/* ============================================================
 * FACTURADOR ELECTRÓNICO - Importadora Cevallos
 * CSS Principal — Diseño Minimalista Profesional
 * ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Variables ───────────────────────────────────────────────── */
:root {
  /* Paleta Principal */
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --secondary: #0f172a;
  --accent: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #6366f1;

  /* Grises */
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  /* Sidebar */
  --sidebar-w: 260px;
  --sidebar-bg: #0f172a;
  --sidebar-text: #94a3b8;
  --sidebar-active: #2563eb;
  --sidebar-hover: #1e293b;

  /* Transiciones */
  --t: 0.2s ease;
  --t-slow: 0.35s ease;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .05);

  /* Border radius */
  --r: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

button,
input,
select,
textarea {
  font-family: inherit;
}

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 99px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-light);
}

/* ══════════════════════════════════════════════════════════════
   LOGIN PAGE
══════════════════════════════════════════════════════════════════ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232563eb' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.login-card {
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(255, 255, 255, .08);
  backdrop-filter: blur(20px);
  border-radius: var(--r-xl);
  padding: 2.5rem;
  width: 90%;
  max-width: 420px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, .5);
  position: relative;
  z-index: 1;
  animation: slideUp .4s ease both;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.login-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo .icon-wrap {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--r-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
  margin-bottom: 1rem;
  box-shadow: 0 0 30px rgba(37, 99, 235, .4);
}

.login-logo h1 {
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -.02em;
}

.login-logo p {
  color: var(--sidebar-text);
  font-size: .875rem;
  margin-top: .25rem;
}

.login-form .form-group {
  margin-bottom: 1.25rem;
}

.login-form label {
  display: block;
  color: #94a3b8;
  font-size: .8rem;
  font-weight: 500;
  margin-bottom: .5rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.login-form .input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.login-form .input-wrap i:first-child {
  position: absolute;
  left: 1rem;
  color: #475569;
  font-size: .95rem;
  pointer-events: none;
  z-index: 2;
}

.login-form input {
  width: 100%;
  padding: .75rem 2.5rem .75rem 2.5rem;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--r);
  color: #fff;
  font-size: .95rem;
  transition: var(--t);
  outline: none;
  position: relative;
  z-index: 1;
}

.login-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .2);
  background: rgba(255, 255, 255, .07);
}

.login-form input::placeholder {
  color: #475569;
}

.btn-login {
  width: 100%;
  padding: .875rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  border-radius: var(--r);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--t);
  margin-top: .5rem;
  box-shadow: 0 4px 15px rgba(37, 99, 235, .4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
}

.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, .5);
}

.btn-login:active {
  transform: none;
}

.login-footer {
  text-align: center;
  margin-top: 1.5rem;
  color: #475569;
  font-size: .8rem;
}

.alert-login {
  padding: .75rem 1rem;
  border-radius: var(--r);
  font-size: .875rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.alert-danger {
  background: rgba(239, 68, 68, .15);
  border: 1px solid rgba(239, 68, 68, .3);
  color: #fca5a5;
}

.alert-success {
  background: rgba(16, 185, 129, .15);
  border: 1px solid rgba(16, 185, 129, .3);
  color: #6ee7b7;
}

/* ══════════════════════════════════════════════════════════════
   APP LAYOUT (sidebar + content)
══════════════════════════════════════════════════════════════════ */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 1000;
  transition: transform var(--t-slow);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-header {
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  display: flex;
  align-items: center;
  gap: .875rem;
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--r);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.sidebar-title {
  color: #fff;
  font-weight: 700;
  font-size: .95rem;
  line-height: 1.2;
}

.sidebar-sub {
  color: var(--sidebar-text);
  font-size: .7rem;
  margin-top: .1rem;
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0;
}

.nav-section-title {
  color: #334155;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .75rem 1.25rem .25rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem 1.25rem;
  color: var(--sidebar-text);
  font-size: .875rem;
  font-weight: 500;
  transition: var(--t);
  cursor: pointer;
  position: relative;
  border-radius: 0;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: #e2e8f0;
}

.nav-item.active {
  background: rgba(37, 99, 235, .15);
  color: #93c5fd;
  border-right: 3px solid var(--primary);
}

.nav-item.active i {
  color: var(--primary);
}

.nav-item i {
  width: 18px;
  font-size: 1rem;
  text-align: center;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: .65rem;
  border-radius: 99px;
  padding: .1rem .45rem;
  font-weight: 700;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, .06);
}

.user-info {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .625rem;
  border-radius: var(--r);
  background: rgba(255, 255, 255, .04);
  cursor: pointer;
  transition: var(--t);
}

.user-info:hover {
  background: rgba(255, 255, 255, .08);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: .85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.user-name {
  color: #e2e8f0;
  font-size: .8rem;
  font-weight: 600;
}

.user-role {
  color: var(--sidebar-text);
  font-size: .7rem;
}

.icon-logout {
  color: #475569;
  margin-left: auto;
  transition: var(--t);
  font-size: .9rem;
}

.user-info:hover .icon-logout {
  color: var(--danger);
}

/* Overlay mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .6);
  z-index: 999;
  backdrop-filter: blur(2px);
}

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

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

/* ── Topbar ────────────────────────────────────────────────────── */
.topbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
  border-radius: var(--r);
  color: var(--text-muted);
  font-size: 1.25rem;
  transition: var(--t);
}

.hamburger:hover {
  background: var(--bg);
  color: var(--text);
}

.page-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.page-breadcrumb {
  font-size: .8rem;
  color: var(--text-muted);
  margin-top: .15rem;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.topbar-btn {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem .875rem;
  border-radius: var(--r);
  font-size: .875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--t);
  border: none;
}

.topbar-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--t);
  border: 1px solid var(--border);
  position: relative;
}

.topbar-icon:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.env-badge {
  padding: .25rem .75rem;
  border-radius: 99px;
  font-size: .75rem;
  font-weight: 600;
}

.env-pruebas {
  background: #fef3c7;
  color: #92400e;
}

.env-prod {
  background: #d1fae5;
  color: #065f46;
}

/* ── Page Content ─────────────────────────────────────────────── */
.page-content {
  padding: 1.5rem;
  flex: 1;
}

/* ── Cards ────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

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

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.card-title i {
  color: var(--primary);
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

/* ── Stat Cards (Dashboard) ────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: var(--t);
  cursor: default;
  box-shadow: var(--shadow-sm);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.stat-icon.blue {
  background: #dbeafe;
  color: var(--primary);
}

.stat-icon.green {
  background: #d1fae5;
  color: var(--success);
}

.stat-icon.yellow {
  background: #fef3c7;
  color: var(--warning);
}

.stat-icon.purple {
  background: #ede9fe;
  color: var(--info);
}

.stat-icon.red {
  background: #fee2e2;
  color: var(--danger);
}

.stat-icon.cyan {
  background: #cffafe;
  color: var(--accent);
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}

.stat-label {
  font-size: .8rem;
  color: var(--text-muted);
  margin-top: .25rem;
  font-weight: 500;
}

.stat-change {
  font-size: .75rem;
  margin-top: .5rem;
  display: flex;
  align-items: center;
  gap: .25rem;
}

.stat-change.up {
  color: var(--success);
}

.stat-change.down {
  color: var(--danger);
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1.125rem;
  border-radius: var(--r);
  font-size: .875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--t);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 4px 12px rgba(37, 99, 235, .3);
}

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

.btn-success:hover {
  background: #059669;
}

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

.btn-danger:hover {
  background: #dc2626;
}

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

.btn-warning:hover {
  background: #d97706;
}

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

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

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

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

.btn-sm {
  padding: .4rem .75rem;
  font-size: .8rem;
}

.btn-lg {
  padding: .875rem 1.5rem;
  font-size: 1rem;
}

.btn-icon {
  padding: .5rem;
  width: 36px;
  height: 36px;
  justify-content: center;
}

.btn:disabled {
  opacity: .5;
  cursor: not-allowed;
}

/* ── Forms ────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .5rem;
}

.form-label .required {
  color: var(--danger);
  margin-left: .2rem;
}

.form-control {
  width: 100%;
  padding: .625rem .875rem;
  border: 1px solid var(--border);
  border-radius: var(--r);
  font-size: .875rem;
  color: var(--text);
  background: #fff;
  transition: var(--t);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .1);
}

.form-control:invalid:not(:placeholder-shown) {
  border-color: var(--danger);
}

.form-control::placeholder {
  color: var(--text-light);
}

select.form-control {
  cursor: pointer;
}

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

.form-text {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: .375rem;
}

.form-error {
  font-size: .75rem;
  color: var(--danger);
  margin-top: .375rem;
}

.input-group {
  display: flex;
}

.input-group .form-control {
  border-radius: var(--r) 0 0 var(--r);
  flex: 1;
}

.input-group .btn {
  border-radius: 0 var(--r) var(--r) 0;
}

.input-icon {
  position: relative;
}

.input-icon i {
  position: absolute;
  left: .75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.input-icon .form-control {
  padding-left: 2.25rem;
}

/* ── Grid / Row ───────────────────────────────────────────────── */
.row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.col-half {
  flex: 0 0 calc(50% - .625rem);
}

.col-third {
  flex: 0 0 calc(33.333% - .834rem);
}

.col-two-thirds {
  flex: 0 0 calc(66.666% - .417rem);
}

.col-quarter {
  flex: 0 0 calc(25% - .938rem);
}

.col-full {
  flex: 0 0 100%;
}

/* ── Table ────────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

.table th {
  background: var(--bg);
  padding: .75rem 1rem;
  text-align: left;
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.table td {
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}

.table tr:last-child td {
  border-bottom: none;
}

.table tbody tr:hover {
  background: #f8fafc;
}

.table .actions {
  display: flex;
  gap: .35rem;
}

.table tfoot td {
  background: var(--bg);
  font-weight: 600;
}

/* ── Badges ───────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .25rem .625rem;
  border-radius: 99px;
  font-size: .7rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success {
  background: #d1fae5;
  color: #065f46;
}

.badge-danger {
  background: #fee2e2;
  color: #991b1b;
}

.badge-warning {
  background: #fef3c7;
  color: #92400e;
}

.badge-info {
  background: #ede9fe;
  color: #4c1d95;
}

.badge-primary {
  background: #dbeafe;
  color: #1e40af;
}

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

.badge-dot::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  margin-right: .25rem;
}

/* ── Alerts ───────────────────────────────────────────────────── */
.alert {
  padding: .875rem 1.125rem;
  border-radius: var(--r);
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: .875rem;
  margin-bottom: 1rem;
}

.alert i {
  margin-top: .1rem;
  font-size: 1rem;
  flex-shrink: 0;
}

.alert-success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-danger {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

.alert-warning {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.alert-info {
  background: #dbeafe;
  color: #1e40af;
  border: 1px solid #93c5fd;
}

/* ── Modal ─────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .5);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--r-xl);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(.95) translateY(-10px);
  transition: transform var(--t);
}

.modal-overlay.active .modal {
  transform: none;
}

.modal-lg {
  max-width: 720px;
}

.modal-xl {
  max-width: 900px;
}

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

.modal-title {
  font-size: 1rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1.1rem;
  padding: .25rem;
  border-radius: var(--r);
  transition: var(--t);
}

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

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: .5rem;
  background: var(--bg);
}

/* ── Toast / Notifications ───────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.toast {
  background: #1e293b;
  color: #e2e8f0;
  border-radius: var(--r-lg);
  padding: .875rem 1.25rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .875rem;
  min-width: 280px;
  max-width: 400px;
  box-shadow: var(--shadow-xl);
  transform: translateX(120%);
  transition: transform .3s ease;
  border-left: 4px solid var(--primary);
}

.toast.show {
  transform: none;
}

.toast.success {
  border-color: var(--success);
}

.toast.error {
  border-color: var(--danger);
}

.toast.warning {
  border-color: var(--warning);
}

.toast i {
  font-size: 1.1rem;
}

.toast.success i {
  color: var(--success);
}

.toast.error i {
  color: var(--danger);
}

.toast.warning i {
  color: var(--warning);
}

.toast-close {
  margin-left: auto;
  background: none;
  border: none;
  color: #64748b;
  cursor: pointer;
  font-size: .9rem;
}

/* ── Factura Builder ─────────────────────────────────────────── */
.invoice-builder {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.25rem;
}

.invoice-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.25rem;
}

.invoice-section h3 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
  padding-bottom: .625rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.invoice-section h3 i {
  color: var(--primary);
}

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

.items-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}

.items-table th {
  background: var(--bg);
  padding: .6rem .75rem;
  font-size: .7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
}

.items-table td {
  padding: .5rem .75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.items-table td input {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: .35rem .55rem;
  font-size: .85rem;
  background: transparent;
  transition: var(--t);
}

.items-table td input:focus {
  border-color: var(--primary);
  background: var(--primary-light);
  outline: none;
}

.totals-box {
  background: var(--bg);
  border-radius: var(--r);
  padding: 1rem;
}

.totals-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .4rem 0;
  font-size: .875rem;
}

.totals-row.total-final {
  border-top: 2px solid var(--border);
  margin-top: .5rem;
  padding-top: .75rem;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
}

.product-search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0 0 var(--r) var(--r);
  max-height: 200px;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.product-search-results .item {
  padding: .6rem .875rem;
  cursor: pointer;
  font-size: .875rem;
  border-bottom: 1px solid var(--border);
  transition: var(--t);
}

.product-search-results .item:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.product-search-results .item:last-child {
  border-bottom: none;
}

/* ── Pagination ───────────────────────────────────────────────── */
.pagination {
  display: flex;
  gap: .25rem;
  align-items: center;
}

.page-btn {
  min-width: 36px;
  height: 36px;
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: .85rem;
  cursor: pointer;
  transition: var(--t);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

/* ── Search bar ───────────────────────────────────────────────── */
.search-wrap {
  position: relative;
  max-width: 340px;
  width: 100%;
}

.search-wrap i {
  position: absolute;
  left: .75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: .6rem 1rem .6rem 2.25rem;
  border: 1px solid var(--border);
  border-radius: var(--r);
  font-size: .875rem;
  background: var(--bg);
  transition: var(--t);
  outline: none;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .1);
  background: #fff;
}

/* ── Utilities ────────────────────────────────────────────────── */
.text-right {
  text-align: right;
}

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

.text-muted {
  color: var(--text-muted);
}

.text-success {
  color: var(--success);
}

.text-danger {
  color: var(--danger);
}

.text-primary {
  color: var(--primary);
}

.text-warning {
  color: var(--warning);
}

.fw-bold {
  font-weight: 700;
}

.fw-medium {
  font-weight: 500;
}

.mt-1 {
  margin-top: .25rem;
}

.mt-2 {
  margin-top: .5rem;
}

.mt-3 {
  margin-top: 1rem;
}

.mb-1 {
  margin-bottom: .25rem;
}

.mb-2 {
  margin-bottom: .5rem;
}

.mb-3 {
  margin-bottom: 1rem;
}

.gap-1 {
  gap: .25rem;
}

.gap-2 {
  gap: .5rem;
}

.d-flex {
  display: flex;
}

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

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

.justify-end {
  justify-content: flex-end;
}

.flex-wrap {
  flex-wrap: wrap;
}

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 3rem;
  opacity: .2;
  margin-bottom: 1rem;
  display: block;
}

.empty-state h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .5rem;
}

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

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, .3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

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

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .invoice-builder {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .col-third {
    flex: 0 0 calc(50% - .625rem);
  }

  .col-quarter {
    flex: 0 0 calc(50% - .625rem);
  }
}

@media (max-width: 768px) {
  :root {
    --sidebar-w: 260px;
  }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: none;
  }

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

  .hamburger {
    display: flex;
  }

  .page-content {
    padding: 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .col-half,
  .col-third,
  .col-two-thirds,
  .col-quarter {
    flex: 0 0 100%;
  }

  .table th,
  .table td {
    padding: .6rem .75rem;
  }

  .topbar {
    padding: 0 1rem;
  }

  .card-body {
    padding: 1rem;
  }

  .modal {
    margin: .5rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .topbar-right .env-badge {
    display: none;
  }
}

/* ── Print (para RIDE preview) ─────────────────────────────────── */
@media print {

  .sidebar,
  .topbar,
  .btn,
  .no-print {
    display: none !important;
  }

  .main-content {
    margin: 0;
  }

  .page-content {
    padding: 0;
  }

  .card {
    box-shadow: none;
    border: none;
  }
}