/* License Hub — Design System v2 */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");

:root {
  /* Colors */
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-surface-elevated: #243044;
  --color-border: #334155;
  --color-border-subtle: #293548;
  --color-text: #f8fafc;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-soft: rgba(59, 130, 246, 0.12);
  --color-indigo: #4f46e5;
  --color-success: #22c55e;
  --color-success-soft: rgba(34, 197, 94, 0.12);
  --color-warning: #f59e0b;
  --color-warning-soft: rgba(245, 158, 11, 0.12);
  --color-danger: #ef4444;
  --color-danger-soft: rgba(239, 68, 68, 0.12);

  /* Spacing scale */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;

  /* Radius & shadow */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.36);

  /* Typography */
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 180ms;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 0.625rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-indigo));
  color: #fff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--color-surface-elevated);
  border-color: #475569;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-primary-soft);
  color: var(--color-text);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.btn-icon:hover {
  background: var(--color-surface-elevated);
  color: var(--color-text);
  border-color: #475569;
}

.btn-icon svg { width: 16px; height: 16px; }

.btn-danger-soft {
  background: var(--color-danger-soft);
  color: var(--color-danger);
  border-color: transparent;
}

.btn-success-soft {
  background: var(--color-success-soft);
  color: var(--color-success);
  border-color: transparent;
}

/* ── Cards ── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

/* ── Forms ── */
.field { margin-bottom: var(--space-2); }

.field label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.input, .select, .textarea {
  width: 100%;
  padding: 0.75rem 0.875rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--text-sm);
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.textarea { resize: vertical; min-height: 80px; }

/* ── Badges & Chips ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: capitalize;
  letter-spacing: 0.02em;
}

.badge.active { background: var(--color-success-soft); color: var(--color-success); }
.badge.suspended { background: var(--color-danger-soft); color: var(--color-danger); }
.badge.trial { background: var(--color-warning-soft); color: var(--color-warning); }
.badge.expired { background: var(--color-danger-soft); color: var(--color-danger); }
.badge.pending { background: var(--color-warning-soft); color: var(--color-warning); }
.badge.overdue { background: var(--color-danger-soft); color: var(--color-danger); }
.badge.paid { background: var(--color-success-soft, rgba(34,197,94,0.15)); color: var(--color-success, #4ade80); }
.badge.waived { background: rgba(148,163,184,0.2); color: #cbd5e1; }

.billing-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}
.billing-chip {
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 13px;
}
.billing-chip.paid { border-color: rgba(74,222,128,0.4); }
.billing-chip.pending { border-color: rgba(251,191,36,0.4); }

.vigencia { line-height: 1.3; }
.vigencia-meta { font-size: 11px; opacity: 0.72; margin-top: 2px; }
.vigencia-meta.warn { color: #fbbf24; opacity: 1; }
.vigencia-meta.expired { color: #f87171; opacity: 1; }

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  margin: 2px;
  border-radius: 6px;
  font-size: var(--text-xs);
  font-weight: 500;
  background: var(--color-primary-soft);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.code {
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: var(--text-xs);
  background: var(--color-bg);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--color-border-subtle);
  color: #cbd5e1;
}

/* ── Table ── */
.table-container {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
  overflow-y: auto;
  max-height: calc(100vh - 280px);
  scrollbar-gutter: stable;
}

.table-scroll::-webkit-scrollbar {
  height: 12px;
  width: 12px;
}

.table-scroll::-webkit-scrollbar-thumb {
  background: #475569;
  border-radius: 8px;
}

.table-scroll::-webkit-scrollbar-track {
  background: #0f172a;
}

.data-table {
  width: 100%;
  min-width: 1180px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--color-surface-elevated);
}

.data-table th {
  text-align: left;
  padding: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.data-table th:hover { color: var(--color-text); }
.data-table th.sorted { color: var(--color-primary); }

.data-table td {
  padding: var(--space-2);
  border-bottom: 1px solid var(--color-border-subtle);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background var(--duration) var(--ease);
}

.data-table tbody tr:nth-child(even) { background: rgba(15, 23, 42, 0.35); }
.data-table tbody tr:hover { background: rgba(59, 130, 246, 0.06); }

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

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: var(--space-2);
  animation: fadeIn var(--duration) var(--ease);
}

.modal {
  width: 100%;
  max-width: 480px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  padding: var(--space-3);
  animation: slideUp 220ms var(--ease);
}

.modal-wide {
  max-width: 760px;
}

.modal-scroll {
  max-height: calc(100vh - 32px);
  overflow-y: auto;
}

.product-pick {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}

.url-preview,
.created-block {
  margin-top: 8px;
  padding: 10px 12px;
  border: 1px solid var(--color-border, #1e293b);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.35);
}

.url-preview-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 4px;
}

#new-system-preview-url,
.created-url {
  display: block;
  word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  color: #7dd3fc;
}

.created-block .btn-small {
  margin-top: 8px;
}

.btn-small {
  padding: 6px 10px;
  font-size: 12px;
}

.product-pick-btn {
  border: 1px solid var(--color-border, #1e293b);
  background: transparent;
  color: inherit;
  border-radius: 12px;
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
}

.product-pick-btn strong {
  display: block;
}

.product-pick-btn span {
  display: block;
  font-size: 12px;
  opacity: 0.7;
  margin-top: 2px;
}

.product-pick-btn.active {
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field-hint {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--color-text-secondary);
}

.modal-title {
  margin: 0 0 var(--space-1);
  font-size: var(--text-xl);
  font-weight: 700;
}

.modal-desc {
  margin: 0 0 var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-1);
  margin-top: var(--space-3);
}

/* ── Toast ── */
.toast-container {
  position: fixed;
  top: var(--space-2);
  right: var(--space-2);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-width: 400px;
}

.toast {
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-elevated);
  box-shadow: var(--shadow-md);
  animation: slideInRight 240ms var(--ease);
  font-size: var(--text-sm);
  overflow-wrap: anywhere;
  max-width: 360px;
}

.toast.success { border-color: rgba(34, 197, 94, 0.4); }
.toast.error { border-color: rgba(239, 68, 68, 0.4); }
.toast.warning { border-color: rgba(245, 158, 11, 0.4); }

/* ── Empty & Loading ── */
.empty-state {
  text-align: center;
  padding: var(--space-5) var(--space-2);
  color: var(--color-text-secondary);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-2);
  opacity: 0.6;
}

.loading-skeleton {
  background: linear-gradient(90deg, var(--color-surface) 25%, var(--color-surface-elevated) 50%, var(--color-surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border-radius: var(--radius-sm);
  height: 200px;
}

.alert {
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.alert-error {
  background: var(--color-danger-soft);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

/* ── Usage bar ── */
.usage-bar {
  margin-top: 6px;
  height: 6px;
  background: var(--color-bg);
  border-radius: var(--radius-full);
  overflow: hidden;
  max-width: 100px;
}

.usage-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-indigo));
  border-radius: var(--radius-full);
  transition: width 400ms var(--ease);
}

.usage-text { color: var(--color-primary); font-weight: 600; }

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-elevated);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.pagination-btns { display: flex; gap: 6px; }

/* ── Animations ── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(16px); } to { opacity: 1; transform: translateX(0); } }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}