/* Bienestar UPC — estilo «Verde Institucional».
   Firma visual: campos de captura blancos «elevados» sobre fondo gris claro y fila de totales roja, como en el Excel. */
:root {
  --monte: #0F3D2E;       /* sidebar */
  --monte-2: #164A38;
  --hoja: #1F7A4D;        /* acento principal */
  --hoja-2: #17613D;
  --hoja-soft: #E7F2EC;
  --papel: #F4F7F5;       /* fondo */
  --card: #FFFFFF;
  --linea: #DDE6E0;
  --tinta: #17211C;
  --tinta-2: #55655C;
  --captura: #FFF3C4;     /* amarillo institucional (acentos) */
  --captura-borde: #E9B949;
  --campo-zona: #F7F9F8;  /* fondo de la zona de captura */
  --campo-sombra: 0 1px 2px rgba(15, 61, 46, .12), 0 2px 6px rgba(15, 61, 46, .08);
  --campo-foco: 0 0 0 2px var(--hoja), 0 4px 12px rgba(15, 61, 46, .15);
  --total: #B3261E;       /* fila de totales (rojo Excel) */
  --peligro: #B3261E;
  --aviso: #9A6A00;
  --radio: 10px;
  --sombra: 0 1px 2px rgba(15, 61, 46, .06), 0 4px 16px rgba(15, 61, 46, .05);
  --f-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --f-body: "Instrument Sans", "Segoe UI", system-ui, sans-serif;
  --f-num: "IBM Plex Mono", ui-monospace, "Cascadia Mono", monospace;
  --sidebar-w: 256px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: var(--f-body); font-size: 14.5px; color: var(--tinta); background: var(--papel); line-height: 1.45; }
a { color: var(--hoja); }
h1, h2, h3 { font-family: var(--f-display); letter-spacing: -.01em; margin: 0; }
:focus-visible { outline: 2px solid var(--captura-borde); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.num { font-family: var(--f-num); font-variant-numeric: tabular-nums; }
.muted { color: var(--tinta-2); }

/* ---------------------------------------------------------------- layout */
.shell { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: 100vh; }
.sidebar { background: var(--monte); color: #CFE3D8; position: sticky; top: 0; height: 100vh; overflow-y: auto;
  padding: 18px 12px 24px; display: flex; flex-direction: column; gap: 2px; scrollbar-width: thin; scrollbar-color: #2b5a48 transparent; }
.brand { display: flex; align-items: center; gap: 10px; padding: 2px 8px 18px; color: #fff; text-decoration: none; }
.brand-mark { width: 38px; height: 38px; border-radius: 10px; background: #F2C94C; color: var(--monte); display: grid; place-items: center;
  font-family: var(--f-display); font-weight: 800; font-size: 13px; letter-spacing: .02em; flex: none; }
.brand b { font-family: var(--f-display); font-size: 17px; display: block; line-height: 1.1; }
.brand small { font-size: 11px; opacity: .7; }
.nav-group { font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; opacity: .5; padding: 14px 10px 5px; }
.nav-link { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 8px; color: inherit; text-decoration: none; font-size: 13.5px; }
.nav-link:hover { background: var(--monte-2); color: #fff; }
.nav-link.active { background: var(--hoja); color: #fff; font-weight: 600; }
.nav-code { font-family: var(--f-num); font-size: 10.5px; min-width: 34px; opacity: .65; }
.nav-link.active .nav-code { opacity: .9; }
.nav-link i { font-size: 17px; opacity: .85; }
.sidebar-foot { margin-top: auto; padding: 16px 10px 0; font-size: 11px; opacity: .55; }

.main { min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 28px; background: var(--card);
  border-bottom: 1px solid var(--linea); position: sticky; top: 0; z-index: 20; }
.topbar-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.btn.menu-btn { display: none; }
.period-form select { font: inherit; font-size: 13px; font-weight: 600; color: var(--hoja); background: var(--hoja-soft); border: 1px solid #C9E0D3;
  border-radius: 99px; padding: 6px 30px 6px 12px; appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%231F7A4D' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center; }
.lock-pill { font-size: 12px; color: var(--total); background: #FBE9E7; border-radius: 99px; padding: 4px 10px; font-weight: 600; }
.user-menu { position: relative; }
.user-btn { display: flex; align-items: center; gap: 8px; background: none; border: 0; cursor: pointer; font: inherit; color: var(--tinta); padding: 4px; border-radius: 99px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--hoja); color: #fff; display: grid; place-items: center; font-size: 12px; font-weight: 700; }
.user-btn .who { text-align: left; line-height: 1.15; }
.user-btn .who small { display: block; color: var(--tinta-2); font-size: 11px; }
.dropdown { position: absolute; right: 0; top: calc(100% + 6px); background: var(--card); border: 1px solid var(--linea); border-radius: var(--radio);
  box-shadow: var(--sombra); min-width: 210px; padding: 6px; display: none; }
.dropdown.open { display: block; }
.dropdown a, .dropdown button { display: flex; gap: 8px; align-items: center; width: 100%; padding: 8px 10px; border-radius: 7px; color: var(--tinta);
  text-decoration: none; background: none; border: 0; font: inherit; cursor: pointer; text-align: left; }
.dropdown a:hover, .dropdown button:hover { background: var(--papel); }

.content { padding: 24px 28px 48px; display: flex; flex-direction: column; gap: 20px; max-width: 1480px; width: 100%; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.eyebrow { font-family: var(--f-num); font-size: 12px; color: var(--hoja); font-weight: 500; letter-spacing: .04em; }
.page-head h1 { font-size: 30px; font-weight: 800; line-height: 1.1; margin-top: 2px; }
.page-head p { margin: 6px 0 0; color: var(--tinta-2); max-width: 70ch; }
.head-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------------------------------------------------------------- componentes */
.card { background: var(--card); border: 1px solid var(--linea); border-radius: var(--radio); box-shadow: var(--sombra); }
.card-pad { padding: 18px 20px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--linea); }
.card-head h2 { font-size: 16px; font-weight: 700; }
.grid-1 { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }

.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.kpi { padding: 14px 16px; display: flex; flex-direction: column; gap: 2px; text-decoration: none; color: inherit; transition: border-color .15s, transform .15s; }
a.kpi:hover { border-color: var(--hoja); transform: translateY(-1px); }
.kpi .l { font-size: 12.5px; color: var(--tinta-2); }
.kpi .v { font-family: var(--f-display); font-size: 28px; font-weight: 800; line-height: 1.1; }
.kpi .s { font-size: 12px; color: var(--hoja); font-weight: 600; }
.kpi .code { font-family: var(--f-num); font-size: 10.5px; color: var(--tinta-2); opacity: .7; }

.chart-card { padding: 16px 18px 14px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.chart-card h3 { font-size: 14.5px; font-weight: 700; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 12px; color: var(--tinta-2); min-height: 18px; }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.chart-box { position: relative; height: 290px; }
.chart-empty { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; color: var(--tinta-2); font-size: 13px; padding: 20px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-size: 13.5px; font-weight: 600; padding: 8px 14px;
  border-radius: 8px; border: 1px solid var(--linea); background: var(--card); color: var(--tinta); cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover { border-color: #b9c9bf; background: #fbfcfb; }
.btn-primary { background: var(--hoja); border-color: var(--hoja); color: #fff; }
.btn-primary:hover { background: var(--hoja-2); border-color: var(--hoja-2); }
.btn-danger { color: var(--peligro); }
.btn-danger:hover { background: #FBE9E7; border-color: #f0c2bd; }
.btn-sm { padding: 5px 10px; font-size: 12.5px; }
.btn-icon { padding: 6px 8px; }
.btn[disabled] { opacity: .5; pointer-events: none; }

.flash-stack { display: flex; flex-direction: column; gap: 8px; }
.flash { padding: 10px 14px; border-radius: 8px; font-size: 13.5px; border: 1px solid; display: flex; gap: 8px; align-items: flex-start; }
.flash-success { background: #E7F2EC; border-color: #BFDCCB; color: #134D31; }
.flash-danger { background: #FBE9E7; border-color: #F0C2BD; color: #8A1C15; }
.flash-warning { background: #FFF7DB; border-color: #F0D78A; color: #6B4A00; }
.flash-info { background: #EEF4FF; border-color: #C9D8F5; color: #1B3A6B; }

/* formularios */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px 16px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field.wide { grid-column: 1 / -1; }
.field label { font-size: 12.5px; font-weight: 600; color: var(--tinta-2); }
.field label .req { color: var(--total); }
input[type=text], input[type=password], input[type=email], input[type=number], input[type=date], input[type=search], input[type=file], select, textarea {
  font: inherit; font-size: 14px; padding: 8px 10px; border: 1px solid #CBD8D0; border-radius: 8px; background: #fff; color: var(--tinta); width: 100%; }
textarea { min-height: 70px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--hoja); box-shadow: 0 0 0 3px rgba(31, 122, 77, .15); }
/* campos de captura: tarjeta elevada */
.capture { background: #fff !important; border-color: transparent !important; box-shadow: var(--campo-sombra); transition: box-shadow .12s; }
.capture:focus { box-shadow: var(--campo-foco) !important; border-color: transparent !important; }
.capture:disabled { box-shadow: none; background: transparent !important; color: var(--tinta); }
input.capture[type=number]::-webkit-outer-spin-button, input.capture[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input.capture[type=number] { -moz-appearance: textfield; appearance: textfield; }
input.capture::placeholder { color: #B5C2BA; }
.form-actions { display: flex; gap: 8px; justify-content: flex-end; align-items: center; margin-top: 14px; flex-wrap: wrap; }
.hint { font-size: 12px; color: var(--tinta-2); }

/* tablas */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th { text-align: left; font-size: 12px; font-weight: 600; color: var(--tinta-2); padding: 9px 12px; border-bottom: 1px solid var(--linea); background: #FAFCFB; white-space: nowrap; }
table.data td { padding: 7px 12px; border-bottom: 1px solid #EDF2EF; vertical-align: middle; }
table.data tbody tr:hover td { background: #FAFCFB; }
table.data .r { text-align: right; }
table.data td.r { font-family: var(--f-num); font-variant-numeric: tabular-nums; }
table.data tr.total td { background: var(--total); color: #fff; font-weight: 700; border: 0; }
table.data tr.total td:first-child { border-radius: 0 0 0 6px; }
table.data tr.total td:last-child { border-radius: 0 0 6px 0; }
table.data td.calc { color: var(--tinta-2); }
table.grid-input td { padding: 5px 8px; }
table.grid-input td.in { background: var(--campo-zona); }
table.grid-input th.shared { color: var(--hoja); }
table.grid-input th.wrap { white-space: normal; min-width: 104px; line-height: 1.25; }
table.grid-input td.in.shared { background: var(--hoja-soft); }
table.grid-input input.cell { width: 84px; text-align: right; font-family: var(--f-num); padding: 5px 9px; border-radius: 8px; margin-left: auto; display: block; }
.empty { padding: 36px 20px; text-align: center; color: var(--tinta-2); }
.empty i { font-size: 30px; color: var(--hoja); display: block; margin-bottom: 6px; }

table.areas th.c, table.areas td.c { text-align: center; width: 110px; }
table.areas input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--hoja); cursor: pointer; }
.badge { display: inline-block; font-size: 11.5px; font-weight: 600; padding: 2px 8px; border-radius: 99px; background: var(--hoja-soft); color: var(--hoja); }
.badge-gray { background: #EEF1EF; color: var(--tinta-2); }
.badge-red { background: #FBE9E7; color: var(--total); }
.badge-gold { background: #FFF3C4; color: #7A5A00; }

.pager { display: flex; gap: 6px; align-items: center; justify-content: flex-end; padding: 12px 20px; font-size: 13px; }
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.toolbar input[type=search] { width: 240px; }
.legend-cells { display: flex; gap: 14px; font-size: 12px; color: var(--tinta-2); flex-wrap: wrap; }
.legend-cells span { display: inline-flex; gap: 6px; align-items: center; }
.legend-cells i { width: 14px; height: 14px; border-radius: 3px; display: inline-block; border: 1px solid; }

details.panel > summary { list-style: none; cursor: pointer; }
details.panel > summary::-webkit-details-marker { display: none; }
details.panel[open] .chev { transform: rotate(180deg); }
.chev { transition: transform .15s; }

/* asistencia */
.group-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.group-tab { display: inline-flex; gap: 6px; align-items: center; padding: 6px 12px; border-radius: 99px; border: 1px solid var(--linea); background: var(--card);
  text-decoration: none; color: var(--tinta); font-size: 13px; font-weight: 600; }
.group-tab small { font-family: var(--f-num); color: var(--tinta-2); font-weight: 500; }
.group-tab.active { background: var(--monte); border-color: var(--monte); color: #fff; }
.group-tab.active small { color: #BFD8CB; }
table.att { border-collapse: separate; border-spacing: 0; font-size: 12.5px; }
table.att th, table.att td { border-bottom: 1px solid #EDF2EF; padding: 4px 5px; text-align: center; white-space: nowrap; }
table.att th { font-size: 11px; color: var(--tinta-2); background: #FAFCFB; position: sticky; top: 0; }
table.att th.sec-t { background: #E7F2EC; color: var(--hoja); }
table.att th.sec-p { background: #FBE9E7; color: var(--total); }
table.att td.name input { width: 200px; }
table.att td.doc input { width: 110px; }
table.att td.prog select { width: 170px; font-size: 12.5px; padding: 5px 6px; }
table.att input[type=text] { padding: 5px 7px; font-size: 12.5px; }
table.att input[type=checkbox] { width: 17px; height: 17px; accent-color: var(--hoja); cursor: pointer; }
table.att td.mt input[type=checkbox] { accent-color: var(--total); }
table.att td.t { background: var(--campo-zona); }
table.att td.mt { background: #FDF1EF; }
table.att td.stat { font-family: var(--f-num); color: var(--tinta-2); min-width: 52px; }
table.att td.stat.strong { color: var(--tinta); font-weight: 600; }
table.att tr.removed td { opacity: .35; text-decoration: line-through; }
.att-config { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.att-config .field input { width: 110px; }

/* login */
.auth { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(360px, 520px); }
.auth-art { background: var(--monte); color: #E4F0E9; padding: 56px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; }
.auth-art h1 { font-size: clamp(34px, 4.2vw, 58px); font-weight: 800; line-height: 1.02; color: #fff; max-width: 13ch; }
.auth-art p { max-width: 46ch; opacity: .8; }
.auth-sheet { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; max-width: 420px; margin: 28px 0; }
.auth-sheet span { height: 26px; border-radius: 3px; background: rgba(255, 255, 255, .07); }
.auth-sheet span.y { background: #F2C94C; opacity: .9; }
.auth-sheet span.r { background: var(--total); }
.auth-form { background: var(--card); display: flex; align-items: center; justify-content: center; padding: 40px 28px; }
.auth-form form { width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 14px; }
.auth-form h2 { font-size: 26px; font-weight: 800; }

.stat-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
.stat-list div { padding: 10px 12px; background: var(--papel); border-radius: 8px; }
.stat-list b { display: block; font-family: var(--f-display); font-size: 22px; }
.stat-list small { color: var(--tinta-2); }

.error-page { max-width: 560px; margin: 10vh auto; text-align: center; padding: 20px; }
.error-page .code { font-family: var(--f-num); color: var(--total); font-size: 14px; }

.pw-box { font-family: var(--f-num); font-size: 22px; letter-spacing: .06em; background: var(--captura); border: 1px dashed var(--captura-borde); padding: 14px 18px; border-radius: 8px; text-align: center; user-select: all; }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 1100px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: min(290px, 86vw); z-index: 50; transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: none; box-shadow: 0 0 0 100vmax rgba(0, 0, 0, .35); }
  .btn.menu-btn { display: inline-flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .topbar { padding: 10px 16px; }
  .content { padding: 18px 16px 40px; }
  .user-btn .who { display: none; }
  .auth { grid-template-columns: 1fr; }
  .auth-art { padding: 32px 24px; }
  .auth-art .auth-sheet, .auth-art p { display: none; }
  .page-head h1 { font-size: 25px; }
  .chart-box { height: 250px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}
@media print {
  .sidebar, .topbar, .head-actions, form, .btn { display: none !important; }
  .shell { display: block; }
}

/* selector de año y semestre (Matriculados por programa) */
.period-picker { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; }
.picker-fields { display: flex; gap: 14px; align-items: flex-end; }
.period-picker .field select { width: 130px; }
.period-state { margin-left: auto; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

/* logo institucional (cubo UPC) sobre placa blanca: la cara verde oscura se pierde contra el menú */
.brand-logo { width: 40px; height: 40px; border-radius: 10px; background: #fff; display: grid; place-items: center; flex: none; box-shadow: 0 1px 3px rgba(0,0,0,.18); }
.brand-logo img { display: block; }
.brand-logo-lg { width: 54px; height: 54px; border-radius: 12px; }
.brand b { line-height: 1.15; }
.login-logo { display: block; }