/* ============================================================
   ARCHIVO: assets/css/app.css
   UBICACIÓN: /public_html/xmlsat/assets/css/app.css
   DESCRIPCIÓN: Diseño industrial elegante — Portal SAT e.Firma
   FUENTES: Google Fonts (Bebas Neue, DM Sans, JetBrains Mono)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:wght@300;400;500;600&family=JetBrains+Mono:wght@300;400;500&display=swap');

/* ════════════════════════════════════════════════════════════
   VARIABLES CSS
════════════════════════════════════════════════════════════ */
:root {
  /* Fondos */
  --bg-void:      #08090b;
  --bg-deep:      #0d0f14;
  --bg-surface:   #111318;
  --bg-elevated:  #171b24;
  --bg-card:      #1c2030;
  --bg-hover:     #222740;
  --bg-input:     #161a24;

  /* Bordes */
  --border-dim:    rgba(255,255,255,0.05);
  --border-mid:    rgba(255,255,255,0.10);
  --border-bright: rgba(255,255,255,0.18);
  --border-focus:  rgba(245,158,11,0.60);

  /* Texto */
  --txt-primary:   #eaecf4;
  --txt-secondary: #8b90a8;
  --txt-muted:     #454860;
  --txt-disabled:  #2e3148;

  /* Colores de acento */
  --amber:         #f59e0b;
  --amber-bright:  #fbbf24;
  --amber-dim:     rgba(245,158,11,0.10);
  --amber-glow:    rgba(245,158,11,0.22);
  --amber-border:  rgba(245,158,11,0.30);

  --steel:         #60a5fa;
  --steel-dim:     rgba(96,165,250,0.10);
  --steel-border:  rgba(96,165,250,0.28);

  --green:         #34d399;
  --green-dim:     rgba(52,211,153,0.10);
  --green-border:  rgba(52,211,153,0.28);

  --red:           #f87171;
  --red-dim:       rgba(248,113,113,0.10);
  --red-border:    rgba(248,113,113,0.28);

  --orange:        #fb923c;
  --orange-dim:    rgba(251,146,60,0.10);
  --orange-border: rgba(251,146,60,0.28);

  /* Tipografía */
  --font-display: 'Bebas Neue', 'Arial Narrow', sans-serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Cascadia Code', monospace;

  /* Radios */
  --r-xs:  3px;
  --r-sm:  6px;
  --r-md:  10px;
  --r-lg:  14px;
  --r-xl:  20px;
  --r-full:99px;

  /* Sombras */
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.35);
  --shadow-md:   0 4px 20px rgba(0,0,0,0.45);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.55);
  --shadow-amber:0 0 30px rgba(245,158,11,0.12);
  --shadow-glow: 0 4px 16px rgba(245,158,11,0.35);

  /* Transiciones */
  --ease: cubic-bezier(0.4,0,0.2,1);
  --t-fast:   0.12s var(--ease);
  --t-normal: 0.20s var(--ease);
  --t-slow:   0.35s var(--ease);

  /* Layout */
  --sidebar-w: 256px;
  --topbar-h:  58px;
}

/* ════════════════════════════════════════════════════════════
   RESET & BASE
════════════════════════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0; padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  background:  var(--bg-void);
  color:       var(--txt-primary);
  font-size:   14px;
  line-height: 1.6;
  min-height:  100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a   { color: var(--amber); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--amber-bright); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0.5); cursor: pointer; }

/* Scrollbar */
::-webkit-scrollbar       { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--txt-muted); }

/* Selección */
::selection { background: var(--amber-glow); color: var(--txt-primary); }

/* ════════════════════════════════════════════════════════════
   FONDO ANIMADO — GRID INDUSTRIAL
════════════════════════════════════════════════════════════ */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,158,11,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,158,11,0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}
.grid-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(245,158,11,0.04) 0%, transparent 70%);
}

/* ════════════════════════════════════════════════════════════
   LOGIN PAGE
════════════════════════════════════════════════════════════ */
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.login-glow-orb {
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245,158,11,0.06) 0%, transparent 65%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: orb-pulse 6s ease-in-out infinite;
}
@keyframes orb-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50%       { transform: translate(-50%, -50%) scale(1.1); opacity: 0.6; }
}

.login-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-xl);
  padding: 44px 38px;
  box-shadow: var(--shadow-lg), var(--shadow-amber);
  animation: card-in 0.55s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes card-in {
  from { opacity: 0; transform: translateY(28px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Línea superior decorativa */
.login-card::before {
  content: '';
  position: absolute;
  top: 0; left: 24px; right: 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  border-radius: var(--r-full);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 30px;
}
.login-logo-icon {
  width: 44px; height: 44px;
  background: linear-gradient(145deg, var(--amber), #c97900);
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  font-size: 20px;
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}
.login-logo-name { font-family: var(--font-display); font-size: 20px; letter-spacing: 1.5px; line-height: 1; }
.login-logo-sub  { font-size: 10px; color: var(--txt-muted); font-family: var(--font-mono); letter-spacing: 1.5px; margin-top: 3px; }

.login-title { font-family: var(--font-display); font-size: 32px; letter-spacing: 3px; margin-bottom: 6px; }
.login-subtitle { font-size: 13px; color: var(--txt-secondary); margin-bottom: 30px; }

/* Divisor con texto */
.divider-label {
  display: flex; align-items: center; gap: 10px;
  margin: 22px 0;
  font-size: 10px; font-family: var(--font-mono);
  color: var(--txt-muted); letter-spacing: 2px; text-transform: uppercase;
}
.divider-label::before, .divider-label::after {
  content: ''; flex: 1;
  height: 1px; background: var(--border-dim);
}

.login-footer-note {
  text-align: center;
  font-size: 11px; color: var(--txt-muted);
  font-family: var(--font-mono);
  margin-top: 24px;
  letter-spacing: 0.5px;
}

/* ════════════════════════════════════════════════════════════
   FORMULARIOS — CAMPOS
════════════════════════════════════════════════════════════ */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 1.5px;
  color: var(--txt-secondary);
  text-transform: uppercase;
  margin-bottom: 7px;
}
.form-label .opt { color: var(--txt-muted); font-size: 9px; }

.form-control {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-md);
  color: var(--txt-primary);
  padding: 10px 13px;
  font-size: 14px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  outline: none;
}
.form-control:hover { border-color: var(--border-bright); }
.form-control:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-dim);
  background: var(--bg-elevated);
}
.form-control::placeholder { color: var(--txt-muted); }
.form-control:disabled { opacity: 0.4; cursor: not-allowed; }

/* Select */
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23454860'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 34px;
  cursor: pointer;
}
select.form-control option { background: var(--bg-card); color: var(--txt-primary); }

/* Input con ícono */
.input-wrap { position: relative; }
.input-wrap .ico {
  position: absolute; left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--txt-muted); font-size: 15px;
  pointer-events: none; line-height: 1;
}
.input-wrap .form-control.padded-l { padding-left: 38px; }
.input-wrap .eye-btn {
  position: absolute; right: 11px; top: 50%;
  transform: translateY(-50%);
  background: none; border: none;
  color: var(--txt-muted); cursor: pointer;
  font-size: 15px; transition: color var(--t-fast);
  padding: 2px;
}
.input-wrap .eye-btn:hover { color: var(--amber); }

/* Mono input */
.form-control.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Mensaje de ayuda */
.form-hint {
  margin-top: 5px;
  font-size: 11px;
  color: var(--txt-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.3px;
}

/* ════════════════════════════════════════════════════════════
   BOTONES
════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast);
  white-space: nowrap;
  text-decoration: none;
  user-select: none;
  line-height: 1;
}
.btn:active { transform: scale(0.97); }
.btn:disabled,
.btn[disabled] {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

/* Variantes */
.btn-primary {
  background: linear-gradient(145deg, var(--amber), #c97900);
  color: #0a0a00;
  font-weight: 600;
  border-color: transparent;
  box-shadow: 0 3px 12px rgba(245,158,11,0.30);
}
.btn-primary:hover {
  background: linear-gradient(145deg, var(--amber-bright), var(--amber));
  box-shadow: 0 5px 18px rgba(245,158,11,0.45);
  transform: translateY(-1px);
  color: #0a0a00;
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--txt-primary);
  border-color: var(--border-mid);
}
.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--border-bright);
  color: var(--txt-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--txt-secondary);
  border-color: transparent;
}
.btn-ghost:hover {
  background: var(--bg-elevated);
  color: var(--txt-primary);
  border-color: var(--border-dim);
}

.btn-danger {
  background: var(--red-dim);
  color: var(--red);
  border-color: var(--red-border);
}
.btn-danger:hover {
  background: rgba(248,113,113,0.18);
  color: var(--red);
}

.btn-steel {
  background: var(--steel-dim);
  color: var(--steel);
  border-color: var(--steel-border);
}
.btn-steel:hover { background: rgba(96,165,250,0.18); color: var(--steel); }

.btn-green {
  background: var(--green-dim);
  color: var(--green);
  border-color: var(--green-border);
}
.btn-green:hover { background: rgba(52,211,153,0.18); color: var(--green); }

/* Tamaños */
.btn-xs  { padding: 5px 11px;  font-size: 11px; border-radius: var(--r-sm); }
.btn-sm  { padding: 7px 14px;  font-size: 12px; }
.btn-lg  { padding: 13px 26px; font-size: 15px; }
.btn-xl  { padding: 16px 32px; font-size: 16px; font-family: var(--font-display); letter-spacing: 2px; }
.btn-full{ width: 100%; }

/* Botón con spinner */
.btn .spinner {
  width: 14px; height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ════════════════════════════════════════════════════════════
   ALERTAS / NOTIFICACIONES INLINE
════════════════════════════════════════════════════════════ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 15px;
  border-radius: var(--r-md);
  font-size: 13px;
  line-height: 1.5;
  border: 1px solid;
}
.alert .alert-icon { font-size: 16px; flex-shrink: 0; line-height: 1.4; }
.alert-error   { background: var(--red-dim);    border-color: var(--red-border);    color: var(--red);    }
.alert-success { background: var(--green-dim);  border-color: var(--green-border);  color: var(--green);  }
.alert-info    { background: var(--steel-dim);  border-color: var(--steel-border);  color: var(--steel);  }
.alert-warning { background: var(--amber-dim);  border-color: var(--amber-border);  color: var(--amber);  }
.alert-muted   { background: var(--bg-elevated);border-color: var(--border-dim);    color: var(--txt-secondary); }

/* ════════════════════════════════════════════════════════════
   BADGES / ETIQUETAS DE ESTADO
════════════════════════════════════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--r-full);
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.8px;
  font-weight: 500;
  white-space: nowrap;
  border: 1px solid;
}
.badge-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.badge-amber   { background: var(--amber-dim);  color: var(--amber);  border-color: var(--amber-border);  }
.badge-green   { background: var(--green-dim);  color: var(--green);  border-color: var(--green-border);  }
.badge-red     { background: var(--red-dim);    color: var(--red);    border-color: var(--red-border);    }
.badge-steel   { background: var(--steel-dim);  color: var(--steel);  border-color: var(--steel-border);  }
.badge-orange  { background: var(--orange-dim); color: var(--orange); border-color: var(--orange-border); }
.badge-muted   { background: var(--bg-elevated);color: var(--txt-muted);border-color: var(--border-dim); }

/* ════════════════════════════════════════════════════════════
   LAYOUT PRINCIPAL — SIDEBAR + CONTENT
════════════════════════════════════════════════════════════ */
.app-wrap {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ── Sidebar ───────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-deep);
  border-right: 1px solid var(--border-dim);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  z-index: 90;
  transition: transform var(--t-slow);
}

.sidebar-head {
  padding: 20px 16px 18px;
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  gap: 11px;
}
.brand-badge {
  width: 36px; height: 36px;
  background: linear-gradient(145deg, var(--amber), #c97900);
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  font-size: 17px;
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}
.brand-text .name { font-family: var(--font-display); font-size: 16px; letter-spacing: 2px; line-height: 1; }
.brand-text .ver  { font-size: 9px; color: var(--txt-muted); font-family: var(--font-mono); letter-spacing: 1px; margin-top: 3px; }

/* Nav */
.sidebar-nav  { flex: 1; padding: 14px 10px; overflow-y: auto; }
.nav-section  { margin-bottom: 22px; }
.nav-section-lbl {
  font-size: 9px;
  font-family: var(--font-mono);
  letter-spacing: 2.5px;
  color: var(--txt-muted);
  text-transform: uppercase;
  padding: 0 8px;
  margin-bottom: 5px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 11px;
  border-radius: var(--r-md);
  color: var(--txt-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast);
  border: 1px solid transparent;
  margin-bottom: 2px;
  user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(245,158,11,0.15);
}
.nav-item:hover {
  background: var(--bg-elevated);
  color: var(--txt-primary);
  border-color: var(--border-dim);
}
.nav-item.active {
  background: var(--amber-dim);
  color: var(--amber);
  border-color: var(--amber-border);
}
.nav-item .ni-ico  { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }
.nav-item .ni-badge{
  margin-left: auto;
  background: var(--amber);
  color: #0a0800;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--r-full);
}

/* User footer */
.sidebar-foot {
  padding: 12px 10px;
  border-top: 1px solid var(--border-dim);
}
.user-pill {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
  border-radius: var(--r-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-dim);
}
.user-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(145deg, #2a3050, #1a1f35);
  border: 2px solid var(--amber-border);
  display: grid;
  place-items: center;
  font-size: 13px;
  color: var(--amber);
  font-family: var(--font-display);
  flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 12px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 9px; color: var(--txt-muted); font-family: var(--font-mono); letter-spacing: 1px; }

.btn-logout {
  background: none; border: none;
  color: var(--txt-muted); cursor: pointer;
  font-size: 16px; padding: 4px;
  transition: color var(--t-fast);
  flex-shrink: 0;
}
.btn-logout:hover { color: var(--red); }

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

/* Topbar */
.topbar {
  height: var(--topbar-h);
  background: rgba(13,15,20,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0; z-index: 50;
}
.topbar-left  { display: flex; align-items: center; gap: 14px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}
.hamburger span {
  display: block;
  width: 20px; height: 2px;
  background: var(--txt-secondary);
  border-radius: 1px;
  transition: all var(--t-fast);
}

.page-heading { font-family: var(--font-display); font-size: 18px; letter-spacing: 3px; }

.topbar-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--txt-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}
.status-led {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 7px var(--green);
  animation: led-pulse 2.5s ease-in-out infinite;
}
@keyframes led-pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

.topbar-clock {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--txt-muted);
  letter-spacing: 0.5px;
}

/* Contenido de página */
.page-content { padding: 24px; flex: 1; }

/* ════════════════════════════════════════════════════════════
   TARJETAS DE ESTADÍSTICAS
════════════════════════════════════════════════════════════ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-lg);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--t-normal), box-shadow var(--t-normal), transform var(--t-normal);
  cursor: default;
}
.stat-card:hover {
  border-color: var(--border-mid);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
/* Borde superior de color */
.stat-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}
.stat-card.c-amber::after { background: linear-gradient(90deg, var(--amber), transparent); }
.stat-card.c-steel::after { background: linear-gradient(90deg, var(--steel), transparent); }
.stat-card.c-green::after { background: linear-gradient(90deg, var(--green), transparent); }
.stat-card.c-red::after   { background: linear-gradient(90deg, var(--red),   transparent); }

.stat-ico {
  width: 38px; height: 38px;
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  font-size: 18px;
  margin-bottom: 14px;
}
.stat-ico.amber { background: var(--amber-dim); }
.stat-ico.steel { background: var(--steel-dim); }
.stat-ico.green { background: var(--green-dim); }
.stat-ico.red   { background: var(--red-dim);   }

.stat-val {
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: 1px;
  line-height: 1;
  margin-bottom: 3px;
}
.stat-lbl { font-size: 11px; color: var(--txt-secondary); }
.stat-sub { font-size: 10px; color: var(--txt-muted); font-family: var(--font-mono); margin-top: 8px; }

/* ── KPI Cards (Resumen RFC) ── */
.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-md);
  padding: 14px 16px;
  border-left: 3px solid transparent;
}
.kpi-card.kpi-green  { border-left-color: var(--green); }
.kpi-card.kpi-red    { border-left-color: var(--red); }
.kpi-card.kpi-amber  { border-left-color: var(--amber); }
.kpi-card.kpi-steel  { border-left-color: var(--steel); }
.kpi-lbl { font-size: 9px; font-weight: 700; letter-spacing: 1.5px; color: var(--txt-muted); margin-bottom: 6px; }
.kpi-val { font-size: 18px; font-weight: 800; font-family: var(--font-mono); color: var(--txt-primary); line-height: 1; }
.kpi-card.kpi-green  .kpi-val { color: var(--green); }
.kpi-card.kpi-red    .kpi-val { color: var(--red); }
.kpi-card.kpi-amber  .kpi-val { color: var(--amber); }
.kpi-sub { font-size: 10px; color: var(--txt-muted); margin-top: 6px; }
.select-sm {
  background: var(--bg-input, var(--bg-card));
  border: 1px solid var(--border-dim);
  border-radius: var(--r-sm);
  color: var(--txt-primary);
  font-size: 12px;
  padding: 4px 8px;
  cursor: pointer;
}

/* ════════════════════════════════════════════════════════════
   PANEL / CARD CONTENEDOR
════════════════════════════════════════════════════════════ */
.panel {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 18px;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-dim);
  gap: 12px;
}
.panel-title {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 2.5px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.panel-title .pt-ico { font-size: 16px; }
.panel-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.panel-body  { padding: 20px; }
.panel-footer{
  padding: 12px 20px;
  border-top: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--txt-muted);
}

/* ════════════════════════════════════════════════════════════
   TABLA DE DATOS
════════════════════════════════════════════════════════════ */
.table-scroll { overflow-x: auto; }

table.data-tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-tbl thead tr {
  border-bottom: 1px solid var(--border-mid);
}
.data-tbl th {
  padding: 9px 14px;
  text-align: left;
  font-size: 9px;
  font-family: var(--font-mono);
  letter-spacing: 2px;
  color: var(--txt-muted);
  text-transform: uppercase;
  white-space: nowrap;
  font-weight: 400;
}
.data-tbl td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-dim);
  color: var(--txt-secondary);
  transition: background var(--t-fast), color var(--t-fast);
  vertical-align: middle;
}
.data-tbl tbody tr:hover td {
  background: var(--bg-elevated);
  color: var(--txt-primary);
}
.data-tbl tbody tr:last-child td { border-bottom: none; }

/* Modificadores de celdas */
.data-tbl td.mono,
.data-tbl td.uuid-col {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.5px;
}
.data-tbl td.amount   { color: var(--amber); font-family: var(--font-mono); font-weight: 500; }
.data-tbl td.rfc-col  { color: var(--amber); font-family: var(--font-mono); letter-spacing: 1.5px; font-size: 12px; }
.data-tbl td.actions  { white-space: nowrap; }

/* UUID acortado */
.uuid-short { cursor: help; }

/* Paginación */
.pagination {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  padding: 14px 0 4px;
}
.pag-btn {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-dim);
  color: var(--txt-secondary);
  font-size: 12px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all var(--t-fast);
  font-family: var(--font-mono);
}
.pag-btn:hover { background: var(--bg-hover); border-color: var(--border-mid); color: var(--txt-primary); }
.pag-btn.active{ background: var(--amber-dim); border-color: var(--amber-border); color: var(--amber); }

/* ════════════════════════════════════════════════════════════
   UPLOAD ZONE — e.Firma
════════════════════════════════════════════════════════════ */
.upload-zone {
  border: 2px dashed var(--border-mid);
  border-radius: var(--r-lg);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--t-normal);
  cursor: pointer;
  position: relative;
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--amber);
  background: var(--amber-dim);
}
.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%; height: 100%;
  font-size: 0;
}
.upload-icon  { font-size: 32px; margin-bottom: 10px; transition: color var(--t-fast); }
.upload-label { font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.upload-sub   { font-size: 11px; color: var(--txt-muted); }
.upload-zone:hover .upload-icon { color: var(--amber); }

/* Archivo cargado */
.file-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 13px;
  border-radius: var(--r-full);
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  font-size: 11px;
  font-family: var(--font-mono);
  margin-top: 12px;
  transition: all var(--t-fast);
}
.file-pill.ok {
  border-color: var(--green-border);
  color: var(--green);
  background: var(--green-dim);
}
.file-pill .fpill-name { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ════════════════════════════════════════════════════════════
   TARJETAS e.FIRMA
════════════════════════════════════════════════════════════ */
.efirma-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 14px;
}

.efirma-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-lg);
  padding: 18px;
  transition: all var(--t-normal);
  position: relative;
  overflow: hidden;
}
.efirma-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), transparent);
  opacity: 0;
  transition: opacity var(--t-normal);
}
.efirma-card:hover {
  border-color: var(--border-mid);
  box-shadow: var(--shadow-md);
}
.efirma-card:hover::before { opacity: 1; }
.efirma-card.selected {
  border-color: var(--amber-border);
  background: var(--amber-dim);
}
.efirma-card.selected::before { opacity: 1; }

.efirma-rfc {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 500;
  color: var(--amber);
  letter-spacing: 2.5px;
  margin-bottom: 2px;
}
.efirma-nombre {
  font-size: 12px;
  color: var(--txt-secondary);
  margin-bottom: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cert-rows { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.cert-row  { display: flex; justify-content: space-between; align-items: center; }
.cert-key  { font-size: 9px; font-family: var(--font-mono); color: var(--txt-muted); letter-spacing: 1px; text-transform: uppercase; }
.cert-val  { font-size: 11px; color: var(--txt-secondary); font-family: var(--font-mono); }

/* ════════════════════════════════════════════════════════════
   WIZARD DE PASOS
════════════════════════════════════════════════════════════ */
.wizard-steps {
  display: flex;
  gap: 0;
  margin-bottom: 26px;
  position: relative;
}
.wizard-steps::before {
  content: '';
  position: absolute;
  top: 17px; left: 0; right: 0;
  height: 1px;
  background: var(--border-dim);
  z-index: 0;
}

.wstep {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  position: relative;
  z-index: 1;
}
.wstep-num {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 15px;
  border: 1px solid var(--border-mid);
  background: var(--bg-void);
  color: var(--txt-muted);
  transition: all var(--t-normal);
}
.wstep.active  .wstep-num { border-color: var(--amber); color: var(--amber); background: var(--amber-dim); box-shadow: 0 0 14px var(--amber-glow); }
.wstep.done    .wstep-num { border-color: var(--green); color: var(--green); background: var(--green-dim); }
.wstep-lbl { font-size: 10px; font-family: var(--font-mono); color: var(--txt-muted); letter-spacing: 1px; text-align: center; }
.wstep.active .wstep-lbl  { color: var(--amber); }
.wstep.done   .wstep-lbl  { color: var(--green); }

/* ════════════════════════════════════════════════════════════
   GRIDS DE FORMULARIO
════════════════════════════════════════════════════════════ */
.form-grid     { display: grid; grid-template-columns: 1fr 1fr;       gap: 14px; }
.form-grid-3   { display: grid; grid-template-columns: 1fr 1fr 1fr;   gap: 14px; }
.form-grid-4   { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.col-span-2    { grid-column: span 2; }
.col-span-3    { grid-column: span 3; }
.col-span-full { grid-column: 1 / -1; }

/* ════════════════════════════════════════════════════════════
   MODAL
════════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-normal);
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-xl);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.94) translateY(12px);
  transition: transform 0.28s cubic-bezier(0.34,1.56,0.64,1);
}
.modal-overlay.open .modal-box { transform: scale(1) translateY(0); }
.modal-box.wide { max-width: 720px; }
.modal-box.narrow { max-width: 380px; }

.modal-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px;
  border-bottom: 1px solid var(--border-dim);
}
.modal-hd-title {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 2.5px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.modal-close {
  width: 28px; height: 28px;
  background: none; border: none;
  color: var(--txt-muted);
  cursor: pointer;
  font-size: 18px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  transition: all var(--t-fast);
}
.modal-close:hover { background: var(--red-dim); color: var(--red); }

.modal-bd { padding: 22px; }
.modal-ft {
  padding: 14px 22px;
  border-top: 1px solid var(--border-dim);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ════════════════════════════════════════════════════════════
   TOASTS
════════════════════════════════════════════════════════════ */
.toast-wrap {
  position: fixed;
  bottom: 22px; right: 22px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 9px;
  max-width: 340px;
  width: 100%;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-lg);
  padding: 13px 16px;
  display: flex;
  align-items: flex-start;
  gap: 11px;
  box-shadow: var(--shadow-lg);
  animation: toast-in 0.32s cubic-bezier(0.34,1.56,0.64,1) forwards;
  position: relative;
  overflow: hidden;
}
@keyframes toast-in {
  from { opacity: 0; transform: translateX(40px) scale(0.94); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}
.toast.out {
  animation: toast-out 0.24s ease forwards;
}
@keyframes toast-out {
  to { opacity: 0; transform: translateX(40px); }
}

/* Barra de progreso */
.toast::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  height: 2px;
  background: currentColor;
  border-radius: var(--r-full);
  animation: toast-bar linear forwards;
}
.toast[data-dur]::after {
  animation-duration: calc(var(--dur, 4) * 1s);
}
@keyframes toast-bar {
  from { width: 100%; }
  to   { width: 0%; }
}

.toast-ico  { font-size: 17px; flex-shrink: 0; line-height: 1.4; }
.toast-body { flex: 1; min-width: 0; }
.toast-title{ font-size: 13px; font-weight: 500; margin-bottom: 2px; }
.toast-msg  { font-size: 11px; color: var(--txt-secondary); line-height: 1.4; }

.toast.success { color: var(--green);  border-left: 3px solid var(--green);  }
.toast.error   { color: var(--red);    border-left: 3px solid var(--red);    }
.toast.info    { color: var(--steel);  border-left: 3px solid var(--steel);  }
.toast.warning { color: var(--amber);  border-left: 3px solid var(--amber);  }

/* ════════════════════════════════════════════════════════════
   LOADER OVERLAY
════════════════════════════════════════════════════════════ */
.loader-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8,9,11,0.75);
  backdrop-filter: blur(5px);
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-normal);
}
.loader-overlay.show { opacity: 1; pointer-events: all; }

.loader-box {
  background: var(--bg-card);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-xl);
  padding: 32px 40px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  min-width: 200px;
}
.loader-ring {
  width: 46px; height: 46px;
  border: 3px solid var(--border-mid);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  margin: 0 auto 16px;
}
.loader-txt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--txt-secondary);
  letter-spacing: 1px;
}

/* ════════════════════════════════════════════════════════════
   PROGRESS BAR
════════════════════════════════════════════════════════════ */
.progress-track {
  height: 4px;
  background: var(--bg-elevated);
  border-radius: var(--r-full);
  overflow: hidden;
  margin-top: 8px;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber), var(--amber-bright));
  border-radius: var(--r-full);
  transition: width 0.5s ease;
}
.progress-fill.indeterminate {
  width: 35% !important;
  animation: indeterminate 1.4s ease-in-out infinite;
}
@keyframes indeterminate {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(380%); }
}

/* ════════════════════════════════════════════════════════════
   TABS
════════════════════════════════════════════════════════════ */
.tabs {
  display: flex;
  gap: 2px;
  background: var(--bg-deep);
  border-radius: var(--r-md);
  padding: 3px;
  margin-bottom: 18px;
}
.tab-btn {
  flex: 1;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  text-align: center;
  color: var(--txt-secondary);
  transition: all var(--t-fast);
  border: none;
  background: none;
}
.tab-btn:hover  { color: var(--txt-primary); }
.tab-btn.active {
  background: var(--bg-card);
  color: var(--amber);
  box-shadow: var(--shadow-sm);
}

/* ════════════════════════════════════════════════════════════
   ESTADO VACÍO
════════════════════════════════════════════════════════════ */
.empty-state {
  text-align: center;
  padding: 56px 24px;
}
.empty-ico   { font-size: 48px; margin-bottom: 14px; opacity: 0.25; }
.empty-title { font-family: var(--font-display); font-size: 20px; letter-spacing: 2px; margin-bottom: 7px; }
.empty-sub   { font-size: 13px; color: var(--txt-muted); margin-bottom: 20px; }

/* ════════════════════════════════════════════════════════════
   MISCELÁNEOS
════════════════════════════════════════════════════════════ */
/* Separador */
.sep { height: 1px; background: var(--border-dim); margin: 20px 0; }

/* Código / monospace inline */
code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-dim);
  padding: 2px 7px;
  border-radius: var(--r-xs);
  color: var(--amber);
}

/* XML Viewer */
.xml-viewer {
  background: var(--bg-void);
  border: 1px solid var(--border-dim);
  border-radius: var(--r-md);
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.8;
  overflow-x: auto;
  max-height: 360px;
  overflow-y: auto;
}
.xml-tag  { color: var(--steel); }
.xml-attr { color: var(--amber); }
.xml-val  { color: var(--green); }
.xml-dec  { color: var(--txt-muted); }

/* Copiar al portapapeles */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--txt-muted);
  cursor: pointer;
  background: none;
  border: none;
  padding: 2px 5px;
  border-radius: var(--r-xs);
  transition: all var(--t-fast);
}
.copy-btn:hover { color: var(--amber); background: var(--amber-dim); }

/* Tooltip */
[data-tip] { position: relative; cursor: help; }
[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  color: var(--txt-primary);
  font-size: 11px;
  font-family: var(--font-body);
  padding: 5px 10px;
  border-radius: var(--r-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--t-fast);
  box-shadow: var(--shadow-sm);
  z-index: 99;
}
[data-tip]:hover::after { opacity: 1; }

/* ── Sistema de Tablas Adaptativas ────────────────────────── */
@media (max-width: 720px) {
  .data-tbl.responsive thead {
    display: none; /* Ocultamos el encabezado tradicional */
  }
  .data-tbl.responsive tbody tr {
    display: block;
    margin-bottom: 15px;
    border: 1px solid var(--border-mid);
    border-radius: var(--r-md);
    background: var(--bg-surface);
    padding: 8px;
  }
  .data-tbl.responsive td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: right;
    border-bottom: 1px solid var(--border-dim);
    padding: 8px 4px;
  }
  .data-tbl.responsive td:last-child { border-bottom: none; }
  .data-tbl.responsive td::before {
    content: attr(data-label);
    font-weight: bold;
    text-align: left;
    font-size: 10px;
    text-transform: uppercase;
    color: var(--txt-muted);
    font-family: var(--font-mono);
    margin-right: 10px;
  }
}

/* ── Grillas Fluidas Unificadas ────────────────────────────────── */
@media (max-width: 600px) {
  .form-grid, .form-grid-3, .form-grid-4 {
    grid-template-columns: 1fr !important;
  }
  .col-span-2, .col-span-3, .col-span-full {
    grid-column: span 1 / span 1 !important;
  }
}

/* ── Modales Ultra-Responsivos ────────────────────────────────── */
@media (max-width: 480px) {
  .modal-box {
    width: 100%;
    margin: 0;
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    max-height: 92vh;
  }
  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }
}

.text-amber  { color: var(--amber) !important; }
.text-green  { color: var(--green) !important; }
.text-red    { color: var(--red)   !important; }
.text-steel  { color: var(--steel) !important; }
.text-muted  { color: var(--txt-muted) !important; }
.text-secondary{ color: var(--txt-secondary) !important; }
.text-mono   { font-family: var(--font-mono) !important; }
.text-display{ font-family: var(--font-display) !important; }
.text-xs     { font-size: 11px !important; }
.text-sm     { font-size: 12px !important; }
.text-base   { font-size: 14px !important; }
.text-lg     { font-size: 16px !important; }
.text-right  { text-align: right !important; }
.text-center { text-align: center !important; }
.fw-400 { font-weight: 400 !important; }
.fw-500 { font-weight: 500 !important; }
.fw-600 { font-weight: 600 !important; }
.tracking-wide { letter-spacing: 1.5px !important; }
.tracking-wider{ letter-spacing: 2.5px !important; }

.d-flex   { display: flex !important; }
.d-grid   { display: grid !important; }
.d-none   { display: none !important; }
.d-block  { display: block !important; }
.flex-col { flex-direction: column !important; }
.flex-wrap{ flex-wrap: wrap !important; }
.align-center  { align-items: center !important; }
.align-start   { align-items: flex-start !important; }
.justify-between{ justify-content: space-between !important; }
.justify-center { justify-content: center !important; }
.justify-end    { justify-content: flex-end !important; }
.flex-1 { flex: 1 !important; }
.ml-auto{ margin-left: auto !important; }
.mt-auto{ margin-top: auto !important; }

.gap-4  { gap: 4px  !important; }
.gap-6  { gap: 6px  !important; }
.gap-8  { gap: 8px  !important; }
.gap-10 { gap: 10px !important; }
.gap-12 { gap: 12px !important; }
.gap-16 { gap: 16px !important; }
.gap-20 { gap: 20px !important; }

.p-0  { padding: 0 !important; }
.p-8  { padding: 8px  !important; }
.p-12 { padding: 12px !important; }
.p-16 { padding: 16px !important; }
.p-20 { padding: 20px !important; }

.mb-4  { margin-bottom: 4px  !important; }
.mb-8  { margin-bottom: 8px  !important; }
.mb-12 { margin-bottom: 12px !important; }
.mb-16 { margin-bottom: 16px !important; }
.mb-20 { margin-bottom: 20px !important; }
.mb-24 { margin-bottom: 24px !important; }
.mb-28 { margin-bottom: 28px !important; }
.mt-4  { margin-top: 4px   !important; }
.mt-8  { margin-top: 8px   !important; }
.mt-12 { margin-top: 12px  !important; }
.mt-16 { margin-top: 16px  !important; }

.w-full  { width: 100% !important; }
.h-full  { height: 100% !important; }
.overflow-hidden { overflow: hidden !important; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pointer  { cursor: pointer !important; }
.no-select{ user-select: none !important; }
.relative { position: relative !important; }

/* ════════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════════ */

/* ── Tablet landscape / desktop pequeño ── */
@media (max-width: 960px) {
  :root { --sidebar-w: 0px; }
  .sidebar { transform: translateX(-256px); width: 256px; }
  .sidebar.open { transform: translateX(0); }
  .main-area { margin-left: 0; }
  .hamburger { display: flex !important; }
  .page-content { padding: 16px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .form-grid   { grid-template-columns: 1fr 1fr; }
  .form-grid-3 { grid-template-columns: 1fr 1fr; }
  .form-grid-4 { grid-template-columns: 1fr 1fr; }
  .col-span-3  { grid-column: span 2; }

  /* Panel header envuelve en 2 líneas si hay muchos controles */
  .panel-head  { flex-wrap: wrap; gap: 10px; }
  .panel-actions { flex-wrap: wrap; }

  /* Topbar: ocultar reloj */
  .topbar-clock { display: none; }

  /* Tabla solicitudes: ocultar ID SAT */
  #sol-tbody tr td:first-child,
  table:has(#sol-tbody) thead th:first-child { display: none; }
}

/* ── Tablet portrait ── */
@media (max-width: 720px) {
  .page-content { padding: 12px; }
  .stats-row { grid-template-columns: 1fr 1fr; gap: 10px; }
  .panel-head  { flex-direction: column; align-items: flex-start; }
  .panel-actions { width: 100%; justify-content: flex-start; }

  /* Inputs de filtro se expanden */
  .panel-actions .select-sm,
  .panel-actions input[type="date"] { flex: 1; min-width: 90px; width: auto !important; }

  /* Tabla facturas: ocultar columna Nombre Emisor */
  #fact-tbody tr td:nth-child(3),
  #fact-tbody tr td:nth-child(4),
  table:has(#fact-tbody) thead th:nth-child(3),
  table:has(#fact-tbody) thead th:nth-child(4) { display: none; }

  /* Tabla solicitudes: ocultar Fecha */
  #sol-tbody tr td:nth-child(6),
  table:has(#sol-tbody) thead th:nth-child(6) { display: none; }

  /* Forma grid colapsa */
  .form-grid-3 { grid-template-columns: 1fr; }
  .col-span-2  { grid-column: span 1; }

  /* Modal más estrecho */
  .modal-box.wide { max-width: 100%; margin: 0 8px; }

  /* Topbar status */
  .topbar-status { display: none; }
}

/* ── Móvil ── */
@media (max-width: 520px) {
  .login-card { padding: 28px 18px; }
  .page-content { padding: 10px; }
  .stats-row  { grid-template-columns: 1fr; gap: 8px; }
  .efirma-grid{ grid-template-columns: 1fr; }
  .form-grid  { grid-template-columns: 1fr; }
  .form-grid-4{ grid-template-columns: 1fr 1fr; }
  .col-span-2, .col-span-3 { grid-column: span 1; }

  .modal-box  { border-radius: var(--r-lg); max-height: 95vh; }
  .modal-overlay { padding: 10px; align-items: flex-end; }
  .modal-box:not(.narrow) { border-radius: var(--r-lg) var(--r-lg) 0 0; }
  .modal-ft   { flex-wrap: wrap; }
  .modal-ft .btn { flex: 1; justify-content: center; }

  .toast-wrap { left: 10px; right: 10px; bottom: 10px; max-width: 100%; }

  /* Topbar compacto */
  .page-heading { font-size: 16px; letter-spacing: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .topbar { padding: 0 12px; }
  .topbar-right { gap: 8px; }

  /* KPI más compactos */
  .kpi-val { font-size: 15px; }

  /* Tabla resumen: ocultar Nombre */
  #res-tbody tr td:nth-child(2),
  table:has(#res-tbody) thead th:nth-child(2) { display: none; }

  /* Tabla facturas: también UUID largo → recortar */
  #fact-tbody tr td:nth-child(7),
  table:has(#fact-tbody) thead th:nth-child(7) { display: none; }

  /* Tabla solicitudes: solo mostrar RFC + Estado + Acciones */
  #sol-tbody tr td:nth-child(3),
  table:has(#sol-tbody) thead th:nth-child(3),
  #sol-tbody tr td:nth-child(4),
  table:has(#sol-tbody) thead th:nth-child(4) { display: none; }

  /* Filtros facturas en columna */
  #sec-facturas .panel-body .d-flex { flex-direction: column; }
  #sec-facturas .panel-body select,
  #sec-facturas .panel-body .input-wrap { width: 100% !important; }

  /* Botones full width en forms */
  #sec-solicitar .d-flex.gap-12 { flex-direction: column; }
  #sec-solicitar .d-flex.gap-12 .btn { width: 100%; justify-content: center; }

  /* Panel actions wrap en column */
  #panel-resumen .panel-actions { flex-direction: column; align-items: stretch; }
  #panel-resumen .panel-actions .select-sm,
  #panel-resumen .panel-actions input[type="date"] { width: 100% !important; }
  #panel-resumen .panel-actions .btn { align-self: flex-end; }

  /* Stat card más compacto */
  .stat-card { padding: 14px 16px; }
  .stat-val  { font-size: 28px; }
}

/* ── Móvil muy pequeño ── */
@media (max-width: 360px) {
  .page-content { padding: 8px; }
  .panel-head  { padding: 12px 14px; }
  .panel-body  { padding: 14px; }
  .data-tbl th,
  .data-tbl td { padding: 8px 10px; }
  .stats-row   { gap: 6px; }
}

/* Overlay para sidebar móvil */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 89;
  transition: opacity var(--t-normal);
}
.sidebar-overlay.show { display: block; opacity: 1; }

/* En móvil el sidebar debe estar por encima de todo */
@media (max-width: 960px) {
  .sidebar {
    z-index: 9999 !important;
    pointer-events: auto !important;
    -webkit-overflow-scrolling: touch;
  }
  .sidebar .nav-item {
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(245,158,11,0.15);
    touch-action: manipulation;
    pointer-events: auto !important;
    position: relative;
    z-index: 10000;
  }
  .sidebar-overlay { z-index: 9998 !important; }
}