:root {
  --primary: #2563EB;
  --primary-light: #3B82F6;
  --secondary: #7C3AED;
  --success: #10B981;
  --danger: #EF4444;
  --warning: #F59E0B;
  --c-bg: #F8FAFC;
  --c-surface: #FFFFFF;
  --c-surface-hover: rgba(37,99,235,0.06);
  --c-border: #E2E8F0;
  --c-text: #0F172A;
  --c-text-dim: rgba(15,23,42,0.55);
  --c-text-mute: rgba(15,23,42,0.25);
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --ease-smooth: cubic-bezier(0.76, 0, 0.24, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --radius-glass: 16px;
  --radius-sm: 10px;
}

[data-theme="dark"] {
  --c-bg: #0F172A;
  --c-surface: #1E293B;
  --c-surface-hover: rgba(37,99,235,0.12);
  --c-border: #334155;
  --c-text: #F8FAFC;
  --c-text-dim: rgba(248,250,252,0.55);
  --c-text-mute: rgba(248,250,252,0.25);
  --primary: #3B82F6;
  --primary-light: #60A5FA;
  --secondary: #8B5CF6;
  --success: #34D399;
  --danger: #F87171;
  --warning: #FBBF24;
}

[data-theme="dark"] .glass-card {
  background: rgba(30,41,59,0.6);
  border-color: #334155;
}

[data-theme="dark"] .form-input {
  background: rgba(15,23,42,0.5);
}

[data-theme="dark"] .chip {
  background: rgba(30,41,59,0.6);
}

[data-theme="dark"] .dialog-box {
  background: #1E293B;
}

[data-theme="dark"] .toast {
  background: #1E293B;
}

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

html, body {
  width: 100%; min-height: 100vh;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 20px 60px;
  background:
    radial-gradient(circle at top left, rgba(37,99,235,0.06) 0%, transparent 35%),
    radial-gradient(circle at bottom right, rgba(124,58,237,0.06) 0%, transparent 35%),
    var(--c-bg);
}

.app-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1300px;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 24px 0 16px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 24px;
}

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

.logo-ring {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  flex-shrink: 0;
}

.header h1 {
  font-family: var(--font-title);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-text);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-sub {
  font-size: 11px;
  color: var(--c-text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.header-stats {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.stat-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 30px;
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-text-dim);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
  font-family: var(--font-body);
}

.stat-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--c-surface-hover);
}

/* Dashboard */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-glass);
  padding: 18px 20px;
  transition: all 0.25s var(--ease-out);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.06);
}

.stat-card-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-dim);
  margin-bottom: 4px;
}

.stat-card-value {
  font-family: var(--font-title);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--c-text);
  line-height: 1.1;
}

.stat-card-value.primary { color: var(--primary); }
.stat-card-value.success { color: var(--success); }
.stat-card-value.danger { color: var(--danger); }
.stat-card-value.warning { color: var(--warning); }

/* Glass card */
.glass-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-glass);
  padding: 24px;
  transition: border-color 0.3s, background 0.3s;
}

.glass-card:hover {
  border-color: rgba(37,99,235,0.15);
}

/* Form */
.form-section {
  margin-bottom: 24px;
}

.form-title {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--c-text);
  margin-bottom: 4px;
}

.form-subtitle {
  font-size: 12px;
  color: var(--c-text-dim);
  margin-bottom: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-text-dim);
}

.form-input {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--c-text);
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

.form-input::placeholder {
  color: var(--c-text-mute);
}

select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='rgba(15,23,42,0.4)' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.form-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 4px;
  grid-column: 1 / -1;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(37,99,235,0.3);
}

.btn-secondary {
  background: var(--c-surface);
  color: var(--c-text-dim);
  border-color: var(--c-border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-danger {
  background: rgba(239,68,68,0.1);
  color: var(--danger);
  border-color: rgba(239,68,68,0.2);
}

.btn-danger:hover {
  background: rgba(239,68,68,0.18);
  border-color: rgba(239,68,68,0.35);
}

/* Photo upload */
.photo-upload-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.photo-preview {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--c-border);
  background: var(--c-surface);
}

.photo-placeholder {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  border: 1px dashed var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-mute);
  font-size: 20px;
}

/* Novedades chips */
.novedades-section {
  grid-column: 1 / -1;
  display: none;
}

.novedades-section.visible {
  display: block;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-text-dim);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  user-select: none;
}

.chip:hover {
  border-color: var(--primary);
  background: var(--c-surface-hover);
}

.chip.active {
  border-color: var(--danger);
  background: rgba(239,68,68,0.1);
  color: var(--danger);
}

.chip.active::before {
  content: '\2713';
  font-size: 11px;
  font-weight: 700;
}

.chip-icon {
  font-size: 13px;
}

/* Search */
.search-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.search-input-wrapper .form-input {
  width: 100%;
  padding-left: 38px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-text-mute);
  font-size: 15px;
  pointer-events: none;
}

/* Table (desktop) */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-glass);
  border: 1px solid var(--c-border);
}

.inventory-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.inventory-table thead {
  background: rgba(37,99,235,0.04);
}

.inventory-table th {
  text-align: left;
  padding: 12px 14px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-text-dim);
  border-bottom: 1px solid var(--c-border);
  white-space: nowrap;
}

.inventory-table td {
  padding: 12px 14px;
  color: var(--c-text);
  border-bottom: 1px solid var(--c-border);
  vertical-align: middle;
}

.inventory-table tbody tr {
  transition: background 0.2s;
}

.inventory-table tbody tr:hover {
  background: var(--c-surface-hover);
}

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

/* Badges */
.badge-tipo {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-tipo.laptop     { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.2); color: var(--success); }
.badge-tipo.escritorio { background: rgba(37,99,235,0.1);  border-color: rgba(37,99,235,0.2);  color: var(--primary); }
.badge-tipo.impresora  { background: rgba(245,158,11,0.1); border-color: rgba(245,158,11,0.2); color: var(--warning); }
.badge-tipo.scanner    { background: rgba(124,58,237,0.1); border-color: rgba(124,58,237,0.2); color: var(--secondary); }
.badge-tipo.router     { background: rgba(239,68,68,0.1);  border-color: rgba(239,68,68,0.2);  color: var(--danger); }
.badge-tipo.monitor    { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.2); color: var(--success); }
.badge-tipo.ups        { background: rgba(245,158,11,0.1); border-color: rgba(245,158,11,0.2); color: var(--warning); }
.badge-tipo.switch     { background: rgba(37,99,235,0.1);  border-color: rgba(37,99,235,0.2);  color: var(--primary); }
.badge-tipo.servidor   { background: rgba(239,68,68,0.1);  border-color: rgba(239,68,68,0.2);  color: var(--danger); }
.badge-tipo.tablet     { background: rgba(124,58,237,0.1); border-color: rgba(124,58,237,0.2); color: var(--secondary); }
.badge-tipo.proyector  { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.2); color: var(--success); }

.badge-estado {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-estado.funcionando {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.2);
  color: var(--success);
}

.badge-estado.defectuosa {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.2);
  color: var(--danger);
}

.novedades-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.novedad-tag {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 500;
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.18);
  color: var(--danger);
  white-space: nowrap;
}

.novedad-tag.none {
  background: transparent;
  border: none;
  color: var(--c-text-mute);
  font-size: 11px;
}

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

.btn-icon {
  width: 32px; height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-text-dim);
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
  font-size: 14px;
}

.btn-icon:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--c-surface-hover);
}

.btn-icon.danger:hover {
  border-color: var(--danger);
  color: var(--danger);
  background: rgba(239,68,68,0.08);
}

/* Photo in table */
.photo-thumb {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  object-fit: cover;
  border: 1px solid var(--c-border);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 50px 20px;
  color: var(--c-text-dim);
}

.empty-state-icon {
  font-size: 42px;
  margin-bottom: 14px;
  opacity: 0.25;
}

.empty-state h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 600;
  color: var(--c-text-mute);
  margin-bottom: 6px;
}

.empty-state p {
  font-size: 13px;
  color: var(--c-text-mute);
  max-width: 360px;
  margin: 0 auto;
}

/* Dialog */
.dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out);
}

.dialog-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.dialog-box {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-glass);
  padding: 32px;
  max-width: 420px;
  width: 90%;
  text-align: center;
  transform: scale(0.9);
  transition: transform 0.3s var(--ease-out);
  box-shadow: 0 16px 50px rgba(0,0,0,0.15);
}

.dialog-overlay.active .dialog-box {
  transform: scale(1);
}

.dialog-box h3 {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 8px;
}

.dialog-box p {
  font-size: 13px;
  color: var(--c-text-dim);
  margin-bottom: 24px;
}

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

/* Toast */
.toast-container {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 36px;
  border-radius: var(--radius-glass);
  background: var(--c-surface);
  border: 2px solid var(--c-border);
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  backdrop-filter: blur(24px);
  animation: toast-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 16px 60px rgba(0,0,0,0.15);
  text-align: center;
  pointer-events: auto;
}

.toast.success { border-color: rgba(16,185,129,0.4); }
.toast.error { border-color: rgba(239,68,68,0.4); }

@keyframes toast-pop {
  from { transform: scale(0.7); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.toast-out {
  animation: toast-fade 0.3s ease-in forwards;
}

@keyframes toast-fade {
  to { transform: scale(0.8); opacity: 0; }
}

#confetti-canvas {
  position: fixed;
  inset: 0;
  z-index: 1999;
  pointer-events: none;
}

/* ===== MOBILE: Table → Cards ===== */
@media (max-width: 768px) {
  body { padding: 12px; }

  .header { flex-direction: column; align-items: flex-start; }
  .header-stats { width: 100%; }

  .form-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-card-value { font-size: 22px; }

  .inventory-table thead { display: none; }
  .inventory-table,
  .inventory-table tbody,
  .inventory-table tr,
  .inventory-table td { display: block; }

  .inventory-table tr {
    margin-bottom: 12px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-glass);
    padding: 14px;
  }

  .inventory-table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid var(--c-border);
    font-size: 13px;
  }

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

  .inventory-table td::before {
    content: attr(data-label);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--c-text-dim);
    flex-shrink: 0;
  }

  .actions-cell { justify-content: flex-end; }
  .table-wrapper { border: none; border-radius: 0; }
}

/* Footer */
.footer {
  margin-top: 40px;
  padding: 20px 0 10px;
  border-top: 1px solid var(--c-border);
  text-align: center;
}
.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--c-text-dim);
}
.footer-brand {
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: 0.02em;
}
.footer-divider {
  color: var(--c-text-mute);
  font-size: 14px;
}

/* Admin Panel */
.admin-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out);
}
.admin-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.admin-panel {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-glass);
  padding: 32px;
  max-width: 480px;
  width: 90%;
  transform: scale(0.9);
  transition: transform 0.3s var(--ease-out);
  box-shadow: 0 16px 50px rgba(0,0,0,0.15);
}
.admin-overlay.active .admin-panel {
  transform: scale(1);
}
.admin-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.admin-panel-title {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 600;
  color: var(--c-text);
}
.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.admin-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 28px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  font-family: var(--font-body);
  color: var(--c-text);
}
.admin-card:hover {
  border-color: var(--primary);
  background: var(--c-surface-hover);
  transform: translateY(-2px);
}
.admin-card-icon {
  font-size: 28px;
}
.admin-card-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.admin-close {
  width: 32px; height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-text-dim);
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
  font-size: 16px;
}
.admin-close:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* Print */
@media print {
  body { background: #fff; padding: 0; }
  .app-container { max-width: 100%; }
  .form-section, .search-bar, .stats-grid, .header-stats, .btn, .btn-icon, .actions-cell,
  #themeToggle, [onclick="clearAll()"], .stat-btn { display: none; }
  .glass-card { border: 1px solid #ddd; background: #fff; }
}