/* =====================================================================
   Sistema de Cobros y Pagos — hoja de estilos principal
   Diseño empresarial minimalista sobre Bootstrap 5.
   ===================================================================== */

:root {
  --scp-navy:        #16243c;
  --scp-navy-soft:   #1f3355;
  --scp-accent:      #2f6fed;
  --scp-accent-dark: #1b53c4;
  --scp-bg:          #f4f6fa;
  --scp-card:        #ffffff;
  --scp-border:      #e4e8f0;
  --scp-text:        #1f2733;
  --scp-muted:       #6b7684;
  --scp-danger:      #dc3545;
  --scp-orange:      #fd7e14;
  --scp-warning:     #f0ad2e;
  --scp-success:     #17915c;
  --scp-sidebar-w:   256px;
  --scp-topbar-h:    58px;
  --scp-radius:      10px;
  --scp-shadow:      0 1px 2px rgba(16, 30, 54, .06), 0 2px 8px rgba(16, 30, 54, .05);
}

* { -webkit-tap-highlight-color: transparent; }

body {
  background: var(--scp-bg);
  color: var(--scp-text);
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: .9rem;
  overflow-x: hidden;
}

a { text-decoration: none; }
.text-muted-2 { color: var(--scp-muted) !important; }

/* ------------------------------ Layout ----------------------------- */

.scp-sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--scp-sidebar-w);
  background: var(--scp-navy);
  color: #c8d2e0;
  z-index: 1045;
  display: flex;
  flex-direction: column;
  transition: transform .22s ease;
}
.scp-main {
  margin-left: var(--scp-sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left .22s ease;
}
.scp-content { padding: 1.15rem 1.25rem 2.5rem; flex: 1 1 auto; }

/* Marca */
.scp-brand {
  display: flex; align-items: center; gap: .6rem;
  height: var(--scp-topbar-h);
  padding: 0 1rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  flex: 0 0 auto;
}
.scp-brand-logo {
  width: 32px; height: 32px; flex: 0 0 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--scp-accent), #7aa5ff);
  display: grid; place-items: center;
  color: #fff; font-size: 1rem;
}
.scp-brand-text { color: #fff; font-weight: 600; font-size: .93rem; line-height: 1.1; }
.scp-brand-text small { display: block; color: #7f8ea6; font-size: .68rem; font-weight: 400; }

/* Menú */
.scp-nav { overflow-y: auto; overflow-x: hidden; flex: 1 1 auto; padding: .6rem 0 1.5rem; }
.scp-nav::-webkit-scrollbar { width: 6px; }
.scp-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.14); border-radius: 3px; }

.scp-nav-title {
  padding: .9rem 1.1rem .35rem;
  font-size: .66rem; letter-spacing: .09em; text-transform: uppercase;
  color: #66748c; font-weight: 600;
}
.scp-nav a.scp-link,
.scp-nav .scp-link {
  display: flex; align-items: center; gap: .65rem;
  padding: .5rem 1.1rem;
  color: #c2cdde; font-size: .845rem;
  border-left: 3px solid transparent;
  transition: background .13s, color .13s;
  cursor: pointer;
}
.scp-nav .scp-link:hover { background: rgba(255,255,255,.055); color: #fff; }
.scp-nav .scp-link.active {
  background: rgba(47,111,237,.16);
  color: #fff; font-weight: 500;
  border-left-color: var(--scp-accent);
}
.scp-nav .scp-link i:first-child { font-size: 1rem; width: 18px; text-align: center; flex: 0 0 18px; }
.scp-nav .scp-link .scp-caret { margin-left: auto; font-size: .7rem; transition: transform .18s; }
.scp-nav .scp-link[aria-expanded="true"] .scp-caret { transform: rotate(90deg); }
.scp-nav .scp-badge {
  margin-left: auto; background: var(--scp-danger); color: #fff;
  border-radius: 10px; padding: .05rem .4rem; font-size: .66rem; font-weight: 600;
}
.scp-nav .scp-link.active .scp-badge { background: #fff; color: var(--scp-navy); }

/* Submenú */
.scp-sub { list-style: none; padding: 0; margin: 0; background: rgba(0,0,0,.16); }
.scp-sub a {
  display: flex; align-items: center; gap: .5rem;
  padding: .42rem 1.1rem .42rem 2.75rem;
  color: #a9b6ca; font-size: .81rem;
  border-left: 3px solid transparent;
}
.scp-sub a:hover { color: #fff; background: rgba(255,255,255,.05); }
.scp-sub a.active { color: #fff; border-left-color: var(--scp-accent); background: rgba(47,111,237,.12); }
.scp-sub a .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .55; flex: 0 0 6px; }

/* ------------------------------ Topbar ----------------------------- */

.scp-topbar {
  height: var(--scp-topbar-h);
  background: #fff;
  border-bottom: 1px solid var(--scp-border);
  display: flex; align-items: center; gap: .75rem;
  padding: 0 1rem;
  position: sticky; top: 0; z-index: 1030;
}
.scp-search { position: relative; flex: 1 1 auto; max-width: 460px; }
.scp-search input {
  height: 36px; padding-left: 2.1rem; font-size: .85rem;
  background: var(--scp-bg); border: 1px solid transparent; border-radius: 8px;
}
.scp-search input:focus { background: #fff; border-color: var(--scp-accent); box-shadow: 0 0 0 3px rgba(47,111,237,.12); }
.scp-search > i { position: absolute; left: .72rem; top: 50%; transform: translateY(-50%); color: var(--scp-muted); font-size: .9rem; }

.scp-icon-btn {
  width: 36px; height: 36px; border-radius: 8px; border: 0; background: transparent;
  color: var(--scp-text); display: grid; place-items: center; position: relative; font-size: 1.05rem;
}
.scp-icon-btn:hover { background: var(--scp-bg); }
.scp-bell-count {
  position: absolute; top: 1px; right: 1px;
  min-width: 17px; height: 17px; padding: 0 4px;
  border-radius: 9px; background: var(--scp-danger); color: #fff;
  font-size: .63rem; font-weight: 700; display: grid; place-items: center;
  border: 2px solid #fff;
}
.scp-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--scp-accent); color: #fff;
  display: grid; place-items: center; font-size: .73rem; font-weight: 700; flex: 0 0 32px;
}

/* Panel de notificaciones */
.scp-notif-panel { width: min(370px, calc(100vw - 20px)); padding: 0; border: 1px solid var(--scp-border); box-shadow: var(--scp-shadow); }
.scp-notif-head { padding: .65rem .9rem; border-bottom: 1px solid var(--scp-border); display: flex; align-items: center; justify-content: space-between; }
.scp-notif-list { max-height: 380px; overflow-y: auto; }
.scp-notif-item { display: flex; gap: .6rem; padding: .65rem .9rem; border-bottom: 1px solid #f1f3f7; color: inherit; }
.scp-notif-item:hover { background: #f8f9fc; }
.scp-notif-item.unread { background: #f2f7ff; }
.scp-notif-item.unread:hover { background: #e9f1ff; }
.scp-notif-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: .35rem; flex: 0 0 8px; }
.scp-notif-item .t { font-weight: 600; font-size: .8rem; margin: 0 0 .1rem; }
.scp-notif-item .m { font-size: .765rem; color: var(--scp-muted); margin: 0; line-height: 1.35; }
.scp-notif-item .d { font-size: .68rem; color: #9aa4b2; margin-top: .15rem; }

/* ------------------------------ Tarjetas ---------------------------- */

.card { border: 1px solid var(--scp-border); border-radius: var(--scp-radius); box-shadow: var(--scp-shadow); }
.card-header {
  background: #fff; border-bottom: 1px solid var(--scp-border);
  padding: .7rem 1rem; font-weight: 600; font-size: .87rem;
  border-radius: var(--scp-radius) var(--scp-radius) 0 0 !important;
  display: flex; align-items: center; gap: .5rem; flex-wrap: wrap;
}

.kpi {
  background: #fff; border: 1px solid var(--scp-border); border-radius: var(--scp-radius);
  padding: .85rem .95rem; height: 100%;
  box-shadow: var(--scp-shadow);
  position: relative; overflow: hidden;
  transition: transform .12s, box-shadow .12s;
  display: block; color: inherit;
}
a.kpi:hover { transform: translateY(-2px); box-shadow: 0 4px 14px rgba(16,30,54,.10); color: inherit; }
.kpi::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--k, var(--scp-accent)); }
.kpi-label { font-size: .68rem; text-transform: uppercase; letter-spacing: .05em; color: var(--scp-muted); font-weight: 600; margin: 0 0 .3rem; display: flex; align-items: center; gap: .35rem; }
.kpi-value { font-size: 1.2rem; font-weight: 700; line-height: 1.15; letter-spacing: -.01em; }
.kpi-sub { font-size: .72rem; color: var(--scp-muted); margin-top: .2rem; }
.kpi-icon { position: absolute; right: .6rem; top: .55rem; font-size: 1.5rem; opacity: .1; color: var(--k); }

/* ------------------------------ Tablas ------------------------------ */

.table-wrap { overflow-x: auto; }
.table { font-size: .83rem; margin: 0; }
.table > thead > tr > th {
  background: #f7f9fc; color: var(--scp-muted);
  font-size: .69rem; text-transform: uppercase; letter-spacing: .045em; font-weight: 600;
  border-bottom: 1px solid var(--scp-border); white-space: nowrap; padding: .55rem .7rem; vertical-align: middle;
}
.table > tbody > tr > td { padding: .55rem .7rem; vertical-align: middle; border-bottom: 1px solid #f0f2f6; }
.table > tbody > tr:last-child > td { border-bottom: 0; }
.table-hover > tbody > tr:hover > * { background: #f8fafd; }
.table thead th a { color: inherit; display: inline-flex; align-items: center; gap: .25rem; }
.table thead th a:hover { color: var(--scp-accent); }
.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.table .actions { white-space: nowrap; text-align: right; width: 1%; }
.table .actions .btn { --bs-btn-padding-y: .15rem; --bs-btn-padding-x: .4rem; --bs-btn-font-size: .78rem; }

.empty-state { padding: 2.5rem 1rem; text-align: center; color: var(--scp-muted); }
.empty-state i { font-size: 2.4rem; opacity: .3; display: block; margin-bottom: .6rem; }

/* ------------------------------ Estados ----------------------------- */

.badge-state {
  display: inline-flex; align-items: center; gap: .28rem;
  font-size: .7rem; font-weight: 600; padding: .2rem .5rem; border-radius: 20px; white-space: nowrap;
}
.badge-state::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.st-danger    { background: #fdecee; color: #b02a37; }
.st-orange    { background: #fff2e5; color: #b35309; }
.st-warning   { background: #fff8e1; color: #96700c; }
.st-primary   { background: #eaf1fe; color: #1b53c4; }
.st-success   { background: #e7f6ee; color: #0f6c45; }
.st-secondary { background: #eef0f3; color: #5c6672; }

/* Fila destacada según urgencia */
tr.row-vencido  td:first-child { box-shadow: inset 3px 0 0 var(--scp-danger); }
tr.row-critico  td:first-child { box-shadow: inset 3px 0 0 var(--scp-orange); }
tr.row-proximo  td:first-child { box-shadow: inset 3px 0 0 var(--scp-warning); }

.days-pill { font-size: .71rem; font-weight: 600; white-space: nowrap; }
.days-pill.d-vencido { color: var(--scp-danger); }
.days-pill.d-critico { color: var(--scp-orange); }
.days-pill.d-proximo { color: #96700c; }
.days-pill.d-normal  { color: var(--scp-muted); font-weight: 500; }

/* Barra de progreso de cobro/pago */
.mini-progress { height: 4px; border-radius: 2px; background: #eceff4; overflow: hidden; margin-top: .2rem; }
.mini-progress > span { display: block; height: 100%; background: var(--scp-success); }

/* ------------------------- Lista de vencimientos -------------------- */

.due-item {
  display: flex; align-items: center; gap: .75rem;
  padding: .6rem .9rem; border-bottom: 1px solid #f0f2f6; color: inherit;
}
.due-item:last-child { border-bottom: 0; }
.due-item:hover { background: #f8fafd; color: inherit; }
.due-mark { width: 4px; align-self: stretch; border-radius: 2px; flex: 0 0 4px; min-height: 34px; }
.due-body { flex: 1 1 auto; min-width: 0; }
.due-title { font-weight: 600; font-size: .83rem; margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.due-meta { font-size: .73rem; color: var(--scp-muted); margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.due-right { text-align: right; flex: 0 0 auto; }
.due-amount { font-weight: 700; font-size: .85rem; font-variant-numeric: tabular-nums; }

/* ------------------------------ Formularios ------------------------- */

.form-label { font-size: .78rem; font-weight: 600; color: #46505d; margin-bottom: .25rem; }
.form-label .req { color: var(--scp-danger); }
.form-control, .form-select { font-size: .85rem; border-color: #d9dee7; border-radius: 7px; }
.form-control:focus, .form-select:focus { border-color: var(--scp-accent); box-shadow: 0 0 0 3px rgba(47,111,237,.12); }
.form-control-lg, .form-select-lg { font-size: .95rem; }
.input-group-text { background: #f7f9fc; border-color: #d9dee7; font-size: .82rem; color: var(--scp-muted); }
.form-text { font-size: .74rem; }
textarea.form-control { min-height: 72px; }
.form-section { border-top: 1px solid var(--scp-border); margin: 1.1rem 0 .85rem; padding-top: .85rem; }
.form-section:first-of-type { border-top: 0; margin-top: 0; padding-top: 0; }
.form-section-title { font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; color: var(--scp-muted); font-weight: 700; margin-bottom: .7rem; }
.is-invalid ~ .invalid-feedback { display: block; }
input[type="number"].no-spin::-webkit-outer-spin-button,
input[type="number"].no-spin::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* Filtros */
.filter-bar { background: #fff; border: 1px solid var(--scp-border); border-radius: var(--scp-radius); padding: .75rem .85rem; margin-bottom: .9rem; box-shadow: var(--scp-shadow); }
.filter-bar .form-label { font-size: .7rem; margin-bottom: .15rem; }
.filter-bar .form-control, .filter-bar .form-select { font-size: .81rem; height: 33px; padding-top: .2rem; padding-bottom: .2rem; }
.filter-chip { display: inline-flex; align-items: center; gap: .3rem; background: #eaf1fe; color: #1b53c4; border-radius: 20px; padding: .12rem .5rem; font-size: .72rem; }
.filter-chip a { color: inherit; opacity: .65; }
.filter-chip a:hover { opacity: 1; }

/* Botones */
.btn { font-size: .845rem; border-radius: 7px; font-weight: 500; }
.btn-primary { background: var(--scp-accent); border-color: var(--scp-accent); }
.btn-primary:hover, .btn-primary:focus { background: var(--scp-accent-dark); border-color: var(--scp-accent-dark); }
.btn-sm { font-size: .78rem; }
.btn-icon { display: inline-flex; align-items: center; gap: .35rem; }

/* Encabezado de página */
.page-head { display: flex; align-items: center; justify-content: space-between; gap: .8rem; flex-wrap: wrap; margin-bottom: .9rem; }
.page-title { font-size: 1.12rem; font-weight: 700; margin: 0; letter-spacing: -.01em; }
.page-sub { font-size: .78rem; color: var(--scp-muted); margin: .1rem 0 0; }
.page-actions { display: flex; gap: .4rem; flex-wrap: wrap; }

/* ------------------------------ Calendario -------------------------- */

.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px; background: var(--scp-border); border: 1px solid var(--scp-border); border-radius: var(--scp-radius); overflow: hidden; }
.cal-dow { background: #f7f9fc; padding: .4rem; text-align: center; font-size: .68rem; font-weight: 700; text-transform: uppercase; color: var(--scp-muted); letter-spacing: .04em; }
.cal-day { background: #fff; min-height: 88px; padding: .3rem .35rem; position: relative; display: flex; flex-direction: column; gap: .12rem; }
.cal-day.other { background: #fbfcfd; }
.cal-day.today { background: #f2f7ff; }
.cal-day.today .cal-num { background: var(--scp-accent); color: #fff; }
.cal-num { font-size: .73rem; font-weight: 600; width: 21px; height: 21px; display: grid; place-items: center; border-radius: 50%; color: #46505d; }
.cal-day.other .cal-num { color: #b9c0ca; }
.cal-ev { font-size: .67rem; padding: .1rem .28rem; border-radius: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.cal-ev.pay { background: #fdecee; color: #b02a37; }
.cal-ev.rcv { background: #e7f6ee; color: #0f6c45; }
.cal-ev:hover { filter: brightness(.95); }
.cal-day .cal-link { position: absolute; inset: 0; }

/* ------------------------------ Timeline ---------------------------- */

.timeline { position: relative; padding-left: 1.4rem; }
.timeline::before { content: ""; position: absolute; left: 6px; top: .35rem; bottom: .35rem; width: 2px; background: var(--scp-border); }
.tl-item { position: relative; padding-bottom: .85rem; }
.tl-item::before { content: ""; position: absolute; left: -1.4rem; top: .3rem; width: 10px; height: 10px; border-radius: 50%; background: #fff; border: 2px solid var(--scp-accent); }
.tl-item.ok::before   { border-color: var(--scp-success); }
.tl-item.bad::before  { border-color: var(--scp-danger); }
.tl-time { font-size: .71rem; color: var(--scp-muted); }

/* ------------------------------ Login ------------------------------- */

.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 1.25rem; background: linear-gradient(135deg, #16243c 0%, #1f3355 50%, #274573 100%); }
.login-card { width: 100%; max-width: 400px; background: #fff; border-radius: 14px; box-shadow: 0 18px 48px rgba(9,17,32,.32); overflow: hidden; }
.login-head { padding: 1.8rem 1.8rem 1.1rem; text-align: center; }
.login-logo { width: 54px; height: 54px; border-radius: 14px; background: linear-gradient(135deg, var(--scp-accent), #7aa5ff); display: grid; place-items: center; color: #fff; font-size: 1.5rem; margin: 0 auto .85rem; }
.login-body { padding: 0 1.8rem 1.8rem; }
.login-foot { padding: .85rem; text-align: center; font-size: .74rem; color: var(--scp-muted); background: #f7f9fc; border-top: 1px solid var(--scp-border); }

/* ------------------------------ Utilidades -------------------------- */

.fs-7 { font-size: .8rem !important; }
.fs-8 { font-size: .72rem !important; }
.cursor-pointer { cursor: pointer; }
.text-orange { color: var(--scp-orange) !important; }
.bg-orange { background: var(--scp-orange) !important; }
.sticky-actions { position: sticky; bottom: 0; background: #fff; border-top: 1px solid var(--scp-border); padding: .7rem 1rem; margin: 0 -1rem -1rem; border-radius: 0 0 var(--scp-radius) var(--scp-radius); z-index: 5; }
.scroll-y-320 { max-height: 320px; overflow-y: auto; }
.tree-line { padding-left: 1.4rem; position: relative; }
.tree-line::before { content: "└"; position: absolute; left: .35rem; color: #c4ccd8; }

/* ------------------------------ Responsive -------------------------- */

.scp-backdrop { display: none; position: fixed; inset: 0; background: rgba(11,20,36,.5); z-index: 1040; }
.scp-backdrop.show { display: block; }

@media (max-width: 991.98px) {
  .scp-sidebar { transform: translateX(-100%); box-shadow: 4px 0 24px rgba(0,0,0,.25); }
  .scp-sidebar.open { transform: translateX(0); }
  .scp-main { margin-left: 0; }
  .scp-content { padding: .85rem .8rem 2.5rem; }
  .scp-search { max-width: none; }
}

@media (max-width: 575.98px) {
  .page-title { font-size: 1rem; }
  .kpi-value { font-size: 1.05rem; }
  .cal-day { min-height: 62px; }
  .cal-ev { font-size: .6rem; }
  .scp-topbar { padding: 0 .6rem; gap: .4rem; }
  .table { font-size: .8rem; }
  .page-actions .btn span.d-none-xs { display: none; }
}

@media print {
  .scp-sidebar, .scp-topbar, .page-actions, .filter-bar, .no-print, .pagination { display: none !important; }
  .scp-main { margin-left: 0; }
  .scp-content { padding: 0; }
  .card { box-shadow: none; border: 1px solid #ccc; }
  body { background: #fff; }
}