/* ===========================================================
   BANCO INDEX — PORTAL TRANSACCIONAL (MOCKUP) — styles.css
   =========================================================== */

:root {
  --navy-900: #0b2545;
  --navy-800: #102a52;
  --navy-700: #163a6b;
  --teal-500: #0fb5ae;
  --teal-600: #0c9a93;
  --green-500: #1aa15a;
  --red-500: #d8454a;
  --amber-500: #e0a13b;
  --bg: #f4f6f9;
  --card-bg: #ffffff;
  --border: #e3e8ef;
  --text-900: #1b2330;
  --text-600: #5a6b7d;
  --text-400: #93a1b1;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(16, 42, 82, 0.06);
  --shadow-md: 0 8px 28px rgba(16, 42, 82, 0.14);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text-900);
}
a { color: var(--teal-600); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none !important; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

/* ---------- Buttons ---------- */
.btn {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  transition: all .15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.btn-primary { background: var(--teal-500); color: #fff; }
.btn-primary:hover { background: var(--teal-600); }
.btn-secondary { background: var(--navy-800); color: #fff; }
.btn-secondary:hover { background: var(--navy-900); }
.btn-ghost { background: transparent; color: var(--navy-800); border-color: var(--border); }
.btn-ghost:hover { background: #eef1f5; }
.btn-danger { background: var(--red-500); color: #fff; }
.btn-danger:hover { background: #c33136; }
.btn-block { width: 100%; }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Login ---------- */
.login-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(1200px 600px at 80% -10%, #163a6b 0%, var(--navy-900) 55%, #081a33 100%);
  padding: 24px;
}
.login-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 40px 36px 28px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow-md);
}
.login-brand { text-align: center; margin-bottom: 24px; }
.brand-logo {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--teal-500), var(--navy-700));
  color: #fff;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px;
  margin: 0 auto 12px;
}
.login-brand h1 { font-size: 22px; margin: 0; color: var(--navy-900); }
.login-brand p { margin: 2px 0 0; color: var(--text-600); font-size: 13px; }
.login-form { display: flex; flex-direction: column; gap: 14px; }
.login-form label { font-size: 13px; font-weight: 600; color: var(--text-600); display: flex; flex-direction: column; gap: 6px; }
.login-form input[type=text], .login-form input[type=password] {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 12px;
  font-size: 14px;
  color: var(--text-900);
}
.login-form input:focus { outline: none; border-color: var(--teal-500); box-shadow: 0 0 0 3px rgba(15,181,174,.15); }
.login-options { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; color: var(--text-600); }
.checkbox { display: flex; align-items: center; gap: 6px; font-weight: 400; }
.login-error {
  background: #fdeceb; color: var(--red-500); border: 1px solid #f3c6c6;
  border-radius: 8px; padding: 9px 12px; font-size: 13px;
}
.login-footer { text-align: center; margin-top: 20px; font-size: 13px; color: var(--text-600); }
.login-footer small { display: block; margin-top: 10px; color: var(--text-400); }
.login-disclaimer { color: #c7d3e6; font-size: 12px; max-width: 420px; text-align: center; margin-top: 22px; }

/* ---------- App Shell ---------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 260px;
  background: var(--navy-900);
  color: #cfdcef;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 40;
  transition: transform .2s ease;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 20px 18px; font-weight: 700; color: #fff; font-size: 16px; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 6px 10px; }
.nav-group { margin-bottom: 6px; }
.nav-group-title { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: #6f87ab; margin: 16px 10px 6px; }
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 8px;
  color: #cfdcef; font-size: 14px; font-weight: 500;
  margin-bottom: 2px;
}
.nav-link:hover { background: rgba(255,255,255,.06); text-decoration: none; }
.nav-link.active { background: var(--teal-500); color: #fff; }
.nav-icon { width: 20px; text-align: center; }
.sidebar-footer { padding: 14px; border-top: 1px solid rgba(255,255,255,.08); }
.sidebar-footer .btn-ghost { color: #cfdcef; border-color: rgba(255,255,255,.18); }
.sidebar-footer .btn-ghost:hover { background: rgba(255,255,255,.08); }

.sidebar-backdrop { display: none; }

.main-area { margin-left: 260px; flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: 64px; background: var(--card-bg); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 14px; padding: 0 22px;
  position: sticky; top: 0; z-index: 30;
}
.topbar-title { font-size: 18px; font-weight: 700; color: var(--navy-900); flex: 1; }
.icon-btn {
  background: transparent; border: none; font-size: 18px; position: relative;
  width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--navy-800);
}
.icon-btn:hover { background: #eef1f5; }
#sidebar-toggle { display: none; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.badge {
  position: absolute; top: 2px; right: 0px; background: var(--red-500); color: #fff;
  font-size: 10px; font-weight: 700; border-radius: 999px; padding: 1px 5px; min-width: 16px; text-align: center;
}
.user-menu { position: relative; }
.user-chip { display: flex; align-items: center; gap: 8px; background: transparent; border: none; padding: 6px 8px; border-radius: 999px; }
.user-chip:hover { background: #eef1f5; }
.avatar {
  width: 30px; height: 30px; border-radius: 50%; background: var(--teal-500); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 12.5px; font-weight: 700;
}
.user-chip-name { font-size: 14px; font-weight: 600; color: var(--text-900); }
.chevron { font-size: 11px; color: var(--text-400); }
.user-dropdown {
  position: absolute; right: 0; top: 46px; background: #fff; border: 1px solid var(--border);
  border-radius: 10px; box-shadow: var(--shadow-md); min-width: 170px; padding: 6px; z-index: 50;
}
.user-dropdown a { display: block; padding: 9px 12px; border-radius: 6px; color: var(--text-900); font-size: 14px; }
.user-dropdown a:hover { background: #f1f4f8; text-decoration: none; }

.app-content { padding: 24px 28px 60px; max-width: 1180px; width: 100%; margin: 0 auto; }

/* ---------- Generic content components ---------- */
.page-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 18px; flex-wrap: wrap; gap: 10px; }
.page-header h2 { margin: 0 0 4px; font-size: 22px; color: var(--navy-900); }
.page-header p { margin: 0; color: var(--text-600); font-size: 13.5px; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: var(--shadow);
}
.card-title { font-size: 13px; color: var(--text-600); font-weight: 600; margin: 0 0 6px; display:flex; align-items:center; justify-content: space-between;}
.card-value { font-size: 24px; font-weight: 800; color: var(--navy-900); margin: 0; }
.card-sub { font-size: 12.5px; color: var(--text-400); margin-top: 4px; }
.card-link { font-size: 13px; font-weight: 600; }

.product-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 10px;
}
.product-card .tag { align-self: flex-start; background: #e9f7f6; color: var(--teal-600); font-size: 11.5px; font-weight: 700; padding: 3px 9px; border-radius: 999px; text-transform: uppercase; letter-spacing: .03em; }
.product-card h3 { margin: 0; font-size: 16px; color: var(--navy-900); }
.product-card .num { font-family: 'Courier New', monospace; color: var(--text-400); font-size: 13px; }
.product-card .amount-row { display: flex; justify-content: space-between; align-items: baseline; margin-top: 4px; }
.product-card .amount-row .label { font-size: 12px; color: var(--text-600); }
.product-card .amount-row .value { font-size: 19px; font-weight: 700; color: var(--navy-900); }
.product-card .progress { height: 6px; background: #eef1f5; border-radius: 999px; overflow: hidden; margin-top: 4px;}
.product-card .progress > div { height: 100%; background: var(--teal-500); }
.product-card .actions { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }

table.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data-table th { text-align: left; color: var(--text-600); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; padding: 10px 12px; border-bottom: 1px solid var(--border); }
table.data-table td { padding: 11px 12px; border-bottom: 1px solid #eef1f5; color: var(--text-900); }
table.data-table tr:last-child td { border-bottom: none; }
.amount-pos { color: var(--green-500); font-weight: 700; }
.amount-neg { color: var(--text-900); font-weight: 600; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; flex-wrap: wrap; }
.tab-btn { background: transparent; border: none; padding: 10px 16px; font-size: 14px; font-weight: 600; color: var(--text-600); border-bottom: 2px solid transparent; }
.tab-btn.active { color: var(--teal-600); border-bottom-color: var(--teal-500); }

.form-grid { display: grid; gap: 14px; grid-template-columns: repeat(2, 1fr); }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.form-field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 600; color: var(--text-600); }
.form-field.full { grid-column: 1 / -1; }
.form-field input, .form-field select, .form-field textarea {
  border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: 14px; color: var(--text-900); background: #fff;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--teal-500); box-shadow: 0 0 0 3px rgba(15,181,174,.15); }
.form-help { font-size: 12px; color: var(--text-400); font-weight: 400; }
.form-actions { display: flex; gap: 10px; margin-top: 6px; grid-column: 1/-1; }

.status-badge { font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.status-evaluacion { background: #fdf3e0; color: var(--amber-500); }
.status-aprobada { background: #e8f7ec; color: var(--green-500); }
.status-rechazada { background: #fdeceb; color: var(--red-500); }
.status-pagada { background: #e8f7ec; color: var(--green-500); }
.status-pendiente { background: #fdf3e0; color: var(--amber-500); }

.empty-state { text-align: center; padding: 50px 20px; color: var(--text-400); }
.empty-state .icon { font-size: 38px; margin-bottom: 10px; }

.notif-item { display: flex; gap: 12px; padding: 14px; border-radius: 10px; border: 1px solid var(--border); margin-bottom: 10px; background: #fff; }
.notif-item.unread { background: #f4fbfb; border-color: #cdeceb; }
.notif-icon { font-size: 20px; }
.notif-body h4 { margin: 0 0 3px; font-size: 14px; color: var(--navy-900); }
.notif-body p { margin: 0; font-size: 13px; color: var(--text-600); }
.notif-body time { font-size: 11.5px; color: var(--text-400); }

.faq-item { border: 1px solid var(--border); border-radius: 10px; margin-bottom: 10px; overflow: hidden; background: #fff; }
.faq-q { width: 100%; text-align: left; background: #fff; border: none; padding: 14px 16px; font-weight: 600; font-size: 14px; display: flex; justify-content: space-between; color: var(--navy-900); }
.faq-a { padding: 0 16px; max-height: 0; overflow: hidden; transition: all .2s ease; color: var(--text-600); font-size: 13.5px; }
.faq-item.open .faq-a { max-height: 400px; padding: 0 16px 16px; }

.chip { display: inline-flex; align-items: center; gap: 4px; background: #eef1f5; color: var(--text-600); font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; }
.chip-on { background: #e8f7ec; color: var(--green-500); }
.chip-off { background: #fdeceb; color: var(--red-500); }

.bar-chart { display: flex; flex-direction: column; gap: 10px; }
.bar-row { display: grid; grid-template-columns: 130px 1fr 80px; align-items: center; gap: 10px; font-size: 13px; }
.bar-track { height: 10px; background: #eef1f5; border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 999px; background: var(--teal-500); }

.amort-table-wrap { max-height: 320px; overflow-y: auto; border: 1px solid var(--border); border-radius: 10px; }

.section-divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }

.kv-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; font-size: 14px; }
.kv-list .k { color: var(--text-600); }
.kv-list .v { font-weight: 600; color: var(--navy-900); }
@media (max-width: 640px) { .kv-list { grid-template-columns: 1fr; } }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(11,37,69,.5);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal-box {
  background: #fff; border-radius: 14px; padding: 26px; max-width: 460px; width: 100%;
  box-shadow: var(--shadow-md); max-height: 90vh; overflow-y: auto;
}
.modal-box h3 { margin: 0 0 10px; color: var(--navy-900); font-size: 18px; }
.modal-box p { color: var(--text-600); font-size: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.receipt { background: #f4f6f9; border-radius: 10px; padding: 16px; margin: 14px 0; }
.receipt .kv-list { font-size: 13.5px; }

/* ---------- Toasts ---------- */
.toast-container { position: fixed; top: 18px; right: 18px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: var(--navy-900); color: #fff; padding: 13px 18px; border-radius: 10px; box-shadow: var(--shadow-md);
  font-size: 14px; max-width: 320px; display: flex; gap: 10px; align-items: flex-start;
  animation: toast-in .2s ease;
}
.toast.success { background: var(--green-500); }
.toast.error { background: var(--red-500); }
.toast.info { background: var(--navy-700); }
@keyframes toast-in { from { transform: translateY(-8px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 35; }
  .sidebar-backdrop.show { display: block; }
  .main-area { margin-left: 0; }
  #sidebar-toggle { display: flex; }
  .app-content { padding: 18px 16px 50px; }
}