:root,
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1117;
  --bg-card: #181b25;
  --bg-hover: #1f2433;
  --border: #2a3042;
  --text: #e8eaf0;
  --text-muted: #8b93a7;
  --accent: #5b8def;
  --accent-soft: rgba(91, 141, 239, 0.12);
  --accent-glow: rgba(91, 141, 239, 0.35);
  --accent-secondary: #7c5ce7;
  --success: #3ecf8e;
  --success-glow: rgba(62, 207, 142, 0.35);
  --radius: 14px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --bg-glow: rgba(91, 141, 239, 0.15);
  --group-hover-glow: rgba(91, 141, 239, 0.18);
  --group-border-hover: rgba(91, 141, 239, 0.3);
  --credential-label: #b7bfd4;
  --pending-border: #f59e0b66;
  --pending-bg: #f59e0b1f;
  --pending-color: #fbbf24;
  --error-color: #f87171;
  --danger-bg: rgba(248, 113, 113, 0.1);
  --danger-border: rgba(248, 113, 113, 0.4);
  --danger-color: #f87171;
  --modal-overlay: rgba(6, 8, 14, 0.72);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #f0f2f8;
  --bg-card: #ffffff;
  --bg-hover: #e8ecf4;
  --border: #d4dae8;
  --text: #1a1f2e;
  --text-muted: #5c6578;
  --accent: #3b6fd4;
  --accent-soft: rgba(59, 111, 212, 0.1);
  --accent-glow: rgba(59, 111, 212, 0.22);
  --accent-secondary: #6b4fc7;
  --success: #1f9d63;
  --success-glow: rgba(31, 157, 99, 0.25);
  --shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
  --bg-glow: rgba(59, 111, 212, 0.1);
  --group-hover-glow: rgba(59, 111, 212, 0.12);
  --group-border-hover: rgba(59, 111, 212, 0.28);
  --credential-label: #4a5568;
  --pending-border: rgba(217, 119, 6, 0.45);
  --pending-bg: rgba(245, 158, 11, 0.14);
  --pending-color: #b45309;
  --error-color: #dc2626;
  --danger-bg: rgba(220, 38, 38, 0.08);
  --danger-border: rgba(220, 38, 38, 0.3);
  --danger-color: #dc2626;
  --modal-overlay: rgba(15, 23, 42, 0.45);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--bg-glow), transparent),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  font-size: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 4px 20px var(--accent-glow);
}

h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.search-bar {
  position: relative;
  max-width: 480px;
  margin: 0 auto 2rem;
}

.search-bar input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-bar input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.search-bar input::placeholder {
  color: var(--text-muted);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.stats {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stat strong {
  color: var(--accent);
  font-weight: 600;
}

.groups {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color 0.2s;
}

.group:hover {
  border-color: var(--group-border-hover);
}

.group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  cursor: pointer;
  user-select: none;
  background: linear-gradient(90deg, var(--accent-soft), transparent);
  border: none;
  width: 100%;
  color: inherit;
  font: inherit;
  text-align: left;
}

.group-header:hover {
  background: linear-gradient(90deg, var(--group-hover-glow), transparent);
}

.group-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.group-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.9rem;
}

.group-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

.chevron {
  color: var(--text-muted);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.group.collapsed .chevron {
  transform: rotate(-90deg);
}

.group.collapsed .links-grid {
  display: none;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.65rem;
  padding: 0.75rem 1rem 1.25rem;
}

.link-card {
  display: flex;
  flex-direction: column;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  background: var(--bg);
  border: 1px solid transparent;
  color: var(--text);
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}

.link-card:hover {
  background: var(--bg-hover);
  border-color: var(--border);
  transform: translateY(-1px);
}

.link-main {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.link-card.hidden {
  display: none;
}

.link-favicon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--bg-card);
  object-fit: contain;
  flex-shrink: 0;
}

.link-info {
  min-width: 0;
  flex: 1;
}

.link-name {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.link-status {
  display: inline-flex;
  align-items: center;
  margin-top: 0.3rem;
  padding: 0.1rem 0.45rem;
  border: 1px solid var(--pending-border);
  border-radius: 999px;
  background: var(--pending-bg);
  color: var(--pending-color);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.link-card.is-pending {
  border-color: var(--pending-border);
}

.link-url {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.link-credentials {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-top: 0.55rem;
  padding-top: 0.55rem;
  padding-left: calc(28px + 0.85rem);
  border-top: 1px dashed var(--border);
}

.credential-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.credential-group + .credential-group {
  margin-top: 0.15rem;
  padding-top: 0.45rem;
  border-top: 1px dashed var(--border);
}

.credential-group-title {
  font-size: 0.64rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
}

.credential-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  min-width: 0;
}

.credential-label {
  color: var(--credential-label);
  font-weight: 600;
  flex-shrink: 0;
}

.credential-value {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: "Consolas", "SF Mono", monospace;
  letter-spacing: 0.02em;
}

.credential-value.is-locked {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--text-muted);
  font-style: italic;
}

.credential-value.is-locked::before {
  content: "🔒";
  font-style: normal;
}

.credential-actions {
  display: inline-flex;
  gap: 0.15rem;
  flex-shrink: 0;
}

.cred-btn {
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  border-radius: 6px;
  width: 24px;
  height: 24px;
  font-size: 0.72rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  padding: 0;
}

.cred-btn:hover:not(:disabled) {
  color: var(--accent);
  border-color: var(--accent);
}

.cred-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.link-arrow {
  color: var(--text-muted);
  opacity: 0;
  transition: opacity 0.15s, transform 0.15s;
  flex-shrink: 0;
}

.link-card:hover .link-arrow {
  opacity: 1;
  transform: translateX(2px);
}

.empty-state,
.error-state,
.loading-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
}

.error-state {
  color: var(--error-color);
}

.loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 0 auto 1rem;
  animation: spin 0.8s linear infinite;
}

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

.no-results {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  display: none;
}

.no-results.visible {
  display: block;
}

footer {
  text-align: center;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
}

footer code {
  background: var(--bg-card);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.78rem;
}

/* ---------- Barra de herramientas y botones ---------- */

.toolbar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.toolbar-wrap {
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, transform 0.15s, opacity 0.15s;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary.is-unlocked {
  background: linear-gradient(135deg, var(--success), var(--success));
  box-shadow: 0 4px 16px var(--success-glow);
}

.btn-ghost:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

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

.btn-danger:hover:not(:disabled) {
  background: var(--danger-border);
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
}

/* ---------- Modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--modal-overlay);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 50;
}

.modal-overlay[hidden] {
  display: none;
}

.modal,
.gate-panel {
  width: min(440px, 100%);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.modal h2,
.gate-panel h2 {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
}

.modal-desc {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.modal-error {
  margin: 0.75rem 0 0;
  color: var(--error-color);
  font-size: 0.82rem;
  min-height: 1.1em;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

/* ---------- Campos de formulario ---------- */

.field {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field-label {
  display: block;
  margin-bottom: 0.9rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.field-label .field {
  margin-top: 0.35rem;
}

/* ---------- Pantalla de bóveda (gestion.html) ---------- */

.gate {
  display: flex;
  justify-content: center;
}

.gate-loading {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem;
}

.editor-banner {
  margin: 0 0 1.25rem;
  padding: 0.85rem 1.1rem;
  border-radius: 10px;
  border: 1px solid var(--accent-soft);
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.88rem;
  line-height: 1.45;
}

.editor-banner.is-success {
  border-color: var(--success);
  background: var(--success-glow);
}

.editor-banner.is-error {
  border-color: var(--danger-border);
  background: var(--danger-bg);
}

.editor-banner code {
  background: var(--bg);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.82rem;
}

.editor-hint {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: -0.5rem 0 1.5rem;
}

/* Modo editor: ocultar pantalla de desbloqueo y compactar cabecera */
body.vault-editing #gate {
  display: none;
}

body.vault-editing header {
  margin-bottom: 1.25rem;
}

body.vault-editing .subtitle {
  display: none;
}

.editor-toolbar {
  margin-bottom: 1.5rem;
}

.groups-editor {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.group-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow);
}

.group-block-head {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1.1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.group-block-head .group-name {
  font-weight: 700;
  font-size: 1.05rem;
  border-color: transparent;
  background: transparent;
  padding-left: 0.6rem;
  border-left: 3px solid var(--accent);
  border-radius: 0;
}

.group-block-head .group-name:focus {
  border-color: transparent;
  border-left-color: var(--accent);
  box-shadow: none;
  background: var(--bg);
  border-radius: 8px;
}

.link-rows {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.link-row-edit {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.link-row-edit:hover {
  border-color: var(--group-border-hover);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
}

/* El estado "pendiente" se indica solo con un badge y un acento lateral discreto,
   sin cambiar el color de fondo de la caja (todas las cajas son iguales). */
.link-row-edit.is-pending {
  border-color: var(--pending-border);
}

.link-row-edit.is-pending::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--pending-color);
  z-index: 1;
}

/* Cabecera resumen (siempre visible) */
.link-row-summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  cursor: pointer;
  user-select: none;
}

.link-row-summary:hover {
  background: var(--bg-hover);
}

.link-row-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  font-size: 0.8rem;
  transition: transform 0.2s ease;
}

.link-row-edit.collapsed .link-row-chevron {
  transform: rotate(-90deg);
}

.link-row-summary-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.link-row-summary-title {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.link-row-summary-title.is-empty {
  color: var(--text-muted);
  font-style: italic;
  font-weight: 500;
}

.link-row-summary-url {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.link-row-summary-pending {
  flex-shrink: 0;
  padding: 0.12rem 0.55rem;
  border: 1px solid var(--pending-border);
  border-radius: 999px;
  background: var(--pending-bg);
  color: var(--pending-color);
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Cuerpo desplegable */
.link-row-body {
  padding: 0 1.1rem 1.1rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.link-row-edit.collapsed .link-row-body {
  display: none;
}

.link-row-name {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px dashed var(--border);
}

.link-row-name-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.link-row-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.link-name-input {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg-card);
  padding: 0.6rem 0.8rem;
}

.link-name-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: var(--bg-card);
}

.link-name-input::placeholder {
  color: var(--text-muted);
  font-weight: 500;
}

.link-row-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.link-field-cell {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.link-field-cell:last-child {
  grid-column: 1 / -1;
}

.link-field-cell-full {
  grid-column: 1 / -1;
}

.link-cred-group {
  grid-column: 1 / -1;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
}

.link-cred-group-head {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 0.65rem;
}

.link-cred-group-title {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text);
}

.link-cred-group-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.link-cred-group-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.link-row-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.field-wrap,
.pass-wrap {
  display: flex;
  gap: 0.35rem;
  align-items: stretch;
}

.field-wrap .field,
.pass-wrap .field {
  flex: 1;
  min-width: 0;
}

.field-wrap .cred-btn,
.pass-wrap .cred-btn {
  width: 38px;
  height: auto;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.link-row-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.7rem;
}

.pending-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
}

/* ---------- Alternador de tema ---------- */

.theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 40;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  line-height: 1;
  box-shadow: var(--shadow);
  transition: transform 0.15s, border-color 0.15s, background-color 0.2s;
}

.theme-toggle:hover {
  transform: scale(1.06);
  border-color: var(--accent);
}

.theme-toggle .theme-icon-moon {
  display: none;
}

.theme-toggle.is-light .theme-icon-sun {
  display: none;
}

.theme-toggle.is-light .theme-icon-moon {
  display: inline;
}

@media (max-width: 600px) {
  .container {
    padding-top: 1.5rem;
  }

  .links-grid {
    grid-template-columns: 1fr;
  }

  .link-row-grid,
  .link-row-fields,
  .link-cred-group-fields {
    grid-template-columns: 1fr;
  }

  .link-field-cell:last-child {
    grid-column: auto;
  }

  .toolbar {
    flex-direction: column;
  }

  .toolbar .btn {
    width: 100%;
    justify-content: center;
  }
}