/* ==========================================================================
   Bóveda cifrada de notas y credenciales • Fijate Tools
   Diseño canónico corporativo (Dark/Light) conforme a la guía de estilo
   ========================================================================== */

:root {
  --bg-main: #090d16;
  --bg-card: #111827;
  --bg-card-subtle: #172134;
  --bg-input: #1a243b;
  --border-color: #26354f;
  --border-focus: #3b82f6;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-faint: #64748b;

  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 14px -1px rgba(0, 0, 0, 0.4);
  --radius-md: 10px;
  --radius-lg: 14px;
}

[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #cbd5e1;
  --border-focus: #2563eb;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-faint: #64748b;

  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px -2px rgba(0, 0, 0, 0.1);
}

/* 1. Reseteo y tipografía */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--text-main);
  line-height: 1.3;
}

.mono-font, .vault-item-meta span, code {
  font-family: 'JetBrains Mono', monospace;
}

/* 2. Layout principal */
.tool-layout {
  max-width: 1200px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  width: 100%;
  flex: 1;
}

.tool-with-sidebar {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  width: 100%;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  width: 100%;
}

/* 3. Pantalla de bloqueo (Lock Screen) */
.lock-screen-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.75rem;
  max-width: 520px;
  margin: 1.5rem auto 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.lock-screen-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lock-screen-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.lock-screen-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  line-height: 1.5;
}

.lock-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: left;
}

.unlock-error-msg {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
  font-size: 0.85rem;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-md);
  margin-top: 0.5rem;
}

/* Medidor de entropía */
.entropy-box {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.85rem;
  margin-top: 0.25rem;
}

.entropy-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.775rem;
  color: var(--text-muted);
}

.entropy-track {
  width: 100%;
  height: 5px;
  background: var(--bg-input);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 0.35rem;
}

.entropy-bar {
  width: 0%;
  height: 100%;
  background: var(--accent-danger);
  transition: width 0.3s, background-color 0.3s;
}

/* 4. Barra de control de la bóveda desbloqueada */
.vault-controls-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.vault-controls-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.search-wrapper {
  flex: 1 1 260px;
  position: relative;
}

.search-input {
  padding-left: 2.3rem;
  height: 42px;
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.vault-top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.vault-categories-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  border-top: 1px solid var(--border-color);
  padding-top: 0.85rem;
}

.chip-vault-cat {
  background: var(--bg-card-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.chip-vault-cat:hover {
  color: var(--text-main);
  border-color: var(--text-muted);
}

.chip-vault-cat.active {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

/* 5. Tarjetas de métricas */
.vault-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.stat-label {
  font-size: 0.775rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-number {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
}

.stat-highlight {
  color: var(--accent-primary);
}

/* 6. Listado de secretos */
.vault-items-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.vault-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.vault-item-card:hover {
  border-color: var(--border-focus);
}

.vault-item-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1 1 240px;
  min-width: 0;
}

.vault-item-icon {
  font-size: 1.35rem;
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

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

.vault-item-title {
  font-size: 1.05rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vault-item-meta {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vault-link {
  color: var(--accent-primary);
  text-decoration: none;
}

.vault-link:hover {
  text-decoration: underline;
}

.vault-item-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.vault-badge-cat {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-card-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

/* 7. Desplegables, campos y botones */
select, .form-control {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 42px;
  padding: 0 2.5rem 0 0.85rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-main);
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

select option, select optgroup {
  background-color: var(--bg-card);
  color: var(--text-main);
}

select:focus, .form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

textarea.form-control {
  height: auto;
  min-height: 90px;
  padding: 0.75rem;
  background-image: none;
  white-space: normal;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 42px;
  min-height: 42px;
  padding: 0 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #ffffff;
}

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

.btn-secondary {
  background-color: var(--bg-card-subtle);
  color: var(--text-main);
  border-color: var(--border-color);
}

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

.btn-icon-subtle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.825rem;
  font-weight: 500;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon-subtle:hover {
  background: var(--bg-card-subtle);
  color: var(--text-main);
}

.btn-icon-subtle.text-danger:hover {
  color: var(--accent-danger);
}

/* 8. Estado vacío */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
  margin-top: 1rem;
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.empty-state-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.empty-state-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 440px;
  margin: 0 auto;
}

/* 9. Modales */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  transform: translateY(15px);
  transition: transform 0.25s ease;
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--text-main);
  background: var(--bg-card-subtle);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

/* 10. Responsive para móviles */
@media (max-width: 768px) {
  .tool-layout {
    margin: 1rem auto 2rem;
    padding: 0 0.75rem;
  }

  .tool-with-sidebar {
    flex-direction: column;
    gap: 1rem;
  }

  .vault-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .vault-controls-top {
    flex-direction: column;
    align-items: stretch;
  }

  .vault-top-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
  }

  .btn {
    width: 100%;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .vault-item-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .vault-item-right {
    width: 100%;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
    padding-top: 0.65rem;
  }

  .modal-card {
    max-height: 95vh;
  }

  .modal-footer {
    flex-direction: column;
  }
}