/* ==========================================================================
   Admin Table — Quản trị Danh mục ROYAL (dạng Excel)
   Dùng chung biến màu từ style.css (:root)
   ========================================================================== */

.admin-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-main, #0f1220);
  color: var(--text-primary, #e8eaf2);
}

/* Header */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border-color, #2a2f45);
  background: var(--bg-panel, #171b2e);
  position: sticky;
  top: 0;
  z-index: 30;
}
.admin-brand { display: flex; align-items: center; gap: 14px; }
.admin-brand .logo-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: #fff;
  background: var(--accent-gradient, linear-gradient(135deg,#6c5ce7,#4da3ff));
}
.admin-brand h1 { font-size: 1.25rem; font-weight: 700; letter-spacing: .5px; margin: 0; }
.admin-brand h1 span { color: var(--accent, #4da3ff); }
.admin-brand .subtitle { font-size: .82rem; color: var(--text-secondary, #9aa0b8); margin: 2px 0 0; }
.admin-header-actions { display: flex; align-items: center; gap: 10px; }

/* Toolbar */
.admin-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border-color, #2a2f45);
  background: var(--bg-panel-2, #1b2036);
  position: sticky;
  top: 79px;
  z-index: 25;
}
.toolbar-left, .toolbar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.admin-search { position: relative; min-width: 320px; }
.admin-search i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-secondary,#9aa0b8); }
.admin-search input {
  width: 100%; padding: 10px 14px 10px 40px; border-radius: 10px;
  border: 1px solid var(--border-color, #2a2f45);
  background: var(--bg-input, #0f1220); color: var(--text-primary,#e8eaf2);
  font-family: inherit; font-size: .92rem;
}
.admin-search input:focus { outline: none; border-color: var(--accent, #4da3ff); }
.admin-stat { font-size: .9rem; color: var(--text-secondary,#9aa0b8); font-weight: 500; }
.admin-dirty-badge {
  font-size: .85rem; font-weight: 600; color: #ffb84d;
  background: rgba(255,184,77,.12); border: 1px solid rgba(255,184,77,.35);
  padding: 6px 12px; border-radius: 999px;
}

/* Table wrapper */
.admin-table-wrap {
  flex: 1;
  overflow: auto;
  padding: 0 0 80px;
}
.admin-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: .9rem;
}
.admin-table thead th {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-panel, #171b2e);
  color: var(--text-secondary, #9aa0b8);
  text-align: left;
  font-weight: 600;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .4px;
  padding: 12px 14px;
  border-bottom: 2px solid var(--border-color, #2a2f45);
  white-space: nowrap;
}
.admin-table thead th.editable-col { color: var(--accent, #4da3ff); }
.lock-ico { color: #6b7189; font-size: .72rem; margin-left: 4px; }
.edit-ico { color: var(--accent, #4da3ff); font-size: .72rem; margin-left: 4px; }

.admin-table tbody td {
  padding: 8px 14px;
  border-bottom: 1px solid var(--border-color, #22263c);
  vertical-align: middle;
}
.admin-table tbody tr:hover { background: rgba(255,255,255,.03); }
.admin-table tbody tr.dirty { background: rgba(255,184,77,.06); }
.admin-table tbody tr.dirty:hover { background: rgba(255,184,77,.1); }

.col-idx { width: 46px; text-align: center; color: var(--text-secondary,#9aa0b8); }
.col-img { width: 90px; }
.col-code { width: 120px; }
.col-cat { min-width: 260px; }
.col-spec { width: 120px; white-space: nowrap; }
.col-page { width: 70px; text-align: center; }
.col-note { min-width: 280px; }

td.col-idx { text-align: center; font-size: .82rem; }
td.col-page { text-align: center; }

/* Locked cells look muted */
.cell-locked { color: var(--text-secondary, #b6bcd4); }
.code-chip {
  display: inline-block; font-family: 'Space Grotesk', monospace; font-weight: 700;
  background: rgba(77,163,255,.12); color: var(--accent,#4da3ff);
  padding: 3px 10px; border-radius: 6px; font-size: .85rem;
}

/* Thumbnail */
.thumb {
  width: 70px; height: 46px; object-fit: contain;
  background: #fff; border-radius: 6px; cursor: zoom-in;
  border: 1px solid var(--border-color,#2a2f45);
}

/* Editable inputs */
.cell-input {
  width: 100%;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-primary, #e8eaf2);
  font-family: inherit;
  font-size: .9rem;
  transition: border-color .15s, background .15s;
}
.cell-input:hover { border-color: var(--border-color, #3a4058); background: rgba(255,255,255,.03); }
.cell-input:focus {
  outline: none;
  border-color: var(--accent, #4da3ff);
  background: var(--bg-input, #0f1220);
  box-shadow: 0 0 0 3px rgba(77,163,255,.15);
}
.cell-input.changed { border-color: #ffb84d; background: rgba(255,184,77,.06); }
.cell-note::placeholder { color: #5c6280; font-style: italic; }

/* Empty / loading */
.admin-empty, .admin-loading {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; padding: 60px 20px; color: var(--text-secondary,#9aa0b8);
}
.admin-empty i { font-size: 2.4rem; opacity: .5; }
.admin-loading .spinner {
  width: 40px; height: 40px; border: 4px solid var(--border-color,#2a2f45);
  border-top-color: var(--accent,#4da3ff); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Image preview popover */
.img-preview {
  position: fixed; z-index: 999; pointer-events: none;
  padding: 8px; background: #fff; border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0,0,0,.5);
}
.img-preview img { max-width: 420px; max-height: 340px; display: block; }

/* Save bar highlight when dirty */
#btn-save:not(:disabled) {
  box-shadow: 0 0 0 3px rgba(108,92,231,.25);
}

@media (max-width: 720px) {
  .admin-search { min-width: 200px; }
  .col-img, .col-spec { display: none; }
  .admin-table thead th.col-img, .admin-table thead th.col-spec { display: none; }
}

/* Cột Nhãn hệ */
.col-brand { width: 130px; }
.cell-brand { font-weight: 600; color: #f59e0b; }
.admin-table thead th.col-brand { color: #f59e0b; }

/* ==========================================================================
   Đăng nhập
   ========================================================================== */
.login-body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--bg-main, #0f1220); padding: 20px;
}
.login-card {
  width: 100%; max-width: 400px; background: var(--bg-panel, #171b2e);
  border: 1px solid var(--border-color, #2a2f45); border-radius: 18px;
  padding: 36px 32px; text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,.45);
}
.login-logo { position: relative; width: 72px; height: 72px; margin: 0 auto 18px; }
.login-logo img { width: 100%; height: 100%; object-fit: contain; background:#fff; border-radius: 16px; padding: 6px; }
.login-lock {
  position: absolute; right: -6px; bottom: -6px; width: 30px; height: 30px;
  background: var(--accent-gradient, linear-gradient(135deg,#6c5ce7,#4da3ff));
  color:#fff; border-radius: 50%; display:flex; align-items:center; justify-content:center; font-size:.8rem;
}
.login-card h1 { font-size: 1.4rem; margin: 0 0 6px; }
.login-sub { font-size: .85rem; color: var(--text-secondary,#9aa0b8); margin: 0 0 24px; }
.login-field { text-align: left; margin-bottom: 16px; }
.login-field label { display:block; font-size:.82rem; font-weight:600; margin-bottom:6px; color: var(--text-secondary,#9aa0b8); }
.login-field input {
  width: 100%; padding: 11px 14px; border-radius: 10px;
  border: 1px solid var(--border-color,#2a2f45); background: var(--bg-input,#0f1220);
  color: var(--text-primary,#e8eaf2); font-family: inherit; font-size: .95rem;
}
.login-field input:focus { outline:none; border-color: var(--accent,#4da3ff); }
.login-pw-wrap { position: relative; }
.login-pw-toggle {
  position:absolute; right:8px; top:50%; transform:translateY(-50%);
  background:none; border:none; color: var(--text-secondary,#9aa0b8); cursor:pointer; padding:6px;
}
.login-submit { width: 100%; justify-content: center; padding: 12px; font-size: .95rem; margin-top: 4px; }
.login-error {
  background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.4); color:#ff6b6b;
  padding: 10px 12px; border-radius: 8px; font-size: .85rem; margin-bottom: 14px; text-align: left;
}
.login-back { display:inline-block; margin-top:18px; color: var(--text-secondary,#9aa0b8); font-size:.85rem; text-decoration:none; }
.login-back:hover { color: var(--accent,#4da3ff); }

/* ==========================================================================
   Modal quản trị (Thêm sản phẩm / Đổi mật khẩu)
   ========================================================================== */
.admin-modal-backdrop {
  position: fixed; inset: 0; z-index: 1000; background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  backdrop-filter: blur(3px);
}
.admin-modal {
  width: 100%; max-width: 720px; max-height: 90vh; overflow-y: auto;
  background: var(--bg-panel,#171b2e); border: 1px solid var(--border-color,#2a2f45);
  border-radius: 16px; box-shadow: 0 24px 70px rgba(0,0,0,.5);
}
.admin-modal-sm { max-width: 420px; }
.admin-modal-header {
  display:flex; justify-content:space-between; align-items:center;
  padding: 18px 24px; border-bottom: 1px solid var(--border-color,#2a2f45);
  position: sticky; top: 0; background: var(--bg-panel,#171b2e);
}
.admin-modal-header h2 { font-size: 1.15rem; margin: 0; }
.admin-modal-body { padding: 22px 24px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; }
.form-field-full { grid-column: 1 / -1; }
.form-field label { font-size: .8rem; font-weight: 600; margin-bottom: 6px; color: var(--text-secondary,#9aa0b8); }
.form-field input, .form-field select {
  padding: 10px 12px; border-radius: 9px; border: 1px solid var(--border-color,#2a2f45);
  background: var(--bg-input,#0f1220); color: var(--text-primary,#e8eaf2);
  font-family: inherit; font-size: .9rem;
}
.form-field input:focus, .form-field select:focus { outline:none; border-color: var(--accent,#4da3ff); }
.add-image-preview { margin-top: 10px; }
.add-image-preview img {
  max-width: 100%; max-height: 200px; border-radius: 10px; background:#fff; padding: 6px;
  border: 1px solid var(--border-color,#2a2f45);
}
.admin-modal-footer {
  display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px;
  padding-top: 16px; border-top: 1px solid var(--border-color,#2a2f45);
}
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }