/* ============================================================
   Rendiciones de Gastos — Hoja de estilos principal
   Responsive, mobile-first.
   ============================================================ */

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-success: #16a34a;
  --color-danger: #dc2626;
  --color-warning: #d97706;
  --color-bg: #f1f5f9;
  --color-card: #ffffff;
  --color-text: #1e293b;
  --color-muted: #64748b;
  --color-border: #e2e8f0;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --maxw: 1080px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  font-size: 15px;
}

h1 { font-size: 1.5rem; margin: 0 0 .25rem; }
h2 { font-size: 1.15rem; margin: 0 0 .75rem; }
h3 { font-size: 1rem; margin: 0; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--color-muted); font-size: .9rem; }

/* ---------- Barra superior ---------- */
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 50;
}
.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .6rem 1rem;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; color: var(--color-text); }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-grid; place-items: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--color-primary); color: #fff; font-weight: 700;
}
.nav {
  display: flex; align-items: center; gap: 1rem;
  margin-left: auto; flex-wrap: wrap;
}
.nav a { color: var(--color-text); font-weight: 500; }
.nav .nav-logout { color: var(--color-danger); }
.nav-user { display: flex; align-items: center; gap: .4rem; }
.nav-name { font-size: .9rem; color: var(--color-muted); }
.nav-toggle {
  display: none;
  margin-left: auto;
  font-size: 1.4rem; background: none; border: none; cursor: pointer;
}

/* ---------- Contenedor ---------- */
.container { max-width: var(--maxw); margin: 1.25rem auto; padding: 0 1rem; }
.page-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap;
}

/* ---------- Tarjetas ---------- */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.cards-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1.25rem; }
.card.stat { display: flex; flex-direction: column; gap: .25rem; }
.stat-label { color: var(--color-muted); font-size: .85rem; }
.stat-value { font-size: 1.6rem; font-weight: 700; }
.card.empty { text-align: center; padding: 2.5rem 1rem; }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  padding: .55rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  font-size: .92rem; font-weight: 600;
  cursor: pointer; text-align: center;
  transition: background .15s, opacity .15s;
}
.btn:hover { text-decoration: none; background: #f8fafc; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-sm { padding: .35rem .7rem; font-size: .82rem; }
.btn-block { display: block; width: 100%; }
.btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-success { background: var(--color-success); border-color: var(--color-success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-danger { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-warning { background: var(--color-warning); border-color: var(--color-warning); color: #fff; }
.btn-warning:hover { background: #b45309; }
.btn-ghost { background: transparent; }

/* ---------- Tablas ---------- */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th, .table td { padding: .6rem .7rem; text-align: left; border-bottom: 1px solid var(--color-border); }
.table thead th { color: var(--color-muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }
.table tbody tr:hover { background: #f8fafc; }
.table tfoot th { border-top: 2px solid var(--color-border); border-bottom: none; }

/* ---------- Grupos por día ---------- */
.day-group { padding: 0; overflow: hidden; }
.day-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: .8rem 1.1rem; background: #f8fafc; border-bottom: 1px solid var(--color-border);
}
.day-total { font-size: .9rem; color: var(--color-muted); }
.day-group .table { margin: 0; }
.day-group .table td, .day-group .table th { padding-left: 1.1rem; }

/* ---------- Chips / badges ---------- */
.chip {
  display: inline-block; padding: .15rem .55rem; border-radius: 999px;
  background: #eef2ff; color: #3730a3; font-size: .78rem; font-weight: 600;
}
.badge {
  display: inline-block; padding: .15rem .55rem; border-radius: 999px;
  font-size: .75rem; font-weight: 700; color: #fff; background: var(--color-muted);
}
.badge-admin { background: #7c3aed; }
.badge-auditor { background: #0891b2; }
.badge-regular { background: #475569; }
.badge-pendiente { background: var(--color-warning); }
.badge-aprobada { background: var(--color-success); }
.badge-rechazada { background: var(--color-danger); }

.status-icon { font-size: 1.05rem; }

/* ---------- Barra de envío de rendición ---------- */
.rendir-bar {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46;
  padding: .85rem 1.1rem; border-radius: var(--radius); margin-bottom: 1.25rem; flex-wrap: wrap;
}

/* ---------- Formularios ---------- */
.form .field, .form-grid .field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; margin-bottom: .35rem; font-size: .92rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: .6rem .7rem; border: 1px solid var(--color-border);
  border-radius: 8px; font-size: .95rem; font-family: inherit; background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.hint { display: block; color: var(--color-muted); font-size: .8rem; margin-top: .3rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.25rem; }
.form-actions { display: flex; justify-content: flex-end; gap: .7rem; margin-top: .5rem; }
.form-actions-grid { grid-column: 1 / -1; }

/* ---------- OCR ---------- */
.ocr-status {
  display: flex; align-items: center; gap: .6rem; margin-top: .7rem;
  color: var(--color-primary); font-size: .9rem;
}
.spinner {
  width: 16px; height: 16px; border: 2px solid #cbd5e1; border-top-color: var(--color-primary);
  border-radius: 50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.ocr-preview { margin-top: .8rem; }
.ocr-preview img { max-width: 220px; max-height: 220px; border-radius: 8px; border: 1px solid var(--color-border); }

/* ---------- Acciones de revisión ---------- */
.review-actions { display: flex; gap: .8rem; flex-wrap: wrap; }
.review-actions form { margin: 0; }
.reject-form { margin-top: 1rem; max-width: 480px; }
.reject-form textarea { width: 100%; margin-bottom: .6rem; }
.action-card { border-color: #fde68a; }

/* ---------- Acciones por fila ---------- */
.row-actions { display: flex; gap: .4rem; flex-wrap: wrap; align-items: center; }
.inline { display: inline; margin: 0; }

/* ---------- Filtros / paginación ---------- */
.filters { display: flex; gap: .5rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; }
.chip-link {
  padding: .3rem .8rem; border-radius: 999px; border: 1px solid var(--color-border);
  color: var(--color-text); font-size: .85rem; font-weight: 600;
}
.chip-link:hover { text-decoration: none; background: #f1f5f9; }
.chip-link.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.pagination { display: flex; align-items: center; gap: 1rem; justify-content: center; margin-top: 1rem; }
.page-info { color: var(--color-muted); font-size: .9rem; }

/* ---------- Alertas ---------- */
.alert { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: .92rem; border: 1px solid; }
.alert-error { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.alert-success { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.alert-warning { background: #fffbeb; border-color: #fde68a; color: #92400e; }

/* ---------- Login ---------- */
.login-body {
  display: grid; place-items: center; min-height: 100vh;
  background: linear-gradient(135deg, #1e3a8a, #2563eb);
}
.login-wrap { width: 100%; max-width: 380px; padding: 1rem; }
.login-card { background: #fff; border-radius: 14px; padding: 2rem 1.8rem; box-shadow: 0 10px 30px rgba(0,0,0,.2); text-align: center; }
.login-logo {
  width: 56px; height: 56px; border-radius: 14px; margin: 0 auto 1rem;
  display: grid; place-items: center; background: var(--color-primary); color: #fff;
  font-size: 1.6rem; font-weight: 700;
}
.login-card h1 { font-size: 1.3rem; }
.login-sub { color: var(--color-muted); margin: 0 0 1.5rem; font-size: .9rem; }
.login-card form { text-align: left; }
.login-card label { display: block; font-weight: 600; margin: .8rem 0 .3rem; font-size: .9rem; }
.login-card input {
  width: 100%; padding: .65rem .75rem; border: 1px solid var(--color-border);
  border-radius: 8px; font-size: .95rem;
}
.login-card input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
.login-card .btn { margin-top: 1.3rem; }
.login-foot { text-align: center; color: rgba(255,255,255,.8); font-size: .8rem; margin-top: 1rem; }

/* ---------- Modal imagen ---------- */
.modal { display: none; position: fixed; inset: 0; z-index: 100; }
.modal.open { display: block; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.7); }
.modal-box {
  position: relative; max-width: 90vw; max-height: 88vh; margin: 5vh auto 0;
  background: #fff; padding: .5rem; border-radius: 10px; width: max-content;
}
.modal-box img { max-width: 86vw; max-height: 80vh; display: block; border-radius: 6px; }
.modal-close {
  position: absolute; top: -14px; right: -14px; width: 32px; height: 32px;
  border-radius: 50%; border: none; background: #fff; box-shadow: var(--shadow);
  font-size: 1.2rem; cursor: pointer; line-height: 1;
}

/* ---------- Pie ---------- */
.footer { text-align: center; color: var(--color-muted); font-size: .82rem; padding: 1.5rem 1rem 2rem; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav {
    display: none; width: 100%; flex-direction: column; align-items: flex-start;
    gap: .6rem; padding-top: .6rem;
  }
  .nav.open { display: flex; }
  .cards-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }

  /* Tablas en formato tarjeta */
  .table thead { display: none; }
  .table, .table tbody, .table tr, .table td { display: block; width: 100%; }
  .table tr { border: 1px solid var(--color-border); border-radius: 8px; margin-bottom: .7rem; padding: .3rem .2rem; }
  .table td { border: none; padding: .35rem .8rem; display: flex; justify-content: space-between; gap: 1rem; }
  .table td::before {
    content: attr(data-label);
    font-weight: 600; color: var(--color-muted); font-size: .8rem;
  }
  .table td[data-label=""]::before { content: ""; }
  .table tfoot, .table tfoot tr, .table tfoot th { display: block; width: 100%; }
  .row-actions { justify-content: flex-end; }
}