/* ============================================================
   RuzConta — Stylesheet principal
   Tipografía: DM Sans + DM Mono
   Paleta: Dark sidebar, tarjetas blancas, acentos semáforo
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  /* Sidebar */
  --sidebar-bg:      #0f172a;
  --sidebar-width:   240px;
  --sidebar-text:    #94a3b8;
  --sidebar-active:  #e2e8f0;
  --sidebar-hover:   rgba(148,163,184,.12);
  --sidebar-accent:  #3b82f6;

  /* Superficie */
  --bg:              #f1f5f9;
  --surface:         #ffffff;
  --surface-2:       #f8fafc;
  --border:          #e2e8f0;
  --border-light:    #f1f5f9;

  /* Texto */
  --text-primary:    #0f172a;
  --text-secondary:  #475569;
  --text-muted:      #94a3b8;

  /* Semáforo contable */
  --green:           #10b981;
  --green-bg:        #d1fae5;
  --green-border:    #6ee7b7;
  --red:             #ef4444;
  --red-bg:          #fee2e2;
  --red-border:      #fca5a5;
  --blue:            #3b82f6;
  --blue-bg:         #dbeafe;
  --blue-border:     #93c5fd;
  --amber:           #f59e0b;
  --amber-bg:        #fef3c7;
  --purple:          #8b5cf6;
  --purple-bg:       #ede9fe;

  /* Acciones */
  --btn-primary:     #3b82f6;
  --btn-primary-h:   #2563eb;
  --btn-danger:      #ef4444;
  --btn-danger-h:    #dc2626;
  --btn-success:     #10b981;
  --btn-success-h:   #059669;

  /* Elevación */
  --shadow-sm:  0 1px 3px rgba(15,23,42,.06), 0 1px 2px rgba(15,23,42,.04);
  --shadow-md:  0 4px 12px rgba(15,23,42,.08), 0 2px 4px rgba(15,23,42,.04);
  --shadow-lg:  0 10px 30px rgba(15,23,42,.12);

  /* Radio */
  --radius-sm:   6px;
  --radius:      10px;
  --radius-lg:   14px;

  /* Layout */
  --topbar-h:    60px;
  --transition:  .2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 15px;
  color: var(--text-primary);
  background: var(--bg);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; }

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition);
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1.25rem 1rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
  margin-bottom: .5rem;
}

.brand-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border-radius: 8px;
  display: grid; place-items: center;
  color: #fff;
  flex-shrink: 0;
}
.brand-icon svg { width: 18px; height: 18px; }

.brand-text { display: flex; flex-direction: column; }
.brand-name { color: #f1f5f9; font-weight: 700; font-size: 1rem; line-height: 1.2; }
.brand-sub  { color: var(--sidebar-text); font-size: .72rem; }

/* Nav */
.sidebar-nav { flex: 1; padding: .5rem 0; }

.nav-section { padding: 0 .75rem 1rem; }

.nav-label {
  display: block;
  font-size: .68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #475569;
  padding: .5rem .5rem .3rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .55rem .65rem;
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  font-size: .88rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  margin-bottom: 2px;
  text-decoration: none;
  position: relative;
}
.nav-item svg { width: 17px; height: 17px; flex-shrink: 0; }
.nav-item span:first-of-type { flex: 1; }

.nav-item:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-active);
  text-decoration: none;
}
.nav-item.active {
  background: rgba(59,130,246,.18);
  color: #93c5fd;
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 25%; bottom: 25%;
  width: 3px;
  background: var(--sidebar-accent);
  border-radius: 0 3px 3px 0;
}

.nav-badge {
  font-size: .7rem; font-weight: 700;
  padding: 1px 6px;
  border-radius: 20px;
  line-height: 1.6;
}
.nav-badge--green { background: rgba(16,185,129,.2); color: #34d399; }
.nav-badge--red   { background: rgba(239,68,68,.2);  color: #f87171; }

/* Footer del sidebar */
.sidebar-footer {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: .9rem 1rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.user-avatar {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border-radius: 50%;
  color: #fff;
  font-size: .8rem; font-weight: 700;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.user-details { flex: 1; min-width: 0; }
.user-name { display: block; color: #e2e8f0; font-size: .82rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { display: block; color: var(--sidebar-text); font-size: .72rem; }

.btn-logout {
  color: #64748b;
  transition: color var(--transition);
  flex-shrink: 0;
}
.btn-logout:hover { color: #f87171; text-decoration: none; }
.btn-logout svg { width: 17px; height: 17px; display: block; }

/* Overlay móvil */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 99;
}

/* ── Main wrapper ───────────────────────────────────────────── */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-width: 0;
}

/* Topbar */
.topbar {
  position: sticky; top: 0;
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.menu-toggle {
  display: none;
  background: none; border: none;
  cursor: pointer; color: var(--text-secondary);
  padding: .3rem;
}
.menu-toggle svg { width: 20px; height: 20px; display: block; }

.topbar-title h1 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar-title { flex: 1; }

.topbar-date {
  display: flex; align-items: center; gap: .4rem;
  color: var(--text-muted); font-size: .82rem;
  white-space: nowrap;
}
.topbar-date svg { width: 15px; height: 15px; }

/* Contenido */
.main-content {
  flex: 1;
  padding: 1.75rem 1.5rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: .9rem 1.5rem;
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: .78rem;
  background: var(--surface);
  flex-wrap: wrap; gap: .5rem;
}

/* ── Tarjetas dashboard ─────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.4rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }

.card-label {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: .5rem;
}
.card-value {
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.1;
  font-family: 'DM Mono', monospace;
}
.card-sub {
  font-size: .78rem;
  color: var(--text-muted);
  margin-top: .3rem;
}

.card-icon {
  position: absolute; right: 1.2rem; top: 50%;
  transform: translateY(-50%);
  width: 42px; height: 42px;
  border-radius: 10px;
  display: grid; place-items: center;
  opacity: .85;
}
.card-icon svg { width: 22px; height: 22px; }

/* Variantes de color para tarjetas */
.card--green  { border-left: 3px solid var(--green); }
.card--green .card-value { color: var(--green); }
.card--green .card-icon { background: var(--green-bg); color: var(--green); }

.card--red    { border-left: 3px solid var(--red); }
.card--red .card-value { color: var(--red); }
.card--red .card-icon { background: var(--red-bg); color: var(--red); }

.card--blue   { border-left: 3px solid var(--blue); }
.card--blue .card-value { color: var(--blue); }
.card--blue .card-icon { background: var(--blue-bg); color: var(--blue); }

.card--amber  { border-left: 3px solid var(--amber); }
.card--amber .card-value { color: var(--amber); }
.card--amber .card-icon { background: var(--amber-bg); color: var(--amber); }

.card--purple { border-left: 3px solid var(--purple); }
.card--purple .card-value { color: var(--purple); }
.card--purple .card-icon { background: var(--purple-bg); color: var(--purple); }

.card--negative .card-value { color: var(--red) !important; }
.card--positive .card-value { color: var(--green) !important; }

/* ── Sección / Panel ───────────────────────────────────────── */
.panel {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.panel-header {
  padding: 1rem 1.4rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  flex-wrap: wrap;
}
.panel-title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text-primary);
}
.panel-body { padding: 1.25rem 1.4rem; }

/* Gráfica de barras sencilla */
.bar-chart {
  display: flex;
  gap: .4rem;
  align-items: flex-end;
  height: 120px;
  padding: .5rem 0;
}
.bar-group {
  flex: 1;
  display: flex;
  gap: 2px;
  align-items: flex-end;
}
.bar {
  flex: 1;
  border-radius: 4px 4px 0 0;
  min-height: 4px;
  transition: opacity var(--transition);
  cursor: default;
  position: relative;
}
.bar:hover::after {
  content: attr(data-val);
  position: absolute; bottom: 100%; left: 50%;
  transform: translateX(-50%);
  background: var(--text-primary); color: #fff;
  font-size: .7rem; white-space: nowrap;
  padding: 2px 6px; border-radius: 4px;
  pointer-events: none;
}
.bar--in  { background: var(--green); opacity: .85; }
.bar--out { background: var(--red);   opacity: .8;  }
.bar-labels {
  display: flex; gap: .4rem;
  font-size: .68rem; color: var(--text-muted);
  justify-content: flex-end;
  margin-top: .4rem;
}
.bar-label-item { display: flex; align-items: center; gap: .3rem; }
.bar-dot { width: 8px; height: 8px; border-radius: 2px; }

/* ── Filtro de periodos ────────────────────────────────────── */
.filtro-periodo {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.4rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
}
.filtro-periodo form {
  display: flex;
  align-items: flex-end;
  gap: .75rem;
  flex-wrap: wrap;
  width: 100%;
}
.grupo-filtro { display: flex; flex-direction: column; gap: .3rem; }
.grupo-filtro label { font-size: .78rem; font-weight: 600; color: var(--text-secondary); }

.periodo-tabs {
  display: flex;
  gap: .3rem;
  flex-wrap: wrap;
}
.periodo-tab {
  padding: .4rem .8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .8rem; font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface-2);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.periodo-tab:hover { background: var(--blue-bg); border-color: var(--blue-border); color: var(--blue); text-decoration: none; }
.periodo-tab.active { background: var(--blue); border-color: var(--blue); color: #fff; }

/* ── Formularios ────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.form-full { grid-column: 1 / -1; }

.form-group { display: flex; flex-direction: column; gap: .3rem; }

label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="password"],
input[type="email"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: .6rem .85rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .65rem center;
  padding-right: 2.2rem;
}

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

.form-text { font-size: .78rem; color: var(--text-muted); margin-top: .2rem; }
.field-error { font-size: .78rem; color: var(--red); margin-top: .2rem; }

input.error, select.error, textarea.error { border-color: var(--red); }

/* ── Botones ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .58rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 600;
  font-family: inherit;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; }

.btn-primary { background: var(--btn-primary); color: #fff; border-color: var(--btn-primary); }
.btn-primary:hover { background: var(--btn-primary-h); border-color: var(--btn-primary-h); text-decoration: none; color: #fff; }

.btn-success { background: var(--btn-success); color: #fff; border-color: var(--btn-success); }
.btn-success:hover { background: var(--btn-success-h); border-color: var(--btn-success-h); text-decoration: none; color: #fff; }

.btn-danger { background: var(--btn-danger); color: #fff; border-color: var(--btn-danger); }
.btn-danger:hover { background: var(--btn-danger-h); border-color: var(--btn-danger-h); text-decoration: none; color: #fff; }

.btn-secondary {
  background: var(--surface);
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--surface-2); color: var(--text-primary); text-decoration: none; }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--surface-2); text-decoration: none; }

.btn-sm { padding: .38rem .75rem; font-size: .8rem; }
.btn-lg { padding: .75rem 1.5rem; font-size: .95rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-group { display: flex; gap: .4rem; flex-wrap: wrap; }

/* ── Alertas ─────────────────────────────────────────────────── */
.alert {
  padding: .85rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  display: flex; align-items: flex-start; gap: .6rem;
}
.alert-success { background: var(--green-bg); border-color: var(--green-border); color: #065f46; }
.alert-danger   { background: var(--red-bg);   border-color: var(--red-border);   color: #991b1b; }
.alert-warning  { background: var(--amber-bg); border-color: #fcd34d;             color: #92400e; }
.alert-info     { background: var(--blue-bg);  border-color: var(--blue-border);  color: #1e40af; }

/* ── Tablas ──────────────────────────────────────────────────── */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

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

thead th {
  background: var(--surface-2);
  padding: .75rem 1rem;
  text-align: left;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody td {
  padding: .8rem 1rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  vertical-align: middle;
}

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

tbody tr:hover td { background: var(--surface-2); }

tfoot td {
  padding: .8rem 1rem;
  border-top: 2px solid var(--border);
  font-weight: 700;
  font-size: .875rem;
  background: var(--surface-2);
}

.td-num { text-align: right; font-family: 'DM Mono', monospace; }
.td-center { text-align: center; }
.td-actions { text-align: right; white-space: nowrap; }

.tag {
  display: inline-block;
  padding: .2rem .55rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
}
.tag-green  { background: var(--green-bg); color: #065f46; }
.tag-red    { background: var(--red-bg);   color: #991b1b; }
.tag-blue   { background: var(--blue-bg);  color: #1e40af; }
.tag-amber  { background: var(--amber-bg); color: #92400e; }
.tag-gray   { background: #f1f5f9; color: var(--text-muted); }

/* ── Búsqueda y filtros de tabla ─────────────────────────────── */
.tabla-toolbar {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.tabla-toolbar .search-box {
  position: relative;
  flex: 1; min-width: 180px;
}
.search-box svg {
  position: absolute; left: .7rem; top: 50%;
  transform: translateY(-50%);
  width: 15px; height: 15px; color: var(--text-muted);
  pointer-events: none;
}
.search-box input { padding-left: 2.2rem; }

/* ── Paginación ──────────────────────────────────────────────── */
.paginacion {
  display: flex; gap: .3rem;
  justify-content: flex-end;
  padding: .9rem 1.4rem;
  border-top: 1px solid var(--border);
}
.paginacion a {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  font-size: .82rem; font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: all var(--transition);
  text-decoration: none;
}
.paginacion a:hover { background: var(--blue-bg); border-color: var(--blue-border); color: var(--blue); }
.paginacion a.activa { background: var(--blue); border-color: var(--blue); color: #fff; }

/* ── Movimientos recientes ───────────────────────────────────── */
.movimiento-list { display: flex; flex-direction: column; }

.movimiento-item {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .75rem 0;
  border-bottom: 1px solid var(--border-light);
}
.movimiento-item:last-child { border-bottom: none; }

.movimiento-ico {
  width: 36px; height: 36px;
  border-radius: 9px;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.movimiento-ico svg { width: 17px; height: 17px; }
.movimiento-ico--in  { background: var(--green-bg); color: var(--green); }
.movimiento-ico--out { background: var(--red-bg);   color: var(--red); }

.movimiento-info { flex: 1; min-width: 0; }
.movimiento-concepto { font-size: .875rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.movimiento-meta { font-size: .75rem; color: var(--text-muted); margin-top: 1px; }

.movimiento-monto { font-family: 'DM Mono', monospace; font-size: .9rem; font-weight: 600; text-align: right; white-space: nowrap; }
.movimiento-monto--in  { color: var(--green); }
.movimiento-monto--out { color: var(--red); }

/* ── Gastos por categoría ────────────────────────────────────── */
.cat-list { display: flex; flex-direction: column; gap: .6rem; }

.cat-item {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.cat-nombre { flex: 1; font-size: .875rem; }
.cat-bar-wrap { flex: 2; height: 8px; background: var(--border); border-radius: 20px; overflow: hidden; }
.cat-bar-fill { height: 100%; background: var(--red); border-radius: 20px; transition: width .5s ease; }
.cat-monto { font-family: 'DM Mono', monospace; font-size: .82rem; font-weight: 600; color: var(--red); min-width: 90px; text-align: right; }

/* ── Login ───────────────────────────────────────────────────── */
body.login-body {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.login-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 400px;
  padding: 2.5rem;
  margin: 1rem;
}
.login-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 2rem;
}
.login-logo-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border-radius: 10px;
  display: grid; place-items: center;
  color: #fff;
}
.login-logo-icon svg { width: 22px; height: 22px; }
.login-logo-text h2 { font-size: 1.35rem; font-weight: 700; color: var(--text-primary); }
.login-logo-text p { font-size: .82rem; color: var(--text-muted); }

/* ── Modal de confirmación ───────────────────────────────────── */
.modal-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(15,23,42,.6);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  max-width: 380px;
  width: 90%;
  text-align: center;
}
.modal-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.modal h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: .5rem; }
.modal p { font-size: .875rem; color: var(--text-secondary); margin-bottom: 1.5rem; }
.modal-actions { display: flex; gap: .6rem; justify-content: center; }

/* ── Utilidades ──────────────────────────────────────────────── */
.text-green  { color: var(--green) !important; }
.text-red    { color: var(--red)   !important; }
.text-blue   { color: var(--blue)  !important; }
.text-muted  { color: var(--text-muted) !important; }
.text-right  { text-align: right; }
.text-center { text-align: center; }
.text-mono   { font-family: 'DM Mono', monospace; }

.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: .5rem; }
.flex-wrap { flex-wrap: wrap; }

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
}
.empty-state svg { width: 48px; height: 48px; opacity: .3; margin: 0 auto .75rem; display: block; }
.empty-state p { font-size: .9rem; }

/* Print */
@media print {
  .sidebar, .topbar, .menu-toggle, .btn, .tabla-toolbar, .paginacion,
  .filtro-periodo .btn, .no-print { display: none !important; }
  .main-wrapper { margin-left: 0; }
  .panel { box-shadow: none; border: 1px solid #ddd; }
  body { background: #fff; }
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-overlay.open {
    display: block;
  }
  .main-wrapper {
    margin-left: 0;
  }
  .menu-toggle {
    display: block;
  }
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .topbar-date { display: none; }
  .main-content { padding: 1.25rem 1rem; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .cards-grid { grid-template-columns: 1fr 1fr; }
  .card-value { font-size: 1.2rem; }
  .card-icon { display: none; }
}