/* ===== Shared styles for Admin Login, Admin Dashboard & Sale's Inventory ===== */
/* Relies on the CSS variables defined in styles.css (:root) */

.admin-empty {
  color: var(--text-muted);
  text-align: center;
  padding: 2rem 0;
  width: 100%;
}

.admin-footer-link {
  color: var(--text-muted);
  font-size: .85rem;
}

.admin-footer-link:hover {
  color: var(--accent);
}

.credit-link {
  color: var(--accent);
  font-weight: 700;
  text-decoration: underline;
}

.credit-link:hover {
  color: var(--accent-light);
}

/* ===== LOGIN ===== */
.admin-auth-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 20px 60px;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
}

.admin-auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--primary-light);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, .5);
}

.admin-auth-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  background: rgba(200, 164, 78, .1);
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.5rem;
}

.admin-auth-card h1 {
  font-size: 1.6rem;
  margin-bottom: .5rem;
}

.admin-auth-card > p {
  color: var(--text-muted);
  font-size: .9rem;
  margin-bottom: 2rem;
}

.admin-auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-align: left;
}

.admin-field label {
  display: block;
  color: var(--text-muted);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: .5rem;
}

.admin-field input {
  width: 100%;
  background: var(--dark);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 8px;
  padding: .9rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: .9rem;
  transition: border-color .3s;
}

.admin-field input:focus {
  outline: none;
  border-color: var(--accent);
}

.admin-submit-btn {
  width: 100%;
  justify-content: center;
  margin-top: .5rem;
}

.admin-error {
  background: rgba(220, 60, 60, .1);
  border: 1px solid rgba(220, 60, 60, .4);
  color: #ff8080;
  padding: .75rem 1rem;
  border-radius: 8px;
  font-size: .85rem;
}

.admin-back-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 2rem;
  color: var(--text-muted);
  font-size: .85rem;
}

.admin-back-link:hover {
  color: var(--accent);
}

/* ===== DASHBOARD TOPBAR ===== */
.admin-topbar-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.admin-user-email {
  color: var(--text-muted);
  font-size: .85rem;
}

.admin-logout-btn {
  padding: .6rem 1.2rem;
  font-size: .75rem;
}

.admin-hero {
  padding-top: 130px;
  padding-bottom: 50px;
}

.admin-section {
  padding: 60px 0;
}

/* ===== DASHBOARD PANELS ===== */
.admin-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.admin-panel-header h2 {
  margin-bottom: 0;
}

.admin-form {
  background: var(--primary-light);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.admin-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.admin-form input,
.admin-form textarea {
  width: 100%;
  background: var(--dark);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 8px;
  padding: .9rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: .9rem;
  transition: border-color .3s;
}

.admin-form input:focus,
.admin-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.admin-form textarea {
  resize: vertical;
}

.admin-upload-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.admin-file-label {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .9rem 1.2rem;
  background: var(--dark);
  border: 1px dashed rgba(255, 255, 255, .2);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: .85rem;
  cursor: pointer;
  transition: all .3s;
}

.admin-file-label:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.admin-upload-row input[type="file"] {
  display: none;
}

.admin-upload-row .btn {
  margin-left: auto;
}

/* ===== ITEM GRID (dashboard) ===== */
.admin-item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.admin-item-card {
  position: relative;
  background: var(--primary-light);
  border: 1px solid rgba(255, 255, 255, .05);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all .3s;
}

.admin-item-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.admin-item-thumb {
  position: relative;
  height: 160px;
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 2rem;
  overflow: hidden;
}

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

/* ===== SOLD STAMP ===== */
.sold-stamp {
  position: absolute;
  top: 16px;
  left: -42px;
  width: 170px;
  transform: rotate(-40deg);
  background: #d33;
  color: #fff;
  text-align: center;
  font-weight: 800;
  font-size: .75rem;
  letter-spacing: 2px;
  padding: .35rem 0;
  box-shadow: 0 3px 10px rgba(0, 0, 0, .5);
  z-index: 3;
  text-transform: uppercase;
  pointer-events: none;
}

.admin-sold-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: rgba(6, 13, 24, .8);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s;
}

.admin-sold-btn:hover {
  background: #d33;
  color: #fff;
}

.admin-sold-btn.is-sold {
  color: #fff;
  background: #d33;
}

.admin-item-body {
  padding: 1.25rem;
  flex: 1;
}

.admin-item-body h4 {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: .35rem;
}

.admin-item-tag {
  display: inline-block;
  color: var(--accent);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: .6rem;
}

.admin-item-body p {
  color: var(--text-muted);
  font-size: .85rem;
  line-height: 1.5;
  margin: 0;
}

.admin-card-actions {
  position: absolute;
  top: .75rem;
  right: .75rem;
  display: flex;
  gap: .5rem;
  z-index: 2;
}

.admin-edit-btn,
.admin-delete-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: rgba(6, 13, 24, .8);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s;
}

.admin-edit-btn {
  color: var(--accent);
}

.admin-edit-btn:hover {
  background: var(--accent);
  color: var(--dark);
}

.admin-delete-btn {
  color: #ff8080;
}

.admin-delete-btn:hover {
  background: #d33;
  color: #fff;
}

.admin-form-hint {
  color: var(--text-muted);
  font-size: .8rem;
  margin-top: -.5rem;
}

/* ===== PUBLIC SALE'S INVENTORY GRID ===== */
.inventory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.inventory-card {
  border-radius: 12px;
  overflow: hidden;
  background: var(--primary-light);
  border: 1px solid rgba(255, 255, 255, .05);
  transition: all .4s;
}

.inventory-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 20px 40px rgba(0, 0, 0, .4);
}

.inventory-img {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.inventory-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s;
}

.inventory-card:hover .inventory-img img {
  transform: scale(1.08);
}

.inventory-price {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--accent);
  color: var(--dark);
  padding: .3rem .9rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: .85rem;
  z-index: 2;
}

.inventory-content {
  padding: 1.5rem;
}

.inventory-content h3 {
  font-size: 1.2rem;
  margin-bottom: .5rem;
}

.inventory-content p {
  color: var(--text-muted);
  font-size: .9rem;
  margin-bottom: 1.25rem;
}

.inventory-content .btn:disabled {
  opacity: .5;
  cursor: not-allowed;
}

.inventory-content .btn:disabled:hover {
  transform: none;
  box-shadow: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .admin-auth-card {
    padding: 2.5rem 1.5rem;
  }

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

  .admin-upload-row .btn {
    margin-left: 0;
    width: 100%;
    justify-content: center;
  }
}