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

:root {
  /* ── Dark palette (inspirado en :5000) ── */
  --bg:       #0d1117;
  --bg-card:  #161b22;
  --bg-card2: #1c2128;
  --border:   #21262d;
  --border-l: #30363d;

  --blue:     #3b82f6;
  --blue-l:   rgba(59,130,246,0.18);
  --green:    #22c55e;
  --green-l:  rgba(34,197,94,0.18);
  --yellow:   #f59e0b;
  --yellow-l: rgba(245,158,11,0.18);
  --red:      #ef4444;
  --red-l:    rgba(239,68,68,0.18);
  --purple:   #a855f7;
  --cyan:     #22d3ee;

  --text:     #e6edf3;
  --text-2:   #8b949e;
  --text-3:   #6e7681;

  /* legado — usado en algunos sitios puntuales */
  --gray-50:  #0d1117;
  --gray-100: #161b22;
  --gray-200: #21262d;
  --gray-400: #8b949e;
  --gray-600: #6e7681;
  --gray-800: #e6edf3;

  --sidebar-w: 220px;
  --radius: 10px;
  --shadow: 0 1px 4px rgba(0,0,0,.45);
  --shadow-md: 0 4px 18px rgba(0,0,0,.6);
}

/* ── Light theme override ── */
[data-theme="light"] {
  --bg:       #f8fafc;
  --bg-card:  #ffffff;
  --bg-card2: #f1f5f9;
  --border:   #e2e8f0;
  --border-l: #e2e8f0;

  --blue:     #2563eb;
  --blue-l:   rgba(37,99,235,0.12);
  --green:    #16a34a;
  --green-l:  rgba(22,163,74,0.12);
  --yellow:   #d97706;
  --yellow-l: rgba(217,119,6,0.12);
  --red:      #dc2626;
  --red-l:    rgba(220,38,38,0.12);
  --purple:   #7c3aed;
  --cyan:     #0891b2;

  --text:     #1e293b;
  --text-2:   #475569;
  --text-3:   #94a3b8;

  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-800: #1e293b;

  --shadow:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.10);
}

/* Light: login gradient */
[data-theme="light"] .login-page {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #0ea5e9 100%);
}
[data-theme="light"] .login-card { background: #fff; }
[data-theme="light"] .form-group input { background: #fff; }

/* Light: sidebar stays dark */
[data-theme="light"] .sidebar        { background: #1e293b; border-right-color: #334155; }
[data-theme="light"] .sidebar-logo   { border-bottom-color: rgba(255,255,255,.08); }
[data-theme="light"] .sidebar-footer { border-top-color: rgba(255,255,255,.08); }
[data-theme="light"] .sidebar-contract { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.1); }

/* Light: header badge */
[data-theme="light"] .header-badge { background: #dbeafe; border-color: #bfdbfe; }

/* Theme toggle button */
.btn-theme {
  background: none;
  border: 1px solid rgba(255,255,255,.15);
  color: #94a3b8;
  border-radius: 6px;
  padding: 5px 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 600;
  transition: all .15s;
  white-space: nowrap;
}
.btn-theme:hover { color: #fff; border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.07); }

html, body {
  height: 100%;
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
}

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

/* ── Flash messages ── */
.flash-container { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); z-index: 99999; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.flash { padding: 10px 20px; border-radius: var(--radius); font-size: 13px; font-weight: 500; box-shadow: var(--shadow-md); white-space: nowrap; pointer-events: auto; }
.flash-error   { background: var(--red-l);    color: var(--red);    border-left: 3px solid var(--red); }
.flash-warning { background: var(--yellow-l); color: var(--yellow); border-left: 3px solid var(--yellow); }
.flash-success { background: var(--green-l);  color: var(--green);  border-left: 3px solid var(--green); }

/* ════════════════════════
   LOGIN
════════════════════════ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0d1117 0%, #1a2744 50%, #0d1117 100%);
  padding: 24px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-l);
  border-radius: 16px;
  padding: 40px 36px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}

.login-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; }
.login-brand { font-size: 18px; font-weight: 700; color: var(--text); }

.login-title    { font-size: 22px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.login-subtitle { font-size: 13px; color: var(--text-2); margin-bottom: 28px; }

.login-form { display: flex; flex-direction: column; gap: 18px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-2); }
.form-group input {
  border: 1.5px solid var(--border-l);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  color: var(--text);
  background: var(--bg-card2);
  width: 100%;
}
.form-group input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,.2);
}

.input-pass-wrap { position: relative; }
.input-pass-wrap input { padding-right: 42px; }
.toggle-pass {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; color: var(--text-3); padding: 4px;
}
.toggle-pass:hover { color: var(--blue); }

.btn-login {
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .1s;
  margin-top: 4px;
}
.btn-login:hover  { background: #2563eb; }
.btn-login:active { transform: scale(.98); }

.login-footer { font-size: 12px; color: var(--text-3); text-align: center; margin-top: 22px; }

/* ════════════════════════
   APP LAYOUT
════════════════════════ */
.app-layout { display: flex; min-height: 100vh; }

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  background: #0a0d12;
  border-right: 1px solid var(--border);
  color: var(--text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid var(--border);
}

.sidebar-nav { flex: 1; padding: 12px 8px; display: flex; flex-direction: column; gap: 2px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: #94a3b8;          /* hardcoded: sidebar siempre oscuro */
  transition: background .15s, color .15s;
}
.nav-item:hover  { background: rgba(255,255,255,.07); color: #e2e8f0; }
.nav-item.active { background: var(--blue); color: #fff; }

.sidebar-footer {
  padding: 14px 12px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 32px; height: 32px;
  background: var(--blue);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: #fff;
  flex-shrink: 0;
}

.user-details { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.user-name    { font-size: 12.5px; font-weight: 600; color: #e2e8f0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-empresa { font-size: 11px; color: #64748b; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.btn-logout {
  color: #64748b; padding: 6px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  transition: color .15s, background .15s;
}
.btn-logout:hover { color: #ef4444; background: rgba(239,68,68,.15); }

/* ── Main ── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
  background: var(--bg);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  /* Sticky desactivado temporalmente (2026-06-11): bajo investigación,
     coincidía con botones de año sin responder en los headers */
}
.page-title { font-size: 20px; font-weight: 700; color: var(--text); }
.page-sub   { font-size: 12.5px; color: var(--text-2); margin-top: 2px; }

.header-badge {
  background: var(--blue-l);
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .05em;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid rgba(59,130,246,.25);
}

/* ── KPI Cards ── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
/* KPIs de curva de carga: siempre 4 columnas en escritorio */
.curva-kpi-grid { grid-template-columns: repeat(4, 1fr); }

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  box-shadow: var(--shadow);
  border-top: 3px solid transparent;
}
.kpi-blue   { border-top-color: var(--blue);   }
.kpi-green  { border-top-color: var(--green);  }
.kpi-yellow { border-top-color: var(--yellow); }
.kpi-red    { border-top-color: var(--red);    }

.kpi-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.kpi-blue   .kpi-icon { background: var(--blue-l);   color: var(--blue);   }
.kpi-green  .kpi-icon { background: var(--green-l);  color: var(--green);  }
.kpi-yellow .kpi-icon { background: var(--yellow-l); color: var(--yellow); }
.kpi-red    .kpi-icon { background: var(--red-l);    color: var(--red);    }

.kpi-body  { display: flex; flex-direction: column; gap: 2px; }
.kpi-label { font-size: 11.5px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .05em; }
.kpi-value { font-size: 22px; font-weight: 700; color: var(--text); line-height: 1.2; }
.kpi-sub   { font-size: 11.5px; color: var(--text-2); }

/* ── Charts ── */
.charts-row { display: grid; grid-template-columns: 1fr 320px; gap: 16px; }
.charts-row-costos { grid-template-columns: 1fr 300px; }
.charts-row-igual  { grid-template-columns: 1fr 1fr; }   /* dos columnas iguales */

/* Lista de conclusiones de auditoría */
.aud-lista { list-style: none; padding: 0; margin: 8px 0 0; color: var(--text-2); }

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.chart-title { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 14px; }
.chart-wrap  { height: 240px; position: relative; }

/* ── Table ── */
.table-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 12px;
  gap: 12px;
  flex-wrap: wrap;
}

.table-search {
  border: 1.5px solid var(--border-l);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 13px;
  outline: none;
  width: 220px;
  background: var(--bg-card2);
  color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
.table-search:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(59,130,246,.15); }
.table-search::placeholder { color: var(--text-3); }

.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  background: var(--bg-card2);
  color: var(--text-2);
  font-weight: 600;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
thead th:hover { background: var(--border); }
thead th.num { text-align: right; }

tbody tr { border-bottom: 1px solid var(--border); transition: background .1s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-card2); }
tbody td { padding: 10px 16px; color: var(--text); white-space: nowrap; }
tbody td.num  { text-align: right; font-variant-numeric: tabular-nums; }
tbody td.mono { font-family: monospace; font-size: 12px; color: var(--text-2); }

/* ── Badges ── */
.badge { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 11.5px; font-weight: 600; }
.badge-pagado    { background: var(--green-l);  color: var(--green);  }
.badge-pendiente { background: var(--yellow-l); color: var(--yellow); }
.badge-vencido   { background: var(--red-l);    color: var(--red);    }

/* ════════════════════════
   DASHBOARD ENERGÍA — extras
════════════════════════ */

/* Tab panels */
.tab-panel        { display: none; flex-direction: column; gap: 20px; }
.tab-panel.active { display: flex; }

/* Charts column */
.charts-col { display: flex; flex-direction: column; gap: 16px; }

/* Chart header row */
.chart-header { display: flex; align-items: center; justify-content: space-between;
                flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.chart-sub    { font-size: 11.5px; color: var(--text-3); }
.chart-legend-custom { display: flex; align-items: center; font-size: 12px; color: var(--text-2); }
.cl-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 5px; }

/* Year filter */
.year-filter { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.yf-label    { font-size: 12px; color: var(--text-2); font-weight: 600; margin-right: 2px; }
.yf-btn {
  border: 1.5px solid var(--border-l);
  background: var(--bg-card2);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  transition: all .15s;
}
.yf-btn:hover  { border-color: var(--blue); color: var(--blue); }
.yf-btn.active { background: var(--blue); border-color: var(--blue); color: #fff; }

/* Toggle group */
.toggle-group { display: flex; border: 1.5px solid var(--border-l); border-radius: 8px; overflow: hidden; }
.tg-btn {
  border: none;
  background: var(--bg-card2);
  padding: 6px 14px;
  font-size: 12px; font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  transition: background .15s, color .15s;
  display: inline-flex; align-items: center;
}
.tg-btn + .tg-btn { border-left: 1.5px solid var(--border-l); }
.tg-btn.active    { background: var(--blue); color: #fff; }
.tg-btn:hover:not(.active) { background: var(--border); color: var(--text); }

/* Stats row */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.stat-box  {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 4px;
}
.stat-label { font-size: 11px; font-weight: 600; color: var(--text-3);
              text-transform: uppercase; letter-spacing: .05em; }
.stat-val   { font-size: 16px; font-weight: 700; color: var(--text); }

/* Curva controls */
.curva-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sel-input {
  border: 1.5px solid var(--border-l);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 13px;
  outline: none;
  background: var(--bg-card2);
  color: var(--text);
  cursor: pointer;
  transition: border-color .15s;
}
.sel-input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(59,130,246,.15); }
.sel-input option { background: var(--bg-card2); color: var(--text); }

/* Loading msg */
.loading-msg {
  text-align: center; padding: 24px; font-size: 13px; color: var(--text-3); font-style: italic;
}

/* Sidebar contract info */
.sidebar-contract {
  margin: 0 8px; padding: 12px; border-radius: 8px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  flex-shrink: 0;
}
/* sidebar siempre oscuro → colores hardcodeados */
.sc-label { font-size: 10px; font-weight: 600; color: #64748b;
            text-transform: uppercase; letter-spacing: .06em; }
.sc-val   { font-size: 12px; color: #e2e8f0; margin-top: 2px; line-height: 1.35; }
.sc-val.mono { font-family: monospace; font-size: 10.5px; word-break: break-all; }

.mono { font-family: monospace; }

/* ════════════════════════
   MOBILE TOPBAR
════════════════════════ */
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 52px;
  background: #0a0d12;
  border-bottom: 1px solid var(--border);
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  z-index: 200;
}

.hamburger {
  background: none;
  border: none;
  cursor: pointer;
  color: #94a3b8;
  padding: 6px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hamburger:hover { color: #fff; }

.topbar-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 99;
}
.sidebar-overlay.visible { display: block; }

/* Botón X para cerrar sidebar — solo visible en móvil */
.sidebar-close {
  display: none;
  position: absolute;
  top: 12px; right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  color: #64748b;
  padding: 4px;
  border-radius: 6px;
  line-height: 0;
}
.sidebar-close:hover { color: #fff; background: rgba(255,255,255,.1); }

@media (max-width: 680px) {
  .sidebar-close { display: block; }
}

/* ════════════════════════
   RESPONSIVE BREAKPOINTS
════════════════════════ */
@media (max-width: 900px) {
  .charts-row { grid-template-columns: 1fr !important; }
  .stats-row  { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  :root { --sidebar-w: 0px; }

  /* Sidebar: fixed fuera del flujo, desliza al abrirse */
  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 220px;
    transform: translateX(-220px);
    transition: transform .25s;
    z-index: 200;
    overflow-y: auto;
  }
  .sidebar.open { transform: translateX(0); }

  /* Topbar móvil visible */
  .mobile-topbar { display: flex; }

  /* Contenido principal */
  .main-content {
    margin-left: 0;
    padding: 16px;
    padding-top: calc(52px + 16px);
  }

  /* KPIs: 2 columnas en móvil */
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .curva-kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-value { font-size: 18px; }
  .kpi-sub   { font-size: 11px; }

  /* Buscador tabla: ancho completo */
  .table-search { width: 100%; }

  /* Headers con botones: apilan verticalmente */
  .page-header { flex-direction: column; align-items: flex-start; }
  .curva-controls { gap: 6px; flex-wrap: wrap; }

  /* Barra de instalaciones sticky: ajuste padding para no tapar contenido */
  #instFilterBar { padding: 8px 12px; font-size: 11px; top: 52px !important; left: 0 !important; }
  #instFilterBar .yf-btn { font-size: 11px; padding: 3px 8px; }
  .main-content { padding-top: calc(52px + 8px); }

  /* Botones toggle curva: más compactos */
  .toggle-group .tg-btn { padding: 4px 8px; font-size: 11px; }
  .sel-input { font-size: 12px; padding: 4px 8px; }

  /* Form admin */
  .form-grid { grid-template-columns: 1fr; }
  .form-section { padding: 20px 16px; }

  /* Clientes grid: 1 columna */
  .clientes-grid { grid-template-columns: 1fr; }

  /* Tab Contrato: tablas con scroll horizontal, gráfico más alto */
  #tab-contrato .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  #tab-contrato .chart-wrap { height: 220px !important; }
  #tab-contrato .kpi-grid   { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 420px) {
  /* En pantallas muy pequeñas: 1 columna */
  .kpi-grid   { grid-template-columns: 1fr; }
  .stats-row  { grid-template-columns: 1fr; }
  .kpi-value  { font-size: 20px; }
}

/* ════════════════════════
   ADMIN PANEL
════════════════════════ */
.btn-crear {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--blue); color: #fff; border-radius: 8px;
  padding: 9px 18px; font-size: 13px; font-weight: 600;
  transition: background .15s;
}
.btn-crear:hover { background: #2563eb; }

.btn-back {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg-card2); color: var(--text-2); border-radius: 8px;
  padding: 9px 16px; font-size: 13px; font-weight: 500;
  border: 1px solid var(--border-l); transition: background .15s;
}
.btn-back:hover { background: var(--border); color: var(--text); }

.row-inactive td { opacity: .4; }

.btn-toggle {
  border: none; cursor: pointer; border-radius: 6px;
  padding: 4px 10px; font-size: 12px; font-weight: 600; transition: all .15s;
}
.btn-toggle-off { background: var(--red-l);   color: var(--red);   }
.btn-toggle-on  { background: var(--green-l); color: var(--green); }
.btn-toggle:hover { filter: brightness(1.15); }

.badge-admin { background: rgba(168,85,247,0.18); color: var(--purple); }

/* ── Crear usuario form ── */
.form-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 28px; margin-bottom: 28px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-2); }
.form-group input,
.form-group select {
  border: 1px solid var(--border-l);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--text);
  background: var(--bg-card2);
  outline: none;
  transition: border-color .15s;
}
.form-group input:focus,
.form-group select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(59,130,246,.15); }

.req { color: var(--red); margin-left: 2px; }
.form-hint { font-size: 11.5px; color: var(--text-3); }

.btn-generar {
  background: var(--bg-card2); border: 1px solid var(--border-l);
  border-radius: 0 7px 7px 0; padding: 0 10px; cursor: pointer;
  color: var(--text-2); display: flex; align-items: center;
  transition: background .15s;
}
.btn-generar:hover { background: var(--border); color: var(--text); }

.form-options { display: flex; flex-direction: column; gap: 14px; margin-bottom: 24px; }

.checkbox-label {
  display: inline-flex; align-items: center; gap: 10px;
  cursor: pointer; font-size: 14px; color: var(--text);
}
.checkbox-label input[type="checkbox"] { display: none; }
.checkbox-box {
  width: 18px; height: 18px;
  border: 2px solid var(--border-l);
  border-radius: 5px; flex-shrink: 0;
  display: grid; place-items: center;
  transition: all .15s;
  background: var(--bg-card2);
}
.checkbox-label input:checked + .checkbox-box { background: var(--blue); border-color: var(--blue); }
.checkbox-label input:checked + .checkbox-box::after {
  content: ""; width: 10px; height: 6px;
  border-left: 2px solid #fff; border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
}

.mail-preview {
  background: var(--blue-l);
  border: 1px solid rgba(59,130,246,.3);
  border-radius: 8px;
  padding: 14px 18px; margin-bottom: 28px; font-size: 13px;
}
.mp-header { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--blue); margin-bottom: 6px; }
.mp-body   { color: var(--text-2); line-height: 1.5; }

.form-actions {
  display: flex; justify-content: flex-end; gap: 12px;
  padding-top: 20px; border-top: 1px solid var(--border);
}

.btn-primary {
  background: var(--blue); color: #fff; border: none; cursor: pointer;
  border-radius: 8px; padding: 10px 24px; font-size: 14px; font-weight: 600;
  transition: background .15s;
}
.btn-primary:hover { background: #2563eb; }

.btn-secondary {
  background: var(--bg-card2); color: var(--text-2);
  border: 1px solid var(--border-l); cursor: pointer; border-radius: 8px;
  padding: 10px 20px; font-size: 14px; font-weight: 500;
  transition: background .15s; display: inline-flex; align-items: center;
}
.btn-secondary:hover { background: var(--border); color: var(--text); }

@media (max-width: 680px) {
  .form-grid { grid-template-columns: 1fr; }
}