/* =============================================
   ADMIN PANEL CSS
============================================= */

/* LOGIN */
.admin-login {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.login-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  max-width: 420px;
  width: 100%;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  animation: fadeUp 0.5s ease both;
}

.login-logo {
  margin-bottom: 32px;
}

.login-card h2 {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 8px;
}

.login-card p {
  font-size: 14px;
  color: var(--charcoal-muted);
  margin-bottom: 28px;
}

.login-error {
  font-size: 13px;
  color: #C0392B;
  margin-bottom: 12px !important;
  min-height: 18px;
}

/* ADMIN LAYOUT */
.admin-panel {
  display: flex;
  min-height: calc(100vh - 64px);
}

/* SIDEBAR */
.admin-sidebar {
  width: 240px;
  background: var(--charcoal);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding: 32px 0 24px;
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
}

.sidebar-logo {
  padding: 0 24px 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 24px;
}

.sidebar-logo .logo {
  color: var(--cream);
  font-size: 18px;
}

.sidebar-logo .logo span {
  color: var(--terracotta-light);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 12px;
  flex: 1;
}

.sidebar-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: rgba(245, 240, 232, 0.6);
  letter-spacing: 0.03em;
  transition: all var(--transition);
  background: transparent;
  cursor: pointer;
  border: none;
  text-align: left;
}

.sidebar-btn:hover {
  background: rgba(255,255,255,0.06);
  color: var(--cream);
}

.sidebar-btn.active {
  background: rgba(196, 113, 74, 0.2);
  color: var(--terracotta-light);
}

.sidebar-logout {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 28px;
  font-size: 13px;
  color: rgba(245, 240, 232, 0.4);
  transition: color var(--transition);
  background: transparent;
  cursor: pointer;
  border: none;
  margin-top: auto;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
}

.sidebar-logout:hover {
  color: var(--cream);
}

/* MAIN CONTENT */
.admin-main {
  flex: 1;
  padding: 40px;
  overflow-y: auto;
  min-width: 0;
}

.tab-panel {
  display: none;
  animation: fadeUp 0.4s ease both;
}

.tab-panel.active {
  display: block;
}

.panel-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 6px;
}

.panel-header p {
  font-size: 14px;
  color: var(--charcoal-muted);
}

/* FORM CARD */
.form-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 36px;
  border: 1px solid var(--border);
  max-width: 760px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--charcoal-muted);
  margin-bottom: 8px;
}

.required {
  color: var(--terracotta);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--cream);
  color: var(--charcoal);
  font-size: 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--terracotta);
  box-shadow: 0 0 0 3px rgba(196, 113, 74, 0.1);
  background: var(--white);
}

.form-group textarea {
  resize: vertical;
}

.form-group select {
  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 d='M1 1l5 5 5-5' stroke='%236B6560' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.category-select-wrap {
  display: flex;
  gap: 10px;
}

.category-select-wrap select {
  flex: 1;
}

.new-cat-inline {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  align-items: center;
}

.new-cat-inline input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 13px;
  outline: none;
  background: var(--cream);
}

.new-cat-inline input:focus {
  border-color: var(--terracotta);
  background: var(--white);
}

.btn-small {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  background: var(--charcoal);
  color: var(--cream);
  cursor: pointer;
  border: none;
  transition: background var(--transition);
  white-space: nowrap;
}

.btn-small:hover {
  background: var(--terracotta);
}

.btn-cancel {
  background: transparent;
  color: var(--charcoal-muted);
  border: 1px solid var(--border);
}

.btn-cancel:hover {
  background: var(--cream-dark);
  color: var(--charcoal);
}

/* IMAGE UPLOAD */
.image-upload-zone {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
  cursor: pointer;
}

.image-upload-zone:hover,
.image-upload-zone.drag-over {
  border-color: var(--terracotta);
}

.upload-placeholder {
  padding: 40px;
  text-align: center;
  color: var(--charcoal-muted);
}

.upload-placeholder svg {
  margin: 0 auto 12px;
  opacity: 0.5;
}

.upload-placeholder p {
  font-size: 14px;
  margin-bottom: 4px;
}

.upload-placeholder p span {
  color: var(--terracotta);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

.upload-hint {
  font-size: 11px !important;
  color: rgba(107, 101, 96, 0.6) !important;
}

.image-previews {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px;
}

.preview-item {
  position: relative;
  width: 90px;
  height: 90px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}

.preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  background: rgba(30, 28, 26, 0.7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 11px;
  cursor: pointer;
  transition: background var(--transition);
  border: none;
  line-height: 1;
}

.preview-remove:hover {
  background: #C0392B;
}

/* UPLOAD PROGRESS */
.upload-progress {
  margin: 16px 0;
}

.progress-bar {
  height: 4px;
  background: var(--cream-dark);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-fill {
  height: 100%;
  background: var(--terracotta);
  border-radius: 2px;
  transition: width 0.3s ease;
  width: 0%;
}

.upload-progress p {
  font-size: 12px;
  color: var(--charcoal-muted);
}

/* FORM ACTIONS */
.form-actions {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* FORM MESSAGE */
.form-message {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  display: none;
}

.form-message.success {
  background: rgba(37, 211, 102, 0.1);
  color: #1a8c47;
  display: block;
}

.form-message.error {
  background: rgba(192, 57, 43, 0.1);
  color: #C0392B;
  display: block;
}

/* MANAGE PRODUCTS TABLE */
.products-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 860px;
}

.admin-product-row {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: box-shadow var(--transition);
  animation: fadeUp 0.4s ease both;
}

.admin-product-row:hover {
  box-shadow: var(--shadow-sm);
}

.admin-prod-thumb {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--cream-dark);
}

.admin-prod-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.admin-prod-info {
  flex: 1;
  min-width: 0;
}

.admin-prod-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--charcoal);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-prod-meta {
  font-size: 12px;
  color: var(--charcoal-muted);
  margin-top: 2px;
}

.admin-prod-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  align-items: center;
}

.admin-prod-actions .btn-outline,
.admin-prod-actions .btn-secondary,
.admin-prod-actions .btn-danger {
  min-height: 40px;
  padding: 10px 18px;
  font-size: 13px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.admin-prod-actions .btn-secondary {
  margin-top: 0;
}

.admin-prod-actions .btn-outline {
  background: transparent;
}

/* CATEGORIES LIST */
.categories-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--cream);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  animation: fadeUp 0.3s ease both;
}

.cat-row-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--charcoal);
}

.cat-row-count {
  font-size: 11px;
  color: var(--charcoal-muted);
  margin-top: 2px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .admin-panel {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 16px;
    gap: 8px;
  }

  .sidebar-logo, .sidebar-nav {
    display: none;
  }

  .admin-sidebar .sidebar-btn {
    display: flex;
  }

  .admin-main {
    padding: 24px 16px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-card {
    padding: 24px;
  }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}