/* ================================================================
   SISTEMA DE AFORO VEHICULAR — Design System
   theme.css: variables de tema, layout sidebar, estilos compartidos
   ================================================================ */

/* ── DARK MODE (por defecto) ── */
:root {
  --bg:            #0b1220;
  --card:          #111827;
  --card-alt:      #0f172a;
  --border:        #1f2937;
  --border-strong: #243049;
  --text:          #e5e7eb;
  --muted:         #9ca3af;
  --accent:        #22c55e;
  --accent-dark:   #1ea34b;
  --accent-text:   #00110a;
  --danger:        #ef4444;
  --warn:          #f59e0b;
  --info:          #3b82f6;
  --input-bg:      #0f172a;
  --input-border:  #243049;

  /* Sidebar (siempre oscuro para contraste de navegación) */
  --sb-bg:          #060c17;
  --sb-border:      #0d1829;
  --sb-text:        #c8d4e8;
  --sb-muted:       #4a5a78;
  --sb-hover-bg:    rgba(34, 197, 94, 0.08);
  --sb-hover-text:  #e2eaf6;
  --sb-active-bg:   rgba(34, 197, 94, 0.14);
  --sb-active-text: #22c55e;
  --sb-section:     #2e3f5c;
  --sb-w:           256px;
  --sb-w-col:       64px;

  /* Header */
  --header-bg: rgba(11, 18, 32, 0.96);

  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0,0,0,.35);
  --shadow-md: 0 8px 24px rgba(0,0,0,.40);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.50);

  /* Transiciones */
  --t-fast:   0.15s ease;
  --t-sidebar: 0.24s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── LIGHT MODE ── */
[data-theme="light"] {
  --bg:            #f0f4f8;
  --card:          #ffffff;
  --card-alt:      #f8fafc;
  --border:        #e2e8f0;
  --border-strong: #cbd5e1;
  --text:          #1e293b;
  --muted:         #64748b;
  --accent:        #16a34a;
  --accent-dark:   #15803d;
  --accent-text:   #f0fdf4;
  --danger:        #dc2626;
  --warn:          #d97706;
  --info:          #2563eb;
  --input-bg:      #f8fafc;
  --input-border:  #cbd5e1;

  /* Sidebar en light mode: barra lateral siempre oscura (contraste) */
  --sb-bg:          #1e293b;
  --sb-border:      #273549;
  --sb-text:        #e2e8f0;
  --sb-muted:       #94a3b8;
  --sb-hover-bg:    rgba(255, 255, 255, 0.08);
  --sb-hover-text:  #ffffff;
  --sb-active-bg:   rgba(74, 222, 128, 0.18);
  --sb-active-text: #4ade80;
  --sb-section:     #64748b;

  /* Header */
  --header-bg: rgba(255, 255, 255, 0.96);

  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0,0,0,.08);
  --shadow-md: 0 8px 24px rgba(0,0,0,.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.15);
}

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

/* ── TRANSICIÓN DE TEMA ── */
body,
.main-content,
.card,
header,
.toolbar,
.data-table td,
.data-table th,
input, select, textarea {
  transition:
    background-color var(--t-sidebar),
    border-color var(--t-sidebar),
    color var(--t-sidebar);
}

/* ── APP SHELL (layout principal) ── */
.app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, sans-serif;
}

/* ── SIDEBAR ── */
.sidebar {
  width: var(--sb-w);
  min-height: 100vh;
  background: var(--sb-bg);
  border-right: 1px solid var(--sb-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 300;
  transition: width var(--t-sidebar), transform var(--t-sidebar);
  overflow: hidden;
  box-shadow: 2px 0 16px rgba(0,0,0,.25);
}

.sidebar.collapsed { width: var(--sb-w-col); }

/* — Cabecera del sidebar — */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px 0 16px;
  height: 60px;
  border-bottom: 1px solid var(--sb-border);
  flex-shrink: 0;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  white-space: nowrap;
  text-decoration: none;
}

.sidebar-brand-icon {
  font-size: 20px;
  width: 32px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  opacity: 1;
  transition: opacity var(--t-sidebar);
}

.sidebar-brand-name strong {
  font-size: 14px;
  font-weight: 700;
  color: var(--sb-text);
  letter-spacing: 0.1px;
}

.sidebar-brand-name span {
  font-size: 10px;
  font-weight: 500;
  color: var(--sb-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.sidebar.collapsed .sidebar-brand-name { opacity: 0; width: 0; }

/* — Botón colapsar — */
.sidebar-toggle {
  background: none;
  border: none;
  color: var(--sb-muted);
  cursor: pointer;
  padding: 7px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--t-fast), color var(--t-fast);
}

.sidebar-toggle:hover {
  background: var(--sb-hover-bg);
  color: var(--sb-text);
}

.sidebar-toggle svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform var(--t-sidebar);
}

.sidebar.collapsed .sidebar-toggle svg { transform: rotate(180deg); }

/* — Info de usuario — */
.sidebar-user {
  padding: 12px 16px;
  border-bottom: 1px solid var(--sb-border);
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-user-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-text);
  flex-shrink: 0;
  text-transform: uppercase;
}

.sidebar-user-meta {
  overflow: hidden;
  opacity: 1;
  transition: opacity var(--t-sidebar);
}

.sidebar.collapsed .sidebar-user-meta { opacity: 0; width: 0; }

.sidebar-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--sb-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

/* — Project Switcher — */
.sidebar-project {
  padding: 8px 12px;
  border-bottom: 1px solid var(--sb-border);
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-project-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 8px;
  padding: 7px 10px;
  color: var(--sb-text);
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  transition: all var(--t-fast);
}

.sidebar-project-btn:hover {
  background: var(--sb-hover-bg);
  border-color: rgba(34,197,94,.3);
}

.sidebar-project-icon { font-size: 13px; flex-shrink: 0; }

.sidebar-project-text {
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 1;
  transition: opacity var(--t-sidebar);
}

.sidebar.collapsed .sidebar-project-text { opacity: 0; width: 0; }

/* ── NAVEGACIÓN DEL SIDEBAR ── */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 0 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--sb-border) transparent;
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb {
  background: var(--sb-border);
  border-radius: 2px;
}

/* — Etiqueta de sección — */
.sb-section-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--sb-section);
  padding: 14px 18px 5px;
  white-space: nowrap;
  overflow: hidden;
  opacity: 1;
  transition: opacity var(--t-sidebar);
  user-select: none;
}

.sidebar.collapsed .sb-section-label { opacity: 0; }

/* — Ítem de navegación — */
.sb-item {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 9px 16px;
  background: transparent;
  border: none;
  border-left: 3px solid transparent;
  color: var(--sb-text);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  position: relative;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.sb-item:hover {
  background: var(--sb-hover-bg);
  color: var(--sb-hover-text);
  border-left-color: rgba(34,197,94,.35);
}

.sb-item.active {
  background: var(--sb-active-bg);
  color: var(--sb-active-text);
  border-left-color: var(--accent);
  font-weight: 600;
}

.sb-icon {
  font-size: 17px;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
  line-height: 1;
}

.sb-text {
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 1;
  transition: opacity var(--t-sidebar);
}

.sidebar.collapsed .sb-text { opacity: 0; width: 0; }

/* Tooltip en modo colapsado */
.sidebar.collapsed .sb-item { justify-content: center; padding: 9px; }

.sidebar.collapsed .sb-item::after {
  content: attr(data-tip);
  display: none;
  position: absolute;
  left: calc(var(--sb-w-col) + 8px);
  top: 50%;
  transform: translateY(-50%);
  background: #1e293b;
  color: #e2e8f0;
  padding: 5px 11px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  z-index: 400;
  box-shadow: var(--shadow-md);
  pointer-events: none;
}

.sidebar.collapsed .sb-item:hover::after { display: block; }

/* — Divisor — */
.sb-divider {
  height: 1px;
  background: var(--sb-border);
  margin: 6px 14px;
}

/* — Dropdown (Reportes) — */
.sb-dropdown { position: relative; }

.sb-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 9px 16px;
  background: transparent;
  border: none;
  border-left: 3px solid transparent;
  color: var(--sb-text);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.sb-dropdown-toggle:hover {
  background: var(--sb-hover-bg);
  color: var(--sb-hover-text);
  border-left-color: rgba(34,197,94,.35);
}

.sb-dropdown-arrow {
  margin-left: auto;
  font-size: 10px;
  opacity: 1;
  flex-shrink: 0;
  transition: transform var(--t-sidebar), opacity var(--t-sidebar);
}

.sidebar.collapsed .sb-dropdown-arrow { opacity: 0; }

.sb-dropdown.open .sb-dropdown-arrow { transform: rotate(90deg); }

.sb-dropdown-children {
  display: none;
  background: rgba(0,0,0,.18);
}

.sb-dropdown.open .sb-dropdown-children { display: block; }

.sb-dropdown-children .sb-item {
  padding-left: 50px;
  font-size: 13px;
}

.sidebar.collapsed .sb-dropdown-toggle { justify-content: center; padding: 9px; }
.sidebar.collapsed .sb-dropdown-children .sb-item {
  padding-left: 9px;
  justify-content: center;
}

/* ── PIE DEL SIDEBAR ── */
.sidebar-footer {
  padding: 10px 12px;
  border-top: 1px solid var(--sb-border);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar.collapsed .sidebar-footer { align-items: center; }

/* — Toggle de tema — */
.btn-theme {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 8px 10px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 8px;
  color: var(--sb-text);
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  transition: all var(--t-fast);
}

.btn-theme:hover {
  background: var(--sb-hover-bg);
  border-color: rgba(34,197,94,.3);
}

.btn-theme-icon { font-size: 15px; flex-shrink: 0; width: 18px; text-align: center; }

.btn-theme-text {
  opacity: 1;
  transition: opacity var(--t-sidebar);
  overflow: hidden;
}

.sidebar.collapsed .btn-theme-text { opacity: 0; width: 0; }
.sidebar.collapsed .btn-theme { justify-content: center; padding: 8px; }

/* — Botón logout — */
.btn-logout-sb {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 8px 10px;
  background: rgba(239,68,68,.05);
  border: 1px solid rgba(239,68,68,.14);
  border-radius: 8px;
  color: #fc8181;
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  transition: all var(--t-fast);
}

.btn-logout-sb:hover {
  background: rgba(239,68,68,.12);
  border-color: rgba(239,68,68,.3);
  color: #f87171;
}

.btn-logout-sb-icon { font-size: 15px; flex-shrink: 0; width: 18px; text-align: center; }

.btn-logout-sb-text {
  opacity: 1;
  transition: opacity var(--t-sidebar);
  overflow: hidden;
}

.sidebar.collapsed .btn-logout-sb-text { opacity: 0; width: 0; }
.sidebar.collapsed .btn-logout-sb { justify-content: center; padding: 8px; }

/* ── ÁREA PRINCIPAL ── */
.main-content {
  margin-left: var(--sb-w);
  flex: 1;
  min-width: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  transition: margin-left var(--t-sidebar), background var(--t-sidebar);
}

.sidebar.collapsed + .sidebar-overlay + .main-content,
body.sb-collapsed .main-content {
  margin-left: var(--sb-w-col);
}

/* ── OVERLAY MOBILE ── */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  background: rgba(0,0,0,.55);
  z-index: 299;
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity var(--t-sidebar);
}

.sidebar-overlay.active {
  display: block;
  opacity: 1;
}

/* ── TOPBAR (barra móvil) ── */
.topbar {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 200;
}

.topbar-brand {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  flex: 1;
}

.hamburger {
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast);
}

.hamburger:hover { background: var(--border); }

.hamburger svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: var(--sb-w) !important;
    box-shadow: none;
  }

  .sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .topbar { display: flex; }

  .main-content { margin-left: 0 !important; }

  /* Restablecer colapso en mobile */
  .sidebar.collapsed .sb-text,
  .sidebar.collapsed .sb-section-label,
  .sidebar.collapsed .sb-dropdown-arrow,
  .sidebar.collapsed .sidebar-brand-name,
  .sidebar.collapsed .sidebar-user-meta,
  .sidebar.collapsed .sidebar-project-text,
  .sidebar.collapsed .btn-theme-text,
  .sidebar.collapsed .btn-logout-sb-text { opacity: 1; width: auto; }

  .sidebar.collapsed .sb-item,
  .sidebar.collapsed .sb-dropdown-toggle { justify-content: flex-start; padding: 9px 16px; }
  .sidebar.collapsed .btn-theme,
  .sidebar.collapsed .btn-logout-sb { justify-content: flex-start; padding: 8px 10px; }
  .sidebar.collapsed .sb-item::after { display: none !important; }
}

/* ── SCROLLBAR GLOBAL ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ── FADE IN ── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fadeIn 0.2s ease; }