/* ==========================================================================
   PANEL DE ACCESOS - BDELASCA.COM.AR
   Estilos CSS Premium (Dark Mode por defecto, Light Mode intercambiable)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Tema Oscuro (Predeterminado) */
  --bg-color: #0b0f19;
  --bg-gradient: radial-gradient(circle at 50% 0%, #172033 0%, #0b0f19 75%);
  --surface: rgba(18, 26, 43, 0.65);
  --surface-hover: rgba(28, 40, 66, 0.85);
  --surface-solid: #151d30;
  --surface-input: rgba(13, 19, 33, 0.7);
  
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(99, 102, 241, 0.4);
  --border-active: #6366f1;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
  --accent-glow: 0 0 25px rgba(99, 102, 241, 0.35);

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 35px -5px rgba(99, 102, 241, 0.25);

  --badge-bg: rgba(99, 102, 241, 0.15);
  --badge-text: #a5b4fc;
  --badge-border: rgba(99, 102, 241, 0.3);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tema Claro */
[data-theme="light"] {
  --bg-color: #f8fafc;
  --bg-gradient: radial-gradient(circle at 50% 0%, #eef2ff 0%, #f8fafc 75%);
  --surface: rgba(255, 255, 255, 0.8);
  --surface-hover: rgba(255, 255, 255, 0.98);
  --surface-solid: #ffffff;
  --surface-input: #ffffff;
  
  --border: rgba(203, 213, 225, 0.8);
  --border-hover: rgba(99, 102, 241, 0.5);
  --border-active: #4f46e5;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --accent: #4f46e5;
  --accent-light: #6366f1;
  --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #c026d3 100%);
  --accent-glow: 0 0 25px rgba(79, 70, 229, 0.25);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
  --shadow-glow: 0 0 25px -5px rgba(79, 70, 229, 0.15);

  --badge-bg: rgba(79, 70, 229, 0.1);
  --badge-text: #4338ca;
  --badge-border: rgba(79, 70, 229, 0.2);
}

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

html {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  background: var(--bg-gradient);
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

/* Efectos de fondo ambiental decorativos */
.ambient-light {
  position: fixed;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 350px;
  background: var(--accent-gradient);
  filter: blur(140px);
  opacity: 0.22;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  transition: var(--transition);
}

.app-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem 1.5rem;
  flex: 1;
}

/* Header Navbar */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  width: 48px;
  height: 48px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 1.35rem;
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}

.brand-info h1 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.brand-info p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Botón de cambio de tema */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
  transition: transform 0.4s ease;
}

.theme-toggle-btn:hover svg {
  transform: rotate(20deg);
}

/* Botón interactivo secundario (Añadir enlace) */
.btn-action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-gradient);
  color: #ffffff;
  border: none;
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-glow);
}

.btn-action:hover {
  opacity: 0.92;
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.45);
}

/* Secciones de Búsqueda y Filtros */
.controls-section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.search-box {
  position: relative;
  width: 100%;
}

.search-box svg.search-icon {
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  pointer-events: none;
  transition: var(--transition);
}

.search-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  padding: 1rem 3.5rem 1rem 3.2rem;
  font-size: 0.975rem;
  color: var(--text-primary);
  font-family: inherit;
  outline: none;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

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

.search-input:focus {
  background: var(--surface-hover);
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow);
}

.search-input:focus + .search-icon {
  color: var(--accent);
}

.search-shortcut {
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--surface-solid);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  pointer-events: none;
}

/* Categorías (Tabs) */
.categories-tabs {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
}

.categories-tabs::-webkit-scrollbar {
  display: none;
}

.category-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.category-tab:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.category-tab.active {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}

.category-tab svg {
  width: 16px;
  height: 16px;
}

/* Grid de Tarjetas de Enlaces */
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.5rem;
}

.link-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  overflow: hidden;
}

.link-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: var(--transition);
}

.link-card:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.link-card:hover::before {
  opacity: 1;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
}

.card-icon-title {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--surface-solid);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  flex-shrink: 0;
  transition: var(--transition);
}

.link-card:hover .icon-wrapper {
  background: var(--accent);
  color: #ffffff;
  border-color: transparent;
  transform: scale(1.06);
}

.icon-wrapper svg {
  width: 22px;
  height: 22px;
}

.card-details h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.card-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.6rem;
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--badge-border);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.card-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  gap: 0.5rem;
}

.category-name {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: capitalize;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.card-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.card-btn:hover {
  background: var(--surface-solid);
  color: var(--accent);
}

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

.open-link-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  transition: var(--transition);
}

.link-card:hover .open-link-indicator {
  color: var(--accent);
  transform: translateX(3px);
}

.open-link-indicator svg {
  width: 14px;
  height: 14px;
}

/* Estado de resultado vacío */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1.5rem;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.empty-state svg {
  width: 50px;
  height: 50px;
  color: var(--text-muted);
}

.empty-state h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.empty-state p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 400px;
}

/* Modal interactivo */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

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

.modal-card {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transform: translateY(20px) scale(0.96);
  transition: var(--transition);
}

.modal-overlay.active .modal-card {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.modal-header h2 {
  font-size: 1.35rem;
  font-weight: 700;
}

.close-modal-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.close-modal-btn:hover {
  background: var(--surface);
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

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

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--border-active);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
}

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

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  background: var(--surface-solid);
  border: 1px solid var(--border-active);
  color: var(--text-primary);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transform: translateX(100px);
  opacity: 0;
  transition: all 0.35 cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
}

/* Footer */
footer {
  margin-top: auto;
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.825rem;
  border-top: 1px solid var(--border);
}

footer p {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

/* Responsividad */
@media (max-width: 640px) {
  .app-container {
    padding: 1.5rem 1rem 3rem 1rem;
  }

  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

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

/* -- Pin — tarjetas fijadas ----------------------------------------------- */
.card-pin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.card-pin svg {
  width: 15px;
  height: 15px;
  stroke: #f59e0b;
  filter: drop-shadow(0 0 4px rgba(245,158,11,0.5));
}

.link-card.is-pinned {
  border-color: rgba(245,158,11,0.28);
}

[data-theme='dark'] .link-card.is-pinned:hover {
  border-color: rgba(245,158,11,0.5);
  box-shadow: 0 8px 28px -4px rgba(0,0,0,0.45), 0 0 18px -4px rgba(245,158,11,0.15);
}

[data-theme='light'] .link-card.is-pinned {
  border-color: rgba(245,158,11,0.4);
}

[data-theme='light'] .link-card.is-pinned:hover {
  border-color: rgba(245,158,11,0.65);
  box-shadow: 0 8px 24px -4px rgba(245,158,11,0.12);
}