/* ============================================================
   LUXU Y LOVERS — Admin Panel Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600&family=Montserrat:wght@300;400;500;600&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --white:       #FFFFFF;
  --black:       #111111;
  --accent:      #B00000;
  --accent-dk:   #8B0000;
  --gray-bg:     #F5F5F5;
  --gray-border: #E5E5E5;
  --gray-mid:    #888888;
  --gray-light:  #BBBBBB;
  --sidebar-w:   260px;
  --header-h:    64px;
  --font-serif:  'Playfair Display', serif;
  --font-sans:   'Montserrat', system-ui, sans-serif;
  --ease:        cubic-bezier(0.25,0.46,0.45,0.94);
  --trans:       0.2s var(--ease);
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:   0 8px 24px rgba(0,0,0,0.10);
  --radius:      4px;
  --success:     #2E7D32;
  --warning:     #E65100;
  --info:        #1565C0;
}

html, body { height: 100%; font-family: var(--font-sans); background: var(--gray-bg); color: var(--black); -webkit-font-smoothing: antialiased; }

a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ── Login ──────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--black);
  position: relative;
  overflow: hidden;
}

.login-bg {
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=1920&q=60') center/cover;
  opacity: 0.12;
}

.login-card {
  position: relative;
  z-index: 1;
  background: var(--white);
  width: 100%;
  max-width: 420px;
  padding: 56px 48px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.4);
}

.login-logo {
  text-align: center;
  margin-bottom: 40px;
}

.login-logo-text {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
}

.login-logo-sub {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 6px;
}

.login-divider {
  width: 32px; height: 1px;
  background: var(--accent);
  margin: 16px auto;
}

.login-form { display: flex; flex-direction: column; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-label {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

.form-input {
  padding: 14px 16px;
  border: 1px solid var(--gray-border);
  background: var(--white);
  font-size: 0.9rem;
  color: var(--black);
  outline: none;
  transition: border-color var(--trans);
}

.form-input:focus { border-color: var(--black); }

.btn-login {
  padding: 16px;
  background: var(--black);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: background var(--trans);
  margin-top: 8px;
}

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

.login-error {
  background: #FFF3F3;
  border: 1px solid #FFD0D0;
  color: var(--accent);
  padding: 12px 16px;
  font-size: 0.82rem;
  display: none;
}

/* ── Admin Layout ───────────────────────────────────────── */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.admin-sidebar {
  width: var(--sidebar-w);
  background: var(--black);
  color: var(--white);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 200;
  transition: transform var(--trans);
  overflow-y: auto;
}

.sidebar-header {
  padding: 32px 28px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.sidebar-sub {
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
}

.sidebar-nav {
  flex: 1;
  padding: 24px 0;
}

.nav-section-title {
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  padding: 0 28px;
  margin-bottom: 8px;
  margin-top: 20px;
}

.nav-section-title:first-child { margin-top: 0; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 28px;
  font-size: 0.8rem;
  font-weight: 400;
  color: rgba(255,255,255,0.6);
  transition: all var(--trans);
  position: relative;
}

.sidebar-link:hover { color: var(--white); background: rgba(255,255,255,0.05); }

.sidebar-link.active {
  color: var(--white);
  background: rgba(176,0,0,0.25);
}

.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
}

.nav-icon {
  width: 18px; height: 18px;
  flex-shrink: 0;
  opacity: 0.8;
}

.sidebar-footer {
  padding: 24px 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.btn-logout {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.6);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all var(--trans);
}

.btn-logout:hover { background: var(--accent); border-color: var(--accent); color: var(--white); }

/* ── Main Content ────────────────────────────────────────── */
.admin-main {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 36px;
  box-shadow: var(--shadow-sm);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--black);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--gray-mid);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: var(--gray-bg);
}

.user-avatar {
  width: 32px; height: 32px;
  background: var(--black);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
}

.admin-content { flex: 1; padding: 36px; }

/* ── Page Header ─────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
}

.page-subtitle {
  font-size: 0.8rem;
  color: var(--gray-mid);
  margin-top: 4px;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: all var(--trans);
}

.btn-dark   { background: var(--black); color: var(--white); }
.btn-dark:hover { background: var(--accent); }
.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: var(--accent-dk); }
.btn-outline { border: 1px solid var(--gray-border); color: var(--black); background: var(--white); }
.btn-outline:hover { border-color: var(--black); }
.btn-danger { background: #B71C1C; color: var(--white); }
.btn-danger:hover { background: #7F0000; }
.btn-sm { padding: 7px 14px; font-size: 0.62rem; }
.btn-icon { padding: 8px; width: 34px; height: 34px; justify-content: center; }

/* ── Stats Cards ─────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}

.stat-card {
  background: var(--white);
  padding: 28px;
  border: 1px solid var(--gray-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.stat-card:hover::after { transform: scaleX(1); }

.stat-icon {
  width: 44px; height: 44px;
  background: var(--gray-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 400;
  color: var(--black);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

/* ── Table Card ──────────────────────────────────────────── */
.table-card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  box-shadow: var(--shadow-sm);
}

.table-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--gray-border);
}

.table-card-title {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
}

.table-search {
  position: relative;
}

.table-search input {
  padding: 8px 14px 8px 36px;
  border: 1px solid var(--gray-border);
  font-size: 0.8rem;
  color: var(--black);
  outline: none;
  width: 220px;
  transition: border-color var(--trans);
}

.table-search input:focus { border-color: var(--black); }

.table-search-icon {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--gray-light);
  font-size: 0.85rem;
  pointer-events: none;
}

/* ── Data Table ──────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  padding: 12px 20px;
  text-align: left;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-mid);
  background: var(--gray-bg);
  border-bottom: 1px solid var(--gray-border);
  white-space: nowrap;
}

.data-table td {
  padding: 16px 20px;
  font-size: 0.82rem;
  color: var(--black);
  border-bottom: 1px solid var(--gray-border);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tr:hover td { background: #FAFAFA; }

.product-thumb-cell {
  display: flex;
  align-items: center;
  gap: 14px;
}

.product-thumb {
  width: 52px;
  aspect-ratio: 3/4;
  object-fit: cover;
  background: var(--gray-bg);
  flex-shrink: 0;
}

.product-thumb-info {}

.product-thumb-name {
  font-weight: 500;
  font-size: 0.85rem;
  margin-bottom: 2px;
}

.product-thumb-brand {
  font-size: 0.68rem;
  color: var(--gray-mid);
  letter-spacing: 0.1em;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--black);
}

.badge-accent { background: var(--accent); }
.badge-success { background: var(--success); }
.badge-warning { background: var(--warning); }
.badge-info    { background: var(--info); }

.table-actions { display: flex; gap: 6px; }

/* ── Modal ───────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans);
}

.modal-overlay.open { opacity: 1; pointer-events: auto; }

.modal {
  background: var(--white);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(10px);
  transition: transform 0.3s var(--ease);
  box-shadow: 0 32px 80px rgba(0,0,0,0.25);
}

.modal-overlay.open .modal { transform: scale(1) translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 32px 24px;
  border-bottom: 1px solid var(--gray-border);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 1;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
}

.modal-close {
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-border);
  font-size: 1rem;
  color: var(--gray-mid);
  transition: all var(--trans);
}

.modal-close:hover { background: var(--black); color: var(--white); border-color: var(--black); }

.modal-body { padding: 32px; }

.modal-footer {
  padding: 20px 32px;
  border-top: 1px solid var(--gray-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  position: sticky;
  bottom: 0;
  background: var(--white);
}

/* ── Form Fields ─────────────────────────────────────────── */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.field:last-child { margin-bottom: 0; }

.field label {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

.field input, .field select, .field textarea {
  padding: 12px 14px;
  border: 1px solid var(--gray-border);
  font-size: 0.88rem;
  color: var(--black);
  background: var(--white);
  outline: none;
  transition: border-color var(--trans);
  width: 100%;
}

.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--black); }

.field textarea { resize: vertical; min-height: 100px; line-height: 1.6; }

.tags-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-check {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.tag-check input { width: 14px; height: 14px; accent-color: var(--black); }

.tag-check span {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--gray-dark);
}

/* ── Image Preview ───────────────────────────────────────── */
.image-preview-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.image-preview {
  position: relative;
  width: 80px;
  aspect-ratio: 3/4;
}

.image-preview img {
  width: 100%; height: 100%;
  object-fit: cover;
  background: var(--gray-bg);
}

.image-preview-remove {
  position: absolute;
  top: -6px; right: -6px;
  width: 18px; height: 18px;
  background: var(--accent);
  color: var(--white);
  font-size: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
}

/* ── Alert / Confirm ─────────────────────────────────────── */
.alert-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans);
}

.alert-overlay.open { opacity: 1; pointer-events: auto; }

.alert-box {
  background: var(--white);
  max-width: 400px;
  width: 100%;
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.alert-icon { font-size: 2.5rem; margin-bottom: 16px; }

.alert-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.alert-msg {
  font-size: 0.85rem;
  color: var(--gray-mid);
  margin-bottom: 28px;
  line-height: 1.7;
}

.alert-actions { display: flex; gap: 12px; justify-content: center; }

/* ── Dashboard Quick Stats ───────────────────────────────── */
.recent-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-top: 24px;
}

/* ── Tabs ────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--gray-border);
  margin-bottom: 28px;
}

.tab-btn {
  padding: 12px 24px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-mid);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--trans);
}

.tab-btn:hover { color: var(--black); }
.tab-btn.active { color: var(--black); border-bottom-color: var(--accent); }

/* ── Toast ───────────────────────────────────────────────── */
.admin-toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.a-toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--black);
  color: var(--white);
  font-size: 0.8rem;
  min-width: 280px;
  box-shadow: var(--shadow-md);
  animation: aToastIn 0.3s var(--ease) forwards, aToastOut 0.3s var(--ease) 2.7s forwards;
}

.a-toast.success .a-toast-icon { color: #4CAF50; }
.a-toast.error   .a-toast-icon { color: var(--accent); }

@keyframes aToastIn  { from { transform: translateX(120%); } to { transform: translateX(0); } }
@keyframes aToastOut { to { transform: translateX(120%); } }

/* ── Category Image Upload ───────────────────────────────── */
.cat-img-zone {
  width: 100%;
  aspect-ratio: 16/7;
  border: 2px dashed var(--gray-border);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--trans);
  background: var(--gray-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cat-img-zone:hover { border-color: var(--black); }

.cat-img-zone img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

.cat-img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--gray-mid);
  font-size: 0.82rem;
  user-select: none;
}

.cat-img-placeholder small { font-size: 0.68rem; color: var(--gray-light); }

/* ── Image Upload Component ──────────────────────────────── */
.img-upload-zone {
  border: 2px dashed var(--gray-border);
  padding: 16px;
  transition: border-color var(--trans);
  min-height: 80px;
}

.img-upload-zone.drag-over { border-color: var(--black); background: #FAFAFA; }

.img-upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  cursor: pointer;
  user-select: none;
  transition: background var(--trans);
}

.img-upload-placeholder:hover { background: var(--gray-bg); }

/* Hide placeholder when there are previews */
.img-preview-grid:not(:empty) + .img-upload-placeholder { display: none; }

.img-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 10px;
}

.img-prev-item {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  overflow: hidden;
  background: var(--gray-bg);
}

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

.img-prev-item.pending { opacity: 0.8; }
.img-prev-item.pending::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid var(--accent);
  pointer-events: none;
}

.img-prev-remove {
  position: absolute;
  top: 4px; right: 4px;
  width: 20px; height: 20px;
  background: rgba(0,0,0,0.7);
  color: var(--white);
  font-size: 0.6rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--trans);
  z-index: 2;
}

.img-prev-remove:hover { background: var(--accent); }

.img-prev-badge {
  position: absolute;
  bottom: 4px; left: 4px;
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 6px;
  background: rgba(0,0,0,0.6);
  color: var(--white);
}

.img-prev-badge.pending { background: rgba(176,0,0,0.8); }

/* Precio por imagen dentro del preview */
.img-price-input {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  width: 100%;
  background: rgba(0,0,0,0.65);
  border: none;
  border-top: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  font-size: 0.68rem;
  font-family: var(--font-sans);
  text-align: center;
  padding: 4px 6px;
  outline: none;
  transition: background 0.15s;
  border-radius: 0 0 2px 2px;
}
.img-price-input::placeholder { color: rgba(255,255,255,0.5); font-size: 0.65rem; }
.img-price-input:focus { background: rgba(0,0,0,0.85); }

/* Ajustar badge para que no choque con el input de precio */
.img-prev-item .img-prev-badge {
  bottom: 26px;
}

.img-prev-add {
  aspect-ratio: 3/4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1.5px dashed var(--gray-border);
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--gray-light);
  transition: all var(--trans);
  gap: 4px;
}

.img-prev-add small { font-size: 0.6rem; color: var(--gray-light); }
.img-prev-add:hover { border-color: var(--black); color: var(--black); background: var(--gray-bg); }

/* ── Upload Progress Overlay ─────────────────────────────── */
#upload-progress-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
}

.upload-progress-box {
  background: var(--white);
  padding: 48px 56px;
  max-width: 360px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.upload-spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--gray-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.upload-progress-text {
  font-size: 0.82rem;
  color: var(--gray-mid);
  margin-bottom: 16px;
  min-height: 1.2em;
}

.upload-progress-bar-wrap {
  height: 3px;
  background: var(--gray-border);
  overflow: hidden;
}

.upload-progress-bar {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.2s ease;
}

/* ── Hamburger button (oculto en desktop) ───────────────── */
.sidebar-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px; height: 38px;
  padding: 6px;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}
.sidebar-toggle span {
  display: block;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: all 0.25s;
}
/* X cuando está abierto */
.sidebar-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.sidebar-toggle.open span:nth-child(2) { opacity: 0; }
.sidebar-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Overlay sidebar (móvil) ─────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 199;
}
.sidebar-overlay.open { display: block; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1200px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .recent-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  /* Sidebar se oculta fuera de pantalla por defecto */
  .admin-sidebar {
    transform: translateX(-100%);
  }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main        { margin-left: 0; }
  .admin-content     { padding: 24px 20px; }
  .sidebar-toggle    { display: flex; }
  .admin-topbar      { padding: 0 20px; }
}

@media (max-width: 640px) {
  /* Layout general */
  .admin-content    { padding: 16px; }
  .admin-topbar     { padding: 0 16px; height: 56px; }
  .topbar-title     { font-size: 1rem; }
  .topbar-email     { display: none; } /* ocultar email en topbar para ahorrar espacio */
  .user-avatar      { width: 30px; height: 30px; font-size: 0.7rem; }

  /* Stats: 2 columnas */
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card  { padding: 18px 14px; }
  .stat-value { font-size: 1.6rem; }

  /* Formularios */
  .form-row   { grid-template-columns: 1fr; }
  .modal      { width: calc(100vw - 24px); max-height: 92vh; margin: 12px; }
  .modal-body { padding: 16px; }

  /* Page header apilado en móvil */
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .page-title    { font-size: 1.1rem; }
  .page-subtitle { font-size: 0.7rem; }

  /* Tabla: columnas mínimas visibles */
  .data-table th,
  .data-table td { padding: 10px 8px; font-size: 0.72rem; }

  /* Botones acción más compactos */
  .table-actions { flex-direction: column; gap: 4px; }
  .btn-sm        { padding: 5px 10px; font-size: 0.65rem; }

  /* Settings: una sola columna */
  #page-settings > div[style*="grid-template-columns"] {
    display: flex !important;
    flex-direction: column;
    gap: 16px;
  }

  /* Login en móvil */
  .login-card { padding: 32px 20px; max-width: 100%; margin: 16px; }
  .login-logo-text { font-size: 1.3rem; }
}