/* =========================================================
   Nodotech Dashboard — Design system
   Paleta naranja editorial + serif para títulos
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --orange: #E85D2C;
  --orange-dark: #C04A1F;
  --orange-soft: #FBE4D6;
  --cream: #FAF6F1;
  --cream-2: #F4EEE5;
  --dark: #1A1A1A;
  --gray-100: #F4F0EB;
  --gray-200: #E8E2D8;
  --gray-300: #D8D0C2;
  --gray-500: #9C9587;
  --gray-700: #5F594E;
  --green: #5C8B5F;
  --red: #C04A3B;
  --amber: #E8A04A;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;

  --font-sans: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

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

html, body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--dark);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--orange); text-decoration: none; }
a:hover { text-decoration: underline; }

/* =========================================================
   LAYOUT
   ========================================================= */
.app-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--cream-2);
  border-right: 1px solid var(--gray-200);
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding: 0 6px;
}
.sidebar-brand-logo {
  width: 36px; height: 36px;
  background: var(--orange);
  border-radius: 8px;
  display: grid; place-items: center;
  color: white;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
}
.sidebar-brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--dark);
  letter-spacing: -0.02em;
}
.sidebar-brand-sub {
  font-size: 11px;
  color: var(--gray-500);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.sidebar-section {
  margin-top: 22px;
  padding: 0 6px;
}
.sidebar-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  margin-bottom: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--dark);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 2px;
  cursor: pointer;
}
.nav-item:hover {
  background: var(--gray-100);
  text-decoration: none;
}
.nav-item.active {
  background: var(--orange);
  color: white;
}
.nav-item.active .nav-icon { color: white; }

.nav-icon {
  width: 20px;
  display: inline-flex;
  justify-content: center;
  font-size: 16px;
}

/* === Main === */
.main {
  padding: 32px 40px;
  max-width: 1400px;
  width: 100%;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}
.topbar-left h1 {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.topbar-left .breadcrumb {
  font-size: 12px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.user-chip {
  display: flex; align-items: center; gap: 10px;
  background: white;
  padding: 8px 14px 8px 8px;
  border-radius: 28px;
  border: 1px solid var(--gray-200);
  font-size: 13px;
}
.user-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--orange);
  color: white;
  display: grid; place-items: center;
  font-weight: 600;
  font-size: 13px;
}
.user-name { font-weight: 600; }
.user-role { color: var(--gray-500); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }
.user-chip a { color: var(--gray-500); font-size: 12px; margin-left: 6px; }

/* === Impersonate banner === */
.imp-banner {
  background: var(--amber);
  color: var(--dark);
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-weight: 500;
}
.imp-banner form { display: inline; }
.imp-banner button {
  background: var(--dark);
  color: white;
  border: 0;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
}

/* =========================================================
   CARDS & STATS
   ========================================================= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}
.stat-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px;
}
.stat-label {
  font-size: 11px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.stat-value {
  font-family: var(--font-serif);
  font-size: 42px;
  line-height: 1.1;
  margin-top: 6px;
  color: var(--dark);
}
.stat-sub {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 4px;
}

.section-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.section-card h2 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

/* =========================================================
   LOGIN
   ========================================================= */
.login-shell {
  min-height: 100vh;
  display: grid; place-items: center;
  background: var(--cream);
  padding: 20px;
}
.login-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 420px;
}
.login-logo {
  width: 56px; height: 56px;
  background: var(--orange);
  border-radius: 12px;
  display: grid; place-items: center;
  color: white;
  font-family: var(--font-serif);
  font-size: 30px;
  margin-bottom: 18px;
}
.login-card h1 {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.login-card .subtitle {
  color: var(--gray-500);
  font-size: 14px;
  margin-bottom: 28px;
}

/* =========================================================
   FORMS
   ========================================================= */
form .field {
  margin-bottom: 16px;
}
form label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-700);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
form input[type="text"],
form input[type="email"],
form input[type="password"],
form input[type="number"],
form select,
form textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  background: white;
  color: var(--dark);
  transition: border-color 0.15s;
}
form input:focus, form select:focus, form textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-soft);
}
form textarea {
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border: 0;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}
.btn-primary {
  background: var(--orange);
  color: white;
}
.btn-primary:hover { background: var(--orange-dark); text-decoration: none; color: white; }
.btn-secondary {
  background: white;
  border: 1px solid var(--gray-300);
  color: var(--dark);
}
.btn-secondary:hover { background: var(--gray-100); text-decoration: none; }
.btn-ghost {
  background: transparent;
  color: var(--gray-700);
}
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 14px; font-size: 12px; }

.alert {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
}
.alert-error { background: #FBEBE7; color: var(--red); border: 1px solid #F5C8BF; }
.alert-success { background: #E8F1E5; color: var(--green); border: 1px solid #C5DBC0; }
.alert-info { background: var(--orange-soft); color: var(--orange-dark); }

/* =========================================================
   TABLA CATÁLOGO
   ========================================================= */
.toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.toolbar form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.toolbar input[type="text"], .toolbar select {
  padding: 8px 12px;
  font-size: 13px;
  width: auto;
}
.toolbar .toolbar-stats {
  margin-left: auto;
  font-size: 13px;
  color: var(--gray-500);
}

.products-table {
  width: 100%;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  border-collapse: collapse;
  overflow: hidden;
}
.products-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-500);
  padding: 12px 14px;
  background: var(--gray-100);
  border-bottom: 1px solid var(--gray-200);
}
.products-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--gray-100);
  font-size: 13px;
  vertical-align: middle;
}
.products-table tr:last-child td { border-bottom: 0; }
.products-table tr:hover td { background: var(--cream); }

.thumb {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
  object-fit: cover;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-success { background: #E8F1E5; color: var(--green); }
.badge-danger { background: #FBEBE7; color: var(--red); }
.badge-warning { background: #FCEED8; color: #B26B16; }
.badge-neutral { background: var(--gray-100); color: var(--gray-700); }

.price {
  font-family: var(--font-mono);
  font-weight: 600;
}
.price-old {
  text-decoration: line-through;
  color: var(--gray-500);
  font-size: 11px;
  display: block;
}

.sku {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray-700);
}

/* === Pagination === */
.pagination {
  display: flex;
  gap: 6px;
  margin-top: 16px;
  justify-content: center;
}
.pagination a, .pagination span {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
  font-size: 13px;
  color: var(--dark);
  background: white;
}
.pagination .active { background: var(--orange); color: white; border-color: var(--orange); }
.pagination .disabled { color: var(--gray-300); }

/* =========================================================
   EDIT PRODUCT
   ========================================================= */
.edit-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
}
.edit-foto {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px;
}
.edit-foto img {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  background: var(--gray-100);
}
.edit-form {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.checkbox-line {
  display: flex; align-items: center; gap: 10px;
  padding: 12px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
}
.checkbox-line input { width: 18px; height: 18px; cursor: pointer; }

.form-tabs {
  display: flex;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 20px;
}
.form-tab {
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: var(--gray-500);
  border-bottom: 2px solid transparent;
}
.form-tab.active {
  color: var(--orange);
  border-bottom-color: var(--orange);
}
.form-section { display: none; }
.form-section.active { display: block; }

/* =========================================================
   STUB
   ========================================================= */
.stub {
  background: white;
  border: 1px dashed var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
}
.stub h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 400;
  margin-bottom: 10px;
}
.stub p { color: var(--gray-700); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .main { padding: 20px; }
  .edit-grid { grid-template-columns: 1fr; }
  .field-row, .field-row-3 { grid-template-columns: 1fr; }
}