/* =========================================================
   Luna de Plata — Global Design System
   ========================================================= */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

/* --- Variables --- */
:root {
  /* Colores base */
  --color-bg:           #f9f9f8;
  --color-surface:      #ffffff;
  --color-surface-2:    #f4f4f2;
  --color-border:       #e8e8e5;
  --color-border-hover: #d0d0cc;

  /* Texto */
  --color-text-primary:   #111110;
  --color-text-secondary: #6b6b68;
  --color-text-muted:     #a8a8a5;

  /* Dorado — acento principal */
  --color-gold:         #c8a96e;
  --color-gold-light:   #e8d5a8;
  --color-gold-dark:    #a08040;
  --color-gold-bg:      #faf6ee;

  /* Estados */
  --color-success:      #2d7a4f;
  --color-success-bg:   #edf7f1;
  --color-warning:      #b45309;
  --color-warning-bg:   #fff8ee;
  --color-danger:       #b91c1c;
  --color-danger-bg:    #fef2f2;
  --color-info:         #5b5bd6;
  --color-info-bg:      #f1f0fc;

  /* Sidebar */
  --sidebar-width:      240px;
  --sidebar-bg:         #111110;
  --sidebar-text:       #c8c8c4;
  --sidebar-text-hover: #f9f9f8;
  --sidebar-accent:     #c8a96e;

  /* Tipografía */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  /* Espaciado */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;

  /* Radios */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.14);
  --shadow-gold: 0 4px 20px rgba(200,169,110,0.20);

  /* Transiciones */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;

  /* Header */
  --header-height: 60px;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: var(--font-body);
  font-size: 14px;
}

ul, ol {
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
}

/* --- Layout principal --- */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
  transition: transform var(--transition-normal);
}

.sidebar-logo {
  padding: var(--space-6) var(--space-6) var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sidebar-logo-mark {
  font-family: var(--font-display);
  font-size: 22px;
  color: #ffffff;
  line-height: 1.2;
  letter-spacing: -0.3px;
}

.sidebar-logo-img {
  display: block;
  width: 168px;
  height: auto;
}

.sidebar-logo-sub {
  font-size: 11px;
  font-weight: 300;
  color: var(--sidebar-accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 6px;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4) var(--space-3);
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.25);
  padding: var(--space-4) var(--space-3) var(--space-2);
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--sidebar-text);
  font-size: 13.5px;
  font-weight: 400;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: 2px;
  position: relative;
}

.sidebar-nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: var(--sidebar-text-hover);
}

.sidebar-nav-item.active {
  background: rgba(200,169,110,0.12);
  color: var(--sidebar-accent);
  font-weight: 500;
}

.sidebar-nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 16px;
  background: var(--sidebar-accent);
  border-radius: 0 2px 2px 0;
}

.sidebar-nav-item.disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}

.sidebar-nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-nav-item.active .sidebar-nav-icon,
.sidebar-nav-item:hover .sidebar-nav-icon {
  opacity: 1;
}

.sidebar-badge {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  background: rgba(200,169,110,0.2);
  color: var(--sidebar-accent);
}

.sidebar-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.sidebar-footer-text {
  font-size: 11px;
  color: rgba(255,255,255,0.2);
  text-align: center;
}

.sidebar-user {
  margin-bottom: var(--space-3);
}

.sidebar-user-name {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: 11px;
  color: var(--sidebar-accent);
  margin-top: 2px;
}

.sidebar-logout-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.45);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
  border: none;
  background: none;
}

.sidebar-logout-btn:hover {
  color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.06);
}

/* --- Main content --- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* --- Header --- */
.page-header {
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-8);
  position: sticky;
  top: 0;
  z-index: 50;
  gap: var(--space-4);
}

.page-header-title {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--color-text-primary);
  letter-spacing: -0.3px;
}

.page-header-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--color-text-muted);
}

.page-header-breadcrumb span {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* --- Página --- */
.page-body {
  flex: 1;
  padding: var(--space-8);
  width: 100%;
}

/* --- Botones --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 500;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background: #2a2a28;
  border-color: #2a2a28;
}

.btn-gold {
  background: var(--color-gold);
  color: #ffffff;
  border-color: var(--color-gold);
}

.btn-gold:hover {
  background: var(--color-gold-dark);
  border-color: var(--color-gold-dark);
  box-shadow: var(--shadow-gold);
}

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

.btn-ghost:hover {
  background: var(--color-surface-2);
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

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

.btn-outline:hover {
  background: var(--color-surface-2);
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

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

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

.btn-sm {
  padding: 5px var(--space-3);
  font-size: 12.5px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

/* --- Formularios --- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-label {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.2px;
}

.form-label.required::after {
  content: ' *';
  color: var(--color-gold);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text-primary);
  font-size: 14px;
  font-family: var(--font-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(200,169,110,0.12);
}

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

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b6b68' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
  cursor: pointer;
}

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

.form-hint {
  font-size: 12px;
  color: var(--color-text-muted);
}

.form-error {
  font-size: 12px;
  color: var(--color-danger);
}

.input-error {
  border-color: var(--color-danger) !important;
  box-shadow: 0 0 0 3px rgba(185,28,28,0.10) !important;
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17,17,16,0.5);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-normal);
}

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

.modal-lg {
  max-width: 800px;
}

.modal-header {
  padding: var(--space-6) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  position: sticky;
  top: 0;
  background: var(--color-surface);
  z-index: 1;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -0.3px;
  color: var(--color-text-primary);
}

.modal-subtitle {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.modal-close {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.modal-close:hover {
  background: var(--color-surface-2);
  color: var(--color-text-primary);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  position: sticky;
  bottom: 0;
  background: var(--color-surface);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* --- Grids de formulario --- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-4);
}

.form-col-full {
  grid-column: 1 / -1;
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-5) 0;
}

.divider-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: var(--space-5) 0 var(--space-4);
}

.divider-label::before,
.divider-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 3px var(--space-2);
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 500;
  line-height: 1;
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
}

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

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

.badge-gold {
  background: var(--color-gold-bg);
  color: var(--color-gold-dark);
}

.badge-neutral {
  background: var(--color-surface-2);
  color: var(--color-text-secondary);
}

.badge-info {
  background: var(--color-info-bg);
  color: var(--color-info);
}

/* --- Empty state --- */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-8);
  color: var(--color-text-muted);
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  opacity: 0.3;
}

.empty-state-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.empty-state-desc {
  font-size: 13px;
  max-width: 280px;
  margin: 0 auto var(--space-5);
}

/* --- Toast --- */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-text-primary);
  color: #ffffff;
  border-radius: var(--radius-lg);
  font-size: 13.5px;
  font-weight: 400;
  box-shadow: var(--shadow-md);
  max-width: 320px;
  animation: toastIn 0.3s ease forwards;
}

.toast.toast-success { background: var(--color-success); }
.toast.toast-danger  { background: var(--color-danger);  }
.toast.toast-gold    { background: var(--color-gold-dark); }

.toast-exit {
  animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(20px); }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border-hover); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* --- Panel de paño (reemplaza modal) --- */
.pano-panel {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 90;
  transform: translateX(100%);
  transition: transform 380ms cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.pano-panel.open {
  transform: translateX(0);
}

.pano-panel-header {
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-8);
  gap: var(--space-4);
  flex-shrink: 0;
}

.pano-panel-back {
  flex-shrink: 0;
}

.pano-panel-title-wrap {
  flex: 1;
  min-width: 0;
}

.pano-panel-breadcrumb {
  font-size: 11.5px;
  color: var(--color-text-muted);
  margin-bottom: 1px;
}

.pano-panel-title {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: -0.3px;
  color: var(--color-text-primary);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pano-panel-info {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-shrink: 0;
}

.pano-panel-info-item {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.pano-panel-info-lbl {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
}

.pano-panel-info-val {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.pano-panel-info-val.gold { color: var(--color-gold-dark); }

.pano-panel-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.pano-panel > form {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.pano-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-8);
}

@media (max-width: 900px) {
  .pano-panel {
    left: 0;
  }
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
  .form-grid,
  .form-grid-3 {
    grid-template-columns: 1fr;
  }
  .form-col-full {
    grid-column: 1;
  }
}