/* =========================================================
   Control de Valuos — Design System
   Inversiones Laínez S.A. de C.V.
   ========================================================= */
:root {
  --blue:    #2a78d6;
  --orange:  #eb6834;
  --green:   #1baf7a;
  --yellow:  #eda100;
  --purple:  #7c6af7;
  --slate:   #64748b;
  --red:     #dc2626;

  --bg:        #0f172a;
  --bg-dark:   #070e1c;
  --surface:   #1e293b;
  --surface2:  #263347;
  --border:    #334155;
  --text:      #f1f5f9;
  --muted:     #94a3b8;
  --shadow:    0 2px 12px rgba(0,0,0,.4);
}

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

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

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

/* ─── Layout ─────────────────────────────────────────── */
.app-layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--bg-dark);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform .3s;
}
.sidebar-logo {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo h2 { font-size: .95rem; font-weight: 700; color: var(--text); }
.sidebar-logo small { color: var(--muted); font-size: .72rem; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: .75rem 0; }
.nav-item {
  display: flex; align-items: center; gap: .75rem;
  padding: .65rem 1.25rem;
  color: var(--muted); text-decoration: none;
  font-size: .88rem; font-weight: 500;
  border-radius: 0; transition: all .15s;
  cursor: pointer; border: none; background: none; width: 100%; text-align: left;
}
.nav-item:hover { background: var(--surface); color: var(--text); }
.nav-item.active { background: var(--blue); color: #fff; }
.nav-item .icon { font-size: 1.1rem; width: 20px; text-align: center; }
.nav-sep { height: 1px; background: var(--border); margin: .5rem 1rem; }
.nav-label { padding: .5rem 1.25rem; font-size: .7rem; text-transform: uppercase;
             letter-spacing: .08em; color: var(--slate); font-weight: 600; }
.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  font-size: .78rem;
  color: var(--muted);
}
.sidebar-footer strong { color: var(--text); display: block; }

/* Main content */
.main {
  margin-left: 240px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Topbar */
.topbar {
  height: 56px;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  position: sticky; top: 0; z-index: 50;
}
.topbar h1 { font-size: 1.05rem; font-weight: 600; flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: .75rem; }
.badge-live {
  background: var(--green);
  color: #fff; font-size: .7rem; font-weight: 700;
  padding: .2rem .5rem; border-radius: 999px;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.6} }

/* Page content */
.page-content { padding: 1.5rem; }

/* Hamburger (mobile) */
.hamburger {
  display: none;
  background: none; border: none;
  color: var(--text); font-size: 1.4rem;
  cursor: pointer; padding: .25rem;
}
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6); z-index: 99;
}

/* ─── Cards / Grid ───────────────────────────────────── */
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin-bottom: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin-bottom: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; margin-bottom: 1.5rem; }

.stat-card {
  background: var(--surface);
  border-radius: .75rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
}
.stat-card.blue::before   { background: var(--blue); }
.stat-card.orange::before { background: var(--orange); }
.stat-card.green::before  { background: var(--green); }
.stat-card.yellow::before { background: var(--yellow); }
.stat-card.red::before    { background: var(--red); }
.stat-card.purple::before { background: var(--purple); }

.stat-label {
  font-size: .75rem; text-transform: uppercase;
  letter-spacing: .06em; color: var(--muted); font-weight: 600;
  margin-bottom: .4rem;
}
.stat-value {
  font-size: 1.75rem; font-weight: 800;
  color: var(--text); line-height: 1.1;
}
.stat-sub { font-size: .78rem; color: var(--muted); margin-top: .3rem; }
.stat-icon {
  position: absolute; top: 1rem; right: 1rem;
  font-size: 1.6rem; opacity: .3;
}
.stat-delta { display: inline-flex; align-items: center; gap: .25rem; font-size: .78rem; font-weight: 600; }
.stat-delta.up   { color: var(--green); }
.stat-delta.down { color: var(--red); }

.card {
  background: var(--surface);
  border-radius: .75rem;
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 1rem;
}
.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: .75rem;
}
.card-header h3 { font-size: .95rem; font-weight: 600; flex: 1; }
.card-body { padding: 1.25rem; }

/* ─── Tablas ────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
th { background: var(--surface2); color: var(--muted); font-size: .72rem;
     text-transform: uppercase; letter-spacing: .06em; padding: .65rem 1rem;
     text-align: left; font-weight: 600; white-space: nowrap; }
td { padding: .65rem 1rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface2); }
.td-amount { font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }
.td-actions { white-space: nowrap; }

/* ─── Badges / Pills ─────────────────────────────────── */
.pill {
  display: inline-flex; align-items: center; gap: .25rem;
  padding: .2rem .6rem; border-radius: 999px;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
}
.pill-green  { background: rgba(27,175,122,.15); color: #1baf7a; }
.pill-yellow { background: rgba(237,161,0,.15);  color: #eda100; }
.pill-orange { background: rgba(235,104,52,.15); color: #eb6834; }
.pill-red    { background: rgba(220,38,38,.15);  color: #dc2626; }
.pill-blue   { background: rgba(42,120,214,.15); color: #2a78d6; }
.pill-slate  { background: rgba(100,116,139,.15);color: #94a3b8; }

/* ─── Forms ─────────────────────────────────────────── */
.form-row { display: grid; gap: 1rem; margin-bottom: 1rem; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-group label {
  display: block; font-size: .78rem; font-weight: 600;
  color: var(--muted); margin-bottom: .35rem;
  text-transform: uppercase; letter-spacing: .04em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: .7rem .9rem;
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: .5rem; color: var(--text); font-size: .95rem;
  transition: border .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--blue);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-hint { font-size: .75rem; color: var(--muted); margin-top: .3rem; }

/* ─── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .6rem 1.1rem; border-radius: .5rem;
  font-size: .875rem; font-weight: 600;
  cursor: pointer; border: none; transition: all .15s;
  text-decoration: none;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #1a5db8; }
.btn-success { background: var(--green); color: #fff; }
.btn-success:hover { background: #158a60; }
.btn-danger  { background: var(--red); color: #fff; }
.btn-danger:hover  { background: #b91c1c; }
.btn-warning { background: var(--yellow); color: #000; }
.btn-ghost   { background: transparent; color: var(--muted); border: 1.5px solid var(--border); }
.btn-ghost:hover { background: var(--surface2); color: var(--text); }
.btn-sm { padding: .35rem .75rem; font-size: .78rem; }
.btn-lg { padding: .85rem 1.5rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }

/* ─── Alerts ─────────────────────────────────────────── */
.alert {
  padding: .85rem 1rem; border-radius: .5rem;
  font-size: .875rem; margin-bottom: 1rem;
  display: flex; align-items: flex-start; gap: .5rem;
}
.alert-success { background: rgba(27,175,122,.12); color: var(--green); border: 1px solid rgba(27,175,122,.3); }
.alert-error   { background: rgba(220,38,38,.12);  color: #f87171;      border: 1px solid rgba(220,38,38,.3); }
.alert-warning { background: rgba(237,161,0,.12);  color: var(--yellow); border: 1px solid rgba(237,161,0,.3); }
.alert-info    { background: rgba(42,120,214,.12); color: #60a5fa;      border: 1px solid rgba(42,120,214,.3); }

/* ─── Modal ───────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.modal {
  background: var(--surface);
  border-radius: .75rem;
  width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}
.modal-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: .75rem;
}
.modal-header h3 { flex: 1; font-size: 1rem; font-weight: 700; }
.modal-close {
  background: none; border: none; color: var(--muted);
  font-size: 1.4rem; cursor: pointer; padding: .25rem;
  transition: color .15s;
}
.modal-close:hover { color: var(--text); }
.modal-body { padding: 1.25rem; }
.modal-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  display: flex; gap: .75rem; justify-content: flex-end;
}

/* ─── Filters bar ─────────────────────────────────────── */
.filters-bar {
  display: flex; flex-wrap: wrap; gap: .75rem;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
}
.filters-bar select,
.filters-bar input[type=date],
.filters-bar input[type=text] {
  padding: .45rem .75rem;
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: .4rem; color: var(--text); font-size: .85rem;
}
.filters-bar select:focus,
.filters-bar input:focus { outline: none; border-color: var(--blue); }

/* ─── Empty state ─────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 3rem 1rem;
  color: var(--muted);
}
.empty-state .icon { font-size: 3rem; display: block; margin-bottom: 1rem; opacity: .4; }
.empty-state p { font-size: .9rem; }

/* ─── Campo (Mobile-first) ────────────────────────────── */
.campo-layout { max-width: 480px; margin: 0 auto; padding: 1rem; }
.campo-header {
  display: flex; align-items: center; gap: .75rem;
  padding: 1rem;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.campo-header h1 { font-size: 1rem; font-weight: 700; flex: 1; }

.tab-bar {
  display: flex;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 57px; z-index: 49;
}
.tab-btn {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  padding: .6rem .25rem;
  border: none; background: none; color: var(--muted);
  cursor: pointer; font-size: .68rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .04em;
  gap: .2rem; transition: color .15s;
  border-bottom: 2.5px solid transparent;
}
.tab-btn .icon { font-size: 1.3rem; }
.tab-btn.active { color: var(--blue); border-bottom-color: var(--blue); }

.section-title {
  font-size: .75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .08em; color: var(--muted);
  padding: .75rem 0 .4rem; margin-bottom: .5rem;
  border-bottom: 1px solid var(--border);
}

/* Category grid for gastos */
.cat-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: .75rem;
  margin-bottom: 1.25rem;
}
.cat-btn {
  display: flex; flex-direction: column; align-items: center;
  gap: .35rem; padding: .9rem .5rem;
  background: var(--surface); border: 2px solid var(--border);
  border-radius: .75rem; cursor: pointer;
  font-size: .75rem; font-weight: 600; color: var(--muted);
  transition: all .15s;
}
.cat-btn .icon { font-size: 1.75rem; }
.cat-btn.selected { border-color: var(--blue); background: rgba(42,120,214,.12); color: var(--blue); }

/* Quick amount buttons */
.amount-grid { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: .75rem; }
.amount-pill {
  padding: .35rem .75rem; border-radius: 999px;
  background: var(--surface2); border: 1.5px solid var(--border);
  color: var(--muted); font-size: .8rem; font-weight: 600;
  cursor: pointer; transition: all .15s;
}
.amount-pill:hover,
.amount-pill.active { background: var(--blue); border-color: var(--blue); color: #fff; }

/* Summary card (campo) */
.balance-card {
  background: linear-gradient(135deg, var(--blue), #1a5db8);
  border-radius: 1rem; padding: 1.25rem;
  margin-bottom: 1rem; color: #fff;
}
.balance-card .label { font-size: .75rem; opacity: .8; text-transform: uppercase; letter-spacing: .06em; }
.balance-card .value { font-size: 2rem; font-weight: 900; margin: .25rem 0; }
.balance-card .meta  { font-size: .8rem; opacity: .7; }
.balance-mini {
  display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-top: .75rem;
}
.balance-mini-item { background: rgba(255,255,255,.1); border-radius: .5rem; padding: .6rem; }
.balance-mini-item .lbl { font-size: .65rem; opacity: .8; text-transform: uppercase; }
.balance-mini-item .val { font-size: 1rem; font-weight: 800; }

/* Registro card */
.reg-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: .75rem; padding: 1rem;
  margin-bottom: .75rem;
}
.reg-card .rc-top { display: flex; align-items: flex-start; gap: .75rem; }
.reg-card .rc-icon { font-size: 1.5rem; }
.reg-card .rc-info { flex: 1; }
.reg-card .rc-title { font-size: .9rem; font-weight: 600; }
.reg-card .rc-sub   { font-size: .75rem; color: var(--muted); margin-top: .1rem; }
.reg-card .rc-amount{ font-size: 1.05rem; font-weight: 800; }
.rc-amount.cobro    { color: var(--green); }
.rc-amount.gasto    { color: var(--orange); }

/* ─── Misc ────────────────────────────────────────────── */
.text-green  { color: var(--green); }
.text-red    { color: var(--red); }
.text-yellow { color: var(--yellow); }
.text-orange { color: var(--orange); }
.text-muted  { color: var(--muted); }
.text-right  { text-align: right; }
.text-center { text-align: center; }
.fw-700      { font-weight: 700; }
.fw-900      { font-weight: 900; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.justify-between { justify-content: space-between; }

/* ─── Scrollbar ────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--slate); }

/* ─── Responsive ───────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }
  .main { margin-left: 0; }
  .hamburger { display: block; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .form-row.cols-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .form-row.cols-2,
  .form-row.cols-3 { grid-template-columns: 1fr; }
  .page-content { padding: 1rem .75rem; }
  table { font-size: .8rem; }
  th, td { padding: .5rem .6rem; }
}