}

.admin-login__form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  width: 100%;
}

.admin-login__workspace-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.75rem;
  width: 100%;
  margin-bottom: 0.5rem;
}

@media (max-width: 900px) {
  .admin-login__workspace-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .admin-login__workspace-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.admin-login__workspace-grid--shake {
  animation: admin-login-workspace-shake 0.45s ease-in-out;
}

@keyframes admin-login-workspace-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

@keyframes admin-login-card-shake {
  0%, 100% { transform: translateX(0); }
  10% { transform: translateX(-14px); }
  20% { transform: translateX(14px); }
  30% { transform: translateX(-11px); }
  40% { transform: translateX(11px); }
  50% { transform: translateX(-7px); }
  60% { transform: translateX(7px); }
  70% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

.admin-login__card--shake {
  animation: admin-login-card-shake 0.5s ease-in-out;
}

.admin-login__workspace-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  margin: 0;
  padding: 0.75rem 0.5rem 1rem;
  border: 3px solid transparent;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.08);
  cursor: pointer;
  font: inherit;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.admin-login__workspace-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.14);
}

.admin-login__workspace-card:focus-visible {
  outline: 2px solid var(--admin-accent, #1e40af);
  outline-offset: 2px;
}

.admin-login__workspace-card--selected {
  background: #0f172a;
  border-color: #dc2626;
  transform: scale(1.08);
  box-shadow: 0 10px 24px rgba(220, 38, 38, 0.25);
}

.admin-login__workspace-card-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
}

.admin-login__workspace-card-icon {
  width: 90px;
  height: 90px;
  object-fit: contain;
  transition: transform 0.15s ease;
}

.admin-login__workspace-card-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #111827;
  line-height: 1.2;
}

.admin-login__workspace-card-subtitle {
  font-size: 0.7rem;
  color: #6b7280;
  line-height: 1.25;
}

.admin-login__workspace-card--selected .admin-login__workspace-card-title,
.admin-login__workspace-card--selected .admin-login__workspace-card-subtitle {
  color: #f8fafc;
}

.admin-login__workspace-card-check {
  display: none;
  position: absolute;
  bottom: -0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  background: #dc2626;
  color: #fff;
  font-size: 0.75rem;
  line-height: 1.5rem;
  text-align: center;
  border: 2px solid #fff;
}

.admin-login__workspace-card--selected .admin-login__workspace-card-check {
  display: block;
}

/* Login card (white panel) */
.admin-login__card,
.admin-login__connected {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  max-width: 520px;
  padding: 1.5rem 2rem;
  box-shadow: var(--admin-shadow);
}

.admin-login__connected {
  text-align: center;
}

.admin-login__connected-label {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: #0f172a;
}

.admin-login__connected-hint {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.45;
}

.admin-login__disconnect-form {
  margin: 1rem auto 0;
  max-width: 520px;
  text-align: center;
}

.admin-login__disconnect-btn {
  border: 0;
  background: transparent;
  color: #6b7280;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}

.admin-login__disconnect-btn:hover {
  color: #dc2626;
}

.admin-login__card-title-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.admin-login__card-lock-icon {
  color: #dc2626;
  font-size: 1.2rem;
}

.admin-login__card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #0f172a;
}

.admin-login__input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  padding: 0 0.75rem;
  background: #fff;
  min-height: 48px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.admin-login__input-wrapper:focus-within {
  border-color: var(--admin-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.admin-login__input-wrapper--error {
  border-color: #dc2626;
  box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.15);
}

.admin-login__input-wrapper--error .admin-login__input::placeholder {
  color: #dc2626;
  font-weight: 700;
}

.admin-login__input-icon {
  color: #6b7280;
  font-size: 1rem;
  flex-shrink: 0;
}

.admin-login__input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.7rem 0;
  color: var(--admin-text);
}

.admin-login__input::placeholder {
  color: #9ca3af;
}

.admin-login__toggle-password {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  color: #6b7280;
  padding: 0.25rem;
  transition: color 0.15s;
}

.admin-login__toggle-password:hover {
  color: var(--admin-text);
}

.admin-login__options-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.admin-login__remember-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.875rem;
  color: var(--admin-text-muted);
  cursor: pointer;
}

.admin-login__forgot-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: #dc2626;
  text-decoration: none;
}

.admin-login__forgot-link:hover {
  color: #b91c1c;
  text-decoration: underline;
}

.admin-login__actions {
  display: flex;
  width: 100%;
}

.admin-login__error-label {
  margin: 0;
  font-size: 0.85rem;
  color: #b91c1c;
  min-height: 1.2em;
}

/* Red button */
.btn--red {
  background: #dc2626;
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  width: 100%;
  justify-content: center;
}

.btn--red:hover {
  background: #b91c1c;
}

.btn--red:active {
  background: #991b1b;
}

/* Footer */

.admin-sidebar__logout {
  margin-top: auto;
  padding: 1rem 0.75rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-sidebar__logout-form {
  margin: 0;
}

.admin-sidebar__logout-btn {
  display: block;
  width: 100%;
  padding: 0.45rem 0.65rem;
  border-radius: var(--admin-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: #cbd5e1;
  font: inherit;
  font-size: 0.875rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.admin-sidebar__logout-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.app-image-field {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 100%;
}

.app-image-field__preview-frame {
  flex: 0 0 auto;
  width: 6.5rem;
  height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--admin-border, #e5e7eb);
  border-radius: var(--admin-radius-sm, 8px);
  background: #fff;
  padding: 0.25rem;
  box-sizing: border-box;
}

.app-image-field__preview-frame--empty {
  background: #f9fafb;
  border-style: dashed;
}

.app-image-field--badge .app-image-field__preview-frame {
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.2rem;
}

.app-image-field__preview {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.app-image-field__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.app-image-field__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  position: relative;
}

.app-image-field__toolbar input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.app-image-field__clear {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.2;
  white-space: nowrap;
}

.app-image-field__clear::before {
  content: "";
  display: inline-block;
  width: 1px;
  height: 1.25rem;
  margin-right: 0.125rem;
  background: var(--admin-border, #e5e7eb);
}

.app-image-field__hint {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.35;
}