/* ============================================================
   GestorIA — main.css
   Variables globales, reset, tipografía, utilidades, dark/light mode
   gestorai.pro · Ecosistema MolvicStudios
   ============================================================ */

/* ---- Google Fonts (Inter + JetBrains Mono) se cargan via <link> en HTML ---- */

/* ======================
   CUSTOM PROPERTIES
   ====================== */
:root {
  /* Colores principales */
  --color-primary:       #1D9E75;
  --color-primary-dark:  #0F6E56;
  --color-primary-light: #E1F5EE;
  --color-accent:        #185FA5;
  --color-accent-light:  #E6F1FB;

  /* Texto */
  --color-text:          #1a1a1a;
  --color-text-muted:    #6b6b6b;

  /* Fondos */
  --color-bg:            #ffffff;
  --color-bg-secondary:  #f8f9fa;

  /* Bordes */
  --color-border:        #e5e7eb;

  /* Estados */
  --color-danger:        #E24B4A;
  --color-warning:       #BA7517;
  --color-success:       #1D9E75;

  /* Radios */
  --radius-sm:           6px;
  --radius-md:           10px;
  --radius-lg:           16px;

  /* Sombras */
  --shadow-sm:           0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md:           0 4px 12px rgba(0, 0, 0, 0.10);

  /* Tipografía */
  --font-main:           'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:           'JetBrains Mono', ui-monospace, monospace;

  /* Sidebar */
  --sidebar-width:       260px;

  /* Transiciones */
  --transition-fast:     150ms ease;
  --transition-normal:   250ms ease;
}

/* ======================
   DARK MODE
   ====================== */
[data-theme="dark"] {
  --color-text:          #e8e8e8;
  --color-text-muted:    #9ca3af;
  --color-bg:            #0f0f0f;
  --color-bg-secondary:  #1a1a1a;
  --color-border:        #2d2d2d;
  --color-primary-light: #0d3d2e;
  --color-accent-light:  #0e2a45;
  --shadow-sm:           0 1px 3px rgba(0, 0, 0, 0.25);
  --shadow-md:           0 4px 12px rgba(0, 0, 0, 0.35);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  font-weight: 600;
}

/* ======================
   TIPOGRAFÍA
   ====================== */
h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p { margin-bottom: 0.75rem; }
p:last-child { margin-bottom: 0; }

small, .text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.font-mono { font-family: var(--font-mono); }

/* ======================
   BOTONES
   ====================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

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

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

.btn-secondary {
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

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

.btn-accent:hover {
  background-color: #12487e;
}

.btn-danger {
  background-color: var(--color-danger);
  color: #fff;
}

.btn-danger:hover {
  background-color: #c33a39;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

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

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1.0625rem;
}

.btn-block {
  width: 100%;
}

/* ======================
   FORMULARIOS
   ====================== */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
  color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.9375rem;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(29, 158, 117, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-danger);
}

.form-error {
  font-size: 0.8125rem;
  color: var(--color-danger);
  margin-top: 0.25rem;
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.form-textarea {
  resize: vertical;
  min-height: 5rem;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 1.125rem;
  height: 1.125rem;
  accent-color: var(--color-primary);
}

/* ======================
   CARDS
   ====================== */
.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
}

/* ======================
   BADGES
   ====================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge-accent {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

.badge-danger {
  background-color: #fce8e8;
  color: var(--color-danger);
}

[data-theme="dark"] .badge-danger {
  background-color: #3d1a1a;
}

.badge-warning {
  background-color: #fef3e2;
  color: var(--color-warning);
}

[data-theme="dark"] .badge-warning {
  background-color: #3d2e0e;
}

/* ======================
   ALERTAS / TOASTS
   ====================== */
.alert {
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
}

.alert-success {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-primary);
}

.alert-danger {
  background-color: #fce8e8;
  color: #991b1b;
  border: 1px solid var(--color-danger);
}

[data-theme="dark"] .alert-danger {
  background-color: #3d1a1a;
  color: #fca5a5;
}

.alert-warning {
  background-color: #fef3e2;
  color: #92400e;
  border: 1px solid var(--color-warning);
}

[data-theme="dark"] .alert-warning {
  background-color: #3d2e0e;
  color: #fcd34d;
}

.alert-info {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

/* Toast (notificación efímera) */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  font-size: 0.9375rem;
  animation: toastIn 0.3s ease forwards;
  max-width: 380px;
}

.toast.toast-out {
  animation: toastOut 0.25s ease forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(30px); }
}

/* ======================
   SPINNERS / LOADING
   ====================== */
.spinner {
  width: 1.25rem;
  height: 1.25rem;
  border: 2.5px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.spinner-lg {
  width: 2.5rem;
  height: 2.5rem;
}

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

.loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.7);
  border-radius: inherit;
  z-index: 10;
}

[data-theme="dark"] .loading-overlay {
  background-color: rgba(15, 15, 15, 0.7);
}

/* ======================
   MODAL
   ====================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.45);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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

.modal {
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

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

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

.modal-body {
  padding: 1.5rem;
}

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

.modal-close {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: background-color var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--color-bg-secondary);
}

/* ======================
   TABLAS
   ====================== */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  font-size: 0.9375rem;
}

.table th,
.table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background-color: var(--color-bg-secondary);
}

.table tbody tr:hover {
  background-color: var(--color-bg-secondary);
}

/* ======================
   UTILIDADES — Layout
   ====================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 860px;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-xs  { gap: 0.25rem; }
.gap-sm  { gap: 0.5rem; }
.gap-md  { gap: 1rem; }
.gap-lg  { gap: 1.5rem; }
.gap-xl  { gap: 2rem; }

.grid {
  display: grid;
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* ======================
   UTILIDADES — Espaciado
   ====================== */
.mt-sm { margin-top: 0.5rem; }
.mt-md { margin-top: 1rem; }
.mt-lg { margin-top: 1.5rem; }
.mt-xl { margin-top: 2rem; }
.mb-sm { margin-bottom: 0.5rem; }
.mb-md { margin-bottom: 1rem; }
.mb-lg { margin-bottom: 1.5rem; }
.mb-xl { margin-bottom: 2rem; }
.p-sm  { padding: 0.5rem; }
.p-md  { padding: 1rem; }
.p-lg  { padding: 1.5rem; }

/* ======================
   UTILIDADES — Misc
   ====================== */
.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 1.5rem 0;
}

/* ======================
   TOGGLE DARK MODE
   ====================== */
.theme-toggle {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: background-color var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--color-bg-secondary);
}

/* Icono de sol/luna via SVG inline en HTML */
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  width: 1.25rem;
  height: 1.25rem;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

:root:not([data-theme="dark"]) .theme-toggle .icon-moon,
[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

/* ======================
   RESPONSIVE
   ====================== */
@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.375rem; }
  h3 { font-size: 1.125rem; }

  .container {
    padding: 0 1rem;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .hide-mobile {
    display: none !important;
  }
}

@media (min-width: 769px) {
  .hide-desktop {
    display: none !important;
  }
}