@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

/* ════════════════════════════════════════════════════════
   Blackwood Collections — Core Internal System
   Design system tokens from root.css + theme.css
   ════════════════════════════════════════════════════════ */

/* ── Brand tokens (invariant) ────────────────────────── */
:root {
  --bw-color-blue:        #0060FF;
  --bw-color-blue-hover:  #0050DD;
  --bw-color-blue-muted:  #4D94FF;
  --bw-color-violet:      #8B00FF;
  --bw-color-orange:      #E8651A;

  --bw-rgb-blue:          0, 96, 255;
  --bw-rgb-violet:        139, 0, 255;
  --bw-rgb-orange:        232, 101, 26;

  --bw-font-primary:      'Outfit', sans-serif;
  --bw-font-mono:         'Space Mono', monospace;

  --bw-transition-fast:   150ms ease;
  --bw-transition-base:   300ms ease;

  --bw-nav-height:        60px;
  --sidebar-w:            252px;

  /* Typography scale */
  --bw-text-xs:   0.72rem;
  --bw-text-sm:   0.825rem;
  --bw-text-base: 0.9rem;
  --bw-text-lg:   1rem;

  /* Layout */
  --radius:    8px;
  --radius-sm: 5px;
  --radius-lg: 12px;
  --radius-pill: 9999px;
}

/* ── DARK MODE (default) ─────────────────────────────── */
:root,
[data-theme="dark"] {
  --bw-color-dark:  #0A0A0F;
  --bw-color-light: #F5F5F0;
  --bw-rgb-dark:    10, 10, 15;
  --bw-rgb-light:   245, 245, 240;

  /* System surfaces */
  --bg:          #0A0A0F;
  --surface:     #141419;
  --surface-2:   #1C1C24;
  --surface-3:   #262630;

  /* Text */
  --text:        #F0F0F5;
  --text-muted:  rgba(240, 240, 245, 0.40);
  --text-subtle: rgba(240, 240, 245, 0.55);

  /* Borders */
  --border:        rgba(255, 255, 255, 0.06);
  --border-light:  rgba(255, 255, 255, 0.04);
  --border-strong: rgba(255, 255, 255, 0.12);

  /* Primary */
  --primary:    #0060FF;
  --primary-dk: #0050DD;
  --primary-bg: rgba(0, 96, 255, 0.10);
  --primary-muted: #4D94FF;

  /* Semantic */
  --success:     #22C55E;
  --success-bg:  rgba(34, 197, 94, .10);
  --warning:     #E8651A;
  --warning-bg:  rgba(232, 101, 26, .10);
  --danger:      #EF4444;
  --danger-bg:   rgba(239, 68, 68, .10);

  /* Component tokens */
  --card-bg:        #141419;
  --input-bg:       #141419;
  --dropdown-bg:    #1C1C24;
  --modal-backdrop: rgba(10, 10, 15, 0.88);
  --auth-bg:        #0A0A0F;

  /* Chart */
  --chart-bar:      #0060FF;
  --chart-bar-2:    #0040CC;
  --chart-empty:    rgba(0, 96, 255, .10);
  --chart-grid:     rgba(255, 255, 255, .04);
  --chart-label:    rgba(240, 240, 245, .30);

  /* Toggle icon */
  --theme-toggle-icon: "☀";
}

/* ── LIGHT MODE ──────────────────────────────────────── */
[data-theme="light"] {
  --bw-color-dark:  #0A0A0F;
  --bw-color-light: #F5F5F0;
  --bw-rgb-dark:    10, 10, 15;
  --bw-rgb-light:   245, 245, 240;

  --bg:          #F5F5F0;
  --surface:     #FFFFFF;
  --surface-2:   #F0EDE8;
  --surface-3:   #E8E4DE;

  --text:        #0A0A0F;
  --text-muted:  rgba(10, 10, 15, 0.45);
  --text-subtle: rgba(10, 10, 15, 0.58);

  --border:        rgba(10, 10, 15, 0.08);
  --border-light:  rgba(10, 10, 15, 0.05);
  --border-strong: rgba(10, 10, 15, 0.15);

  --primary:    #0060FF;
  --primary-dk: #0050DD;
  --primary-bg: rgba(0, 96, 255, 0.08);
  --primary-muted: #0060FF;

  --success:     #16A34A;
  --success-bg:  rgba(22, 163, 74, .08);
  --warning:     #C2540A;
  --warning-bg:  rgba(194, 84, 10, .08);
  --danger:      #DC2626;
  --danger-bg:   rgba(220, 38, 38, .08);

  --card-bg:        #FFFFFF;
  --input-bg:       #FFFFFF;
  --dropdown-bg:    #FFFFFF;
  --modal-backdrop: rgba(10, 10, 15, 0.50);
  --auth-bg:        #F5F5F0;

  --chart-bar:      #0060FF;
  --chart-bar-2:    #0050DD;
  --chart-empty:    rgba(0, 96, 255, .10);
  --chart-grid:     rgba(10, 10, 15, .06);
  --chart-label:    rgba(10, 10, 15, .40);

  --theme-toggle-icon: "☾";
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--bw-font-primary);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  display: flex;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-muted); }

/* ════════════════════════════════════════════════════════
   THEME TOGGLE BUTTON
   ════════════════════════════════════════════════════════ */
.theme-toggle {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-muted);
  font-size: .85rem;
  transition: background .15s, color .15s, border-color .15s;
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border-strong);
}
/* Icons swap */
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* ════════════════════════════════════════════════════════
   SIDEBAR
   ════════════════════════════════════════════════════════ */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
  transition: background-color .25s ease, border-color .25s ease;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: .875rem;
  padding: 1.125rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  text-decoration: none;
}

.logo-favicon { width: 30px; height: 28px; flex-shrink: 0; }

.logo-wordmark { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.logo-name {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -.2px;
  line-height: 1.2;
  white-space: nowrap;
  transition: color .25s;
}
.logo-sub {
  font-size: .6rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color .25s;
}

/* Nav */
.nav-menu { list-style: none; padding: .75rem 0; flex: 1; }

.nav-section {
  font-family: var(--bw-font-mono);
  font-size: .6rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  opacity: .5;
  padding: 1.25rem 1rem .35rem;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem 1rem;
  color: var(--text-muted);
  font-size: var(--bw-text-sm);
  font-weight: 400;
  border-left: 2px solid transparent;
  transition: color var(--bw-transition-fast), background var(--bw-transition-fast), border-color var(--bw-transition-fast);
  text-decoration: none;
}
.nav-item a svg { width: 14px; height: 14px; flex-shrink: 0; opacity: .6; transition: opacity var(--bw-transition-fast); }
.nav-item a:hover {
  background: var(--surface-2);
  color: var(--text);
}
.nav-item a:hover svg { opacity: 1; }
.nav-item.active a {
  background: var(--primary-bg);
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 500;
}
.nav-item.active a svg { opacity: 1; }

/* Sidebar footer */
.sidebar-footer {
  display: flex;
  align-items: center;
  padding: .875rem 1rem;
  border-top: 1px solid var(--border);
  gap: .5rem;
  flex-shrink: 0;
}
.user-info { display: flex; align-items: center; gap: .6rem; flex: 1; min-width: 0; text-decoration: none; }
.user-avatar {
  width: 28px; height: 28px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: .65rem; font-weight: 700; color: #fff;
  flex-shrink: 0; letter-spacing: .5px;
}
.user-details { min-width: 0; }
.user-name  { display: block; font-size: var(--bw-text-sm); color: var(--text); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role  { display: block; font-size: .6rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

.btn-logout {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: background var(--bw-transition-fast), color var(--bw-transition-fast);
  flex-shrink: 0;
}
.btn-logout:hover { background: var(--surface-2); color: var(--text); }
.btn-logout svg { width: 13px; height: 13px; }

/* ════════════════════════════════════════════════════════
   MAIN CONTENT
   ════════════════════════════════════════════════════════ */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 2rem 2.25rem 3rem;
  min-width: 0;
  transition: background-color .25s;
}

/* ── Page header ─────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}
.page-header h1 {
  font-family: var(--bw-font-primary);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1;
}
.header-actions { display: flex; align-items: center; gap: .5rem; }

.section-eyebrow {
  font-family: var(--bw-font-mono);
  font-size: .6rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: .35rem;
}

/* ════════════════════════════════════════════════════════
   CARD
   ════════════════════════════════════════════════════════ */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: background-color .25s, border-color .25s;
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .875rem 1.25rem;
  border-bottom: 1px solid var(--border);
  gap: 1rem; flex-wrap: wrap;
}
.card-header h2, .card-header h3 {
  font-size: var(--bw-text-lg);
  font-weight: 500;
  color: var(--text);
  letter-spacing: -.2px;
}
.card-body { padding: 1.25rem; }
.card-body.p-0 { padding: 0; }
.card-footer {
  padding: .75rem 1.25rem;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  transition: background-color .25s;
}

/* ════════════════════════════════════════════════════════
   KPI GRID
   ════════════════════════════════════════════════════════ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(165px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1.75rem;
  transition: background-color .25s;
}
.kpi-card {
  background: var(--card-bg);
  padding: 1.25rem;
  position: relative;
  transition: background-color .25s;
}
.kpi-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--primary);
  opacity: .25;
}
.kpi-card.kpi-green::after  { background: var(--success); opacity: .5; }
.kpi-card.kpi-yellow::after { background: var(--warning); opacity: .5; }
.kpi-card.kpi-red::after    { background: var(--danger);  opacity: .5; }

.kpi-label {
  font-family: var(--bw-font-mono);
  font-size: .6rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: .5rem;
}
.kpi-value {
  font-size: 1.45rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -.03em;
  line-height: 1;
}

/* ════════════════════════════════════════════════════════
   TABLE
   ════════════════════════════════════════════════════════ */
.table { width: 100%; border-collapse: collapse; font-size: var(--bw-text-sm); }
.table thead tr { background: var(--surface-2); border-bottom: 1px solid var(--border); }
.table thead th {
  padding: .65rem 1rem;
  text-align: left;
  font-family: var(--bw-font-mono);
  font-size: .6rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-muted);
  white-space: nowrap;
}
.table tbody tr { border-bottom: 1px solid var(--border-light); transition: background .1s; }
.table tbody tr:last-child { border-bottom: none; }
.table tbody tr:hover { background: var(--surface-2); }
.table tbody td { padding: .7rem 1rem; vertical-align: middle; color: var(--text); transition: background .1s; }
.table-lineas tbody td { padding: .4rem .75rem; }

.actions-cell  { white-space: nowrap; }
.text-right    { text-align: right !important; }
.text-center   { text-align: center !important; }
.text-muted    { color: var(--text-muted); }
.text-danger   { color: var(--danger); }
.text-nowrap   { white-space: nowrap; }
.table-responsive { overflow-x: auto; }

/* ════════════════════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .45rem 1rem;
  font-family: var(--bw-font-primary);
  font-size: var(--bw-text-sm);
  font-weight: 400;
  border-radius: var(--radius-pill);
  border: 2px solid var(--border-strong);
  cursor: pointer;
  transition: all var(--bw-transition-fast);
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  background: transparent;
  color: var(--text-muted);
}
.btn:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-2); text-decoration: none; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 500;
}
.btn-primary:hover { background: var(--primary-dk); border-color: var(--primary-dk); color: #fff; }

.btn-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-muted);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-bg); }

.btn-danger { background: transparent; color: var(--danger); border-color: rgba(239,68,68,.25); }
.btn-danger:hover { background: var(--danger-bg); border-color: var(--danger); }

.btn-sm { padding: .3rem .75rem; font-size: var(--bw-text-xs); }
.btn-block { width: 100%; justify-content: center; }

/* ════════════════════════════════════════════════════════
   FORMS
   ════════════════════════════════════════════════════════ */
.form-group { display: flex; flex-direction: column; gap: .35rem; }
.form-group label {
  font-family: var(--bw-font-mono);
  font-size: .6rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-muted);
}
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}
.form-group-wide { grid-column: span 2; }
.form-actions { display: flex; gap: .625rem; justify-content: flex-end; margin-top: 1.25rem; flex-wrap: wrap; }

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="number"],
input[type="tel"],
select,
textarea {
  padding: .5rem .875rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--bw-font-primary);
  font-size: var(--bw-text-base);
  color: var(--text);
  background: var(--input-bg);
  transition: border-color .15s, box-shadow .15s, background-color .25s, color .25s;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: .5; }
textarea { resize: vertical; min-height: 60px; }

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  padding-right: 2.25rem;
}

.checkbox-label { display: flex; align-items: center; gap: .5rem; font-size: var(--bw-text-base); cursor: pointer; color: var(--text-muted); }
.checkbox-label input[type="checkbox"] { width: 14px; height: 14px; accent-color: var(--primary); }

.select-sm { padding: .3rem .7rem; font-size: var(--bw-text-xs); width: auto; }
.input-search { max-width: 280px; }

/* ════════════════════════════════════════════════════════
   ALERTS
   ════════════════════════════════════════════════════════ */
.alert {
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: var(--bw-text-sm);
  margin-bottom: 1.25rem;
  border-left: 3px solid;
}
.alert-error   { background: var(--danger-bg);  color: var(--danger);  border-left-color: var(--danger);  border: 1px solid rgba(239,68,68,.2); border-left: 3px solid var(--danger); }
.alert-success { background: var(--success-bg); color: var(--success); border-left-color: var(--success); border: 1px solid rgba(34,197,94,.2);  border-left: 3px solid var(--success); }

/* ════════════════════════════════════════════════════════
   BADGES
   ════════════════════════════════════════════════════════ */
.badge {
  display: inline-block;
  padding: .2rem .65rem;
  font-family: var(--bw-font-mono);
  font-size: .6rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  border: 1px solid;
}
.badge-draft   { background: var(--surface-2);  color: var(--text-muted); border-color: var(--border-strong); }
.badge-sent    { background: var(--primary-bg);  color: var(--primary-muted); border-color: rgba(var(--bw-rgb-blue),.2); }
.badge-paid    { background: var(--success-bg);  color: var(--success); border-color: rgba(34,197,94,.2); }
.badge-voided  { background: var(--danger-bg);   color: var(--danger);  border-color: rgba(239,68,68,.2); }
.badge-admin   { background: var(--primary-bg);  color: var(--primary); border-color: rgba(var(--bw-rgb-blue),.25); }
.badge-usuario { background: var(--surface-2);   color: var(--text-muted); border-color: var(--border-strong); }

.badge-select {
  padding: .2rem .6rem;
  font-family: var(--bw-font-mono);
  font-size: .6rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-pill);
  appearance: none;
}

/* ════════════════════════════════════════════════════════
   FILTERS
   ════════════════════════════════════════════════════════ */
.filters-card { margin-bottom: 1rem; }
.filters-form { padding: .75rem 1rem; display: flex; gap: .625rem; flex-wrap: wrap; align-items: center; }
.filters-form input, .filters-form select { width: auto; }

/* ════════════════════════════════════════════════════════
   INVOICE GRID
   ════════════════════════════════════════════════════════ */
.factura-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
}
@media (max-width: 900px) { .factura-grid { grid-template-columns: 1fr; } }
.factura-col { display: flex; flex-direction: column; gap: 1.125rem; }

/* Totals box */
.totales-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: .875rem 0;
  transition: background-color .25s;
}
.total-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: .55rem .875rem;
  font-size: var(--bw-text-sm);
  border-bottom: 1px solid var(--border-light);
  color: var(--text-muted);
}
.total-row:last-child { border-bottom: none; }
.total-final {
  background: var(--primary);
  color: #fff;
  font-weight: 500;
  font-size: var(--bw-text-base);
  padding: .75rem .875rem;
}

/* ════════════════════════════════════════════════════════
   AUTOCOMPLETE DROPDOWN
   ════════════════════════════════════════════════════════ */
.search-cliente, .search-servicio { position: relative; }
.search-cliente input, .search-servicio input { width: 220px; font-size: var(--bw-text-xs); padding: .375rem .7rem; }

.dropdown-results {
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--dropdown-bg);
  border: 1px solid var(--border-strong);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  box-shadow: 0 8px 32px rgba(0,0,0,.3);
  z-index: 50; max-height: 220px; overflow-y: auto; display: none;
  transition: background-color .25s;
}
.dropdown-results.show { display: block; }
.dropdown-item {
  padding: .6rem .875rem; cursor: pointer;
  font-size: var(--bw-text-sm);
  border-bottom: 1px solid var(--border-light);
  transition: background var(--bw-transition-fast); color: var(--text-muted);
}
.dropdown-item:last-child { border-bottom: none; }
.dropdown-item:hover { background: var(--primary-bg); color: var(--text); }
.dropdown-item strong { color: var(--text); font-weight: 500; }
.dropdown-item .item-sub { font-size: var(--bw-text-xs); color: var(--text-muted); display: block; margin-top: 1px; }

.col-num    { width: 90px; }
.col-action { width: 36px; }

/* ════════════════════════════════════════════════════════
   MODAL
   ════════════════════════════════════════════════════════ */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; }
.modal-backdrop { position: fixed; inset: 0; background: var(--modal-backdrop); backdrop-filter: blur(4px); }
.modal-dialog {
  background: var(--card-bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  width: 100%; max-width: 560px;
  z-index: 1;
  max-height: 90vh;
  display: flex; flex-direction: column; overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,.4);
  transition: background-color .25s;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: var(--bw-text-lg); font-weight: 500; color: var(--text); letter-spacing: -.02em; }
.modal-close {
  background: none; border: 1px solid transparent; cursor: pointer;
  font-size: .875rem; color: var(--text-muted);
  width: 26px; height: 26px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); transition: all var(--bw-transition-fast);
}
.modal-close:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-2); }
.modal-body { padding: 1.25rem; overflow-y: auto; flex: 1; }
.modal-footer {
  display: flex; gap: .5rem; justify-content: flex-end;
  padding: .875rem 1.25rem;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  transition: background-color .25s;
}

/* ════════════════════════════════════════════════════════
   AUTH
   ════════════════════════════════════════════════════════ */
.auth-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
  background: var(--auth-bg);
  background-image: radial-gradient(rgba(var(--bw-rgb-blue), .12) 1px, transparent 1px);
  background-size: 28px 28px;
  transition: background-color .25s;
}
.auth-container { width: 100%; max-width: 420px; padding: 1rem; }
.auth-card {
  background: var(--card-bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: 0 24px 64px rgba(0,0,0,.25);
  transition: background-color .25s, border-color .25s;
}
.auth-logo { text-align: center; margin-bottom: 2rem; }
.auth-logo-img { width: 52px; height: 48px; margin: 0 auto 1.25rem; display: block; }
.auth-logo h1 {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -.03em;
  margin-bottom: .35rem;
}
.auth-logo p { color: var(--text-muted); font-family: var(--bw-font-mono); font-size: .65rem; text-transform: uppercase; letter-spacing: .15em; }
.auth-form { display: flex; flex-direction: column; gap: 1.125rem; }

/* ════════════════════════════════════════════════════════
   TAX SUMMARY
   ════════════════════════════════════════════════════════ */
.grid-trimestres {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.125rem;
}
.trimestre-card .card-header { flex-direction: column; align-items: flex-start; gap: .2rem; }
.fiscal-row {
  display: flex; justify-content: space-between;
  padding: .45rem 0; font-size: var(--bw-text-sm);
  border-bottom: 1px solid var(--border-light); color: var(--text-muted);
}
.fiscal-row:last-child { border-bottom: none; }
.fiscal-row strong { color: var(--text); }
.fiscal-iva   strong { color: var(--warning); }
.fiscal-total strong { color: var(--success); }

/* ════════════════════════════════════════════════════════
   TABS
   ════════════════════════════════════════════════════════ */
.tabs {
  display: flex; gap: 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  padding: .6rem 1.25rem;
  font-family: var(--bw-font-primary);
  font-size: var(--bw-text-sm); font-weight: 400;
  background: none; border: none; cursor: pointer;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--bw-transition-fast), border-color var(--bw-transition-fast);
}
.tab-btn:hover  { color: var(--text); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ════════════════════════════════════════════════════════
   CHART CANVAS
   ════════════════════════════════════════════════════════ */
#grafico-meses { max-height: 200px; }

/* ════════════════════════════════════════════════════════
   SCROLLBAR
   ════════════════════════════════════════════════════════ */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }