/* Bitácoras de Proyecto Web — UNICAMACHO · Fundamentos Web 4303C */
:root {
  --navy: #0b2a5b;
  --navy-2: #12397a;
  --azul: #1557aa;
  --azul-claro: #e8f0fb;
  --oro: #f2b705;
  --oro-suave: #fff6d6;
  --tinta: #14213d;
  --texto: #3b4a63;
  --tenue: #6b7a93;
  --linea: #dde3ee;
  --fondo: #f4f6fa;
  --blanco: #ffffff;
  --ok: #157f4c;
  --ok-suave: #e5f5ec;
  --alerta: #b54708;
  --alerta-suave: #fff1e6;
  --error: #b42318;
  --error-suave: #fdecea;
  --radio: 10px;
  --sombra: 0 1px 2px rgba(11, 42, 91, .06), 0 8px 24px rgba(11, 42, 91, .06);
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--fondo); color: var(--texto);
  font-family: var(--sans); font-size: 16px; line-height: 1.55;
  display: flex; flex-direction: column; min-height: 100vh;
}
main { flex: 1; }
a { color: var(--azul); }
h1, h2, h3, h4 { color: var(--tinta); line-height: 1.25; margin: 0; }
.contenedor { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.oculto { display: none !important; }
.mono { font-family: var(--mono); }

/* ------------------------------------------------ Header */
.barra-sup { background: var(--navy); color: #c9d6ee; font-size: 13px; }
.barra-sup .contenedor { display: flex; justify-content: space-between; gap: 16px; padding-top: 7px; padding-bottom: 7px; }
.barra-sup span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cabecera { background: var(--blanco); border-bottom: 1px solid var(--linea); position: sticky; top: 0; z-index: 20; }
.cabecera::after { content: ''; display: block; height: 3px; background: linear-gradient(90deg, var(--azul) 0 72%, var(--oro) 72% 100%); }
.cabecera .contenedor { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 76px; }
.marca { display: flex; align-items: center; gap: 16px; text-decoration: none; min-width: 0; }
.marca img { height: 60px; width: auto; display: block; }
.marca-sep { width: 1px; height: 40px; background: var(--linea); }
.marca-texto { display: flex; flex-direction: column; min-width: 0; }
.marca-texto strong { color: var(--tinta); font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.marca-texto small { color: var(--tenue); font-size: 13px; }
.usuario { display: flex; align-items: center; gap: 14px; }
.usuario-datos { text-align: right; line-height: 1.3; }
.usuario-datos strong { display: block; color: var(--tinta); font-size: 14px; font-weight: 600; }
.usuario-datos span { font-family: var(--mono); font-size: 12px; color: var(--tenue); }
.iniciales {
  width: 40px; height: 40px; border-radius: 50%; background: var(--azul-claro); color: var(--azul);
  display: grid; place-items: center; font-weight: 600; font-size: 14px; flex: none;
}

/* ------------------------------------------------ Botones y formularios */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 15px var(--sans); border-radius: 8px; padding: 11px 20px; cursor: pointer;
  border: 1px solid transparent; text-decoration: none; transition: background .15s, border-color .15s, color .15s;
}
.btn-primario { background: var(--azul); color: #fff; }
.btn-primario:hover { background: var(--navy-2); }
.btn-primario:disabled { background: #9db3d6; cursor: progress; }
.btn-secundario { background: var(--blanco); color: var(--tinta); border-color: var(--linea); }
.btn-secundario:hover { border-color: var(--azul); color: var(--azul); }
.btn-texto { background: none; border: none; color: var(--tenue); padding: 8px 10px; font-weight: 500; }
.btn-texto:hover { color: var(--azul); }
.btn-sm { padding: 7px 14px; font-size: 14px; }

.campo { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.campo label { font-weight: 600; font-size: 14px; color: var(--tinta); }
.campo .ayuda { font-size: 13px; color: var(--tenue); margin-top: -2px; }
.campo .req { color: var(--error); }
input[type=text], input[type=url], input[type=password], input[type=date], textarea {
  width: 100%; font: 15px var(--sans); color: var(--tinta); background: var(--blanco);
  border: 1px solid #c9d2e1; border-radius: 8px; padding: 11px 13px; transition: border-color .15s, box-shadow .15s;
}
textarea { min-height: 96px; resize: vertical; line-height: 1.5; }
input:focus, textarea:focus { outline: none; border-color: var(--azul); box-shadow: 0 0 0 3px rgba(21, 87, 170, .15); }
.contador { font-family: var(--mono); font-size: 12px; color: var(--tenue); text-align: right; }
.contador.bajo { color: var(--alerta); }
.fila-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }

.aviso { border-radius: 8px; padding: 12px 14px; font-size: 14px; margin-bottom: 16px; border: 1px solid; }
.aviso-error { background: var(--error-suave); border-color: #f5c2bd; color: var(--error); }
.aviso-ok { background: var(--ok-suave); border-color: #b7e2c9; color: var(--ok); }
.aviso-info { background: var(--azul-claro); border-color: #c6d8f2; color: var(--navy-2); }
.aviso-demo { background: var(--oro-suave); border-color: #f1dc8f; color: #6b5200; }

/* ------------------------------------------------ Login */
.acceso { display: grid; grid-template-columns: 1.1fr .9fr; min-height: calc(100vh - 120px); }
.acceso-intro {
  background: var(--navy); color: #d6e1f3; padding: 64px 56px; position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: center;
}
.acceso-intro::before {
  content: ''; position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 32px 32px;
}
.acceso-intro > * { position: relative; }
.etiqueta {
  font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--oro); margin-bottom: 18px; display: block;
}
.acceso-intro h1 { color: #fff; font-size: clamp(30px, 3.4vw, 44px); font-weight: 600; letter-spacing: -.02em; max-width: 14ch; }
.acceso-intro p.lead { font-size: 17px; max-width: 46ch; margin: 18px 0 36px; color: #c4d2ea; }
.ciclo { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; max-width: 520px; counter-reset: s; }
.ciclo div { border-top: 2px solid rgba(255,255,255,.18); padding: 14px 12px 0 0; position: relative; }
.ciclo div::before {
  content: ''; position: absolute; top: -6px; left: 0; width: 10px; height: 10px; border-radius: 50%;
  background: var(--navy); border: 2px solid var(--oro);
}
.ciclo b { display: block; font-family: var(--mono); font-size: 12px; color: var(--oro); font-weight: 500; }
.ciclo span { font-size: 13px; color: #c4d2ea; line-height: 1.35; display: block; margin-top: 4px; }

.acceso-form { display: flex; align-items: center; justify-content: center; padding: 48px 32px; background: var(--blanco); }
.tarjeta-acceso { width: 100%; max-width: 380px; }
.tarjeta-acceso img.logo-acceso { height: 92px; display: block; margin-bottom: 28px; }
.tarjeta-acceso h2 { font-size: 24px; font-weight: 600; margin-bottom: 6px; }
.tarjeta-acceso > p { color: var(--tenue); margin: 0 0 26px; font-size: 15px; }
.tarjeta-acceso input#cedula { font-family: var(--mono); font-size: 18px; letter-spacing: .06em; padding: 13px 14px; }
.tarjeta-acceso .btn { width: 100%; padding: 13px; }
.nota-privacidad { font-size: 12.5px; color: var(--tenue); margin-top: 22px; border-top: 1px solid var(--linea); padding-top: 16px; }

/* ------------------------------------------------ Panel del estudiante */
.encabezado-panel { background: var(--blanco); border-bottom: 1px solid var(--linea); padding: 34px 0 30px; }
.encabezado-panel .contenedor { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.encabezado-panel h1 { font-size: 28px; font-weight: 600; letter-spacing: -.015em; }
.encabezado-panel p { margin: 6px 0 0; color: var(--tenue); }
.progreso { min-width: 260px; }
.progreso-txt { display: flex; justify-content: space-between; font-size: 13px; color: var(--tenue); margin-bottom: 8px; }
.progreso-txt b { font-family: var(--mono); color: var(--tinta); }
.progreso-barra { height: 8px; background: var(--azul-claro); border-radius: 99px; overflow: hidden; }
.progreso-barra i { display: block; height: 100%; background: var(--azul); border-radius: 99px; transition: width .4s; }

.seccion { padding: 34px 0 56px; }
.titulo-seccion { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 18px; gap: 12px; }
.titulo-seccion h2 { font-size: 18px; font-weight: 600; }
.titulo-seccion span { font-size: 13px; color: var(--tenue); }

.sprints { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.sprint {
  background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio);
  padding: 20px; display: flex; flex-direction: column; gap: 12px; box-shadow: var(--sombra);
  text-align: left; font: inherit; color: inherit; cursor: pointer; position: relative;
  transition: border-color .15s, transform .15s;
}
.sprint:hover:not(:disabled) { border-color: var(--azul); transform: translateY(-2px); }
.sprint:disabled { cursor: not-allowed; background: #fafbfd; box-shadow: none; }
.sprint.activo { border-color: var(--azul); box-shadow: 0 0 0 3px rgba(21,87,170,.15), var(--sombra); }
.sprint-cab { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.sprint-num { font-family: var(--mono); font-size: 13px; color: var(--azul); font-weight: 500; letter-spacing: .04em; }
.sprint:disabled .sprint-num { color: var(--tenue); }
.sprint h3 { font-size: 16px; font-weight: 600; }
.sprint:disabled h3 { color: var(--tenue); }
.sprint p { margin: 0; font-size: 13.5px; color: var(--tenue); line-height: 1.45; flex: 1; }
.sprint-pie { display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; color: var(--tenue); border-top: 1px solid var(--linea); padding-top: 12px; }
.sprint-pie .mono { font-size: 12px; }

.estado { font-size: 11.5px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; padding: 4px 9px; border-radius: 99px; white-space: nowrap; }
.estado-abierto { background: var(--azul-claro); color: var(--azul); }
.estado-entregado { background: var(--ok-suave); color: var(--ok); }
.estado-cerrado { background: #eef1f6; color: var(--tenue); }
.estado-vencido { background: var(--alerta-suave); color: var(--alerta); }

/* ------------------------------------------------ Formulario de bitácora */
.bitacora { margin-top: 28px; display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 24px; align-items: start; }
.panel { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); box-shadow: var(--sombra); }
.panel-cab { padding: 22px 28px; border-bottom: 1px solid var(--linea); display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.panel-cab h2 { font-size: 20px; font-weight: 600; }
.panel-cab .sprint-num { display: block; margin-bottom: 4px; }
.panel-cuerpo { padding: 26px 28px 8px; }
.panel-pie { padding: 18px 28px; border-top: 1px solid var(--linea); display: flex; justify-content: flex-end; gap: 12px; background: #fafbfd; border-radius: 0 0 var(--radio) var(--radio); }
.grupo-form { margin-bottom: 26px; }
.grupo-form > h4 {
  font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--azul); text-transform: uppercase;
  letter-spacing: .1em; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px dashed var(--linea);
}

.zona-carga {
  border: 1.5px dashed #b5c3da; border-radius: var(--radio); background: #f9fbfe; padding: 26px 18px;
  text-align: center; cursor: pointer; transition: border-color .15s, background .15s;
}
.zona-carga:hover, .zona-carga.arrastrando { border-color: var(--azul); background: var(--azul-claro); }
.zona-carga strong { color: var(--tinta); display: block; font-weight: 600; }
.zona-carga span { font-size: 13px; color: var(--tenue); }
.zona-carga svg { width: 30px; height: 30px; color: var(--azul); margin-bottom: 6px; }
.miniaturas { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; margin-top: 12px; }
.mini { position: relative; border: 1px solid var(--linea); border-radius: 8px; overflow: hidden; background: #eef1f6; aspect-ratio: 4/3; }
.mini img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mini button {
  position: absolute; top: 6px; right: 6px; width: 24px; height: 24px; border-radius: 50%; border: none;
  background: rgba(11,42,91,.85); color: #fff; cursor: pointer; font: 600 14px/1 var(--sans);
}
.mini small { position: absolute; left: 0; right: 0; bottom: 0; background: rgba(11,42,91,.78); color: #fff; font: 11px var(--mono); padding: 3px 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.lateral { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 100px; }
.ficha { padding: 22px; }
.ficha h3 { font-size: 15px; font-weight: 600; margin-bottom: 10px; }
.ficha p, .ficha li { font-size: 14px; color: var(--texto); }
.ficha p { margin: 0 0 10px; }
.ficha ul { margin: 0; padding-left: 18px; }
.ficha li { margin-bottom: 6px; }
.ficha dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; font-size: 13.5px; }
.ficha dt { color: var(--tenue); }
.ficha dd { margin: 0; color: var(--tinta); font-weight: 500; word-break: break-word; }
.ficha-scrum { background: var(--navy); border-color: var(--navy); color: #c9d6ee; }
.ficha-scrum h3 { color: #fff; }
.ficha-scrum p, .ficha-scrum li { color: #c9d6ee; }
.ficha-scrum b { color: var(--oro); font-weight: 500; font-family: var(--mono); font-size: 12.5px; }

.historial { margin-top: 10px; }
.historial-item { display: flex; justify-content: space-between; gap: 10px; font-size: 13.5px; padding: 8px 0; border-top: 1px solid var(--linea); }

/* ------------------------------------------------ Panel docente */
.tabla-wrap { overflow-x: auto; }
table.matriz { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--blanco); }
.matriz th { text-align: left; font-weight: 600; color: var(--tinta); background: #f7f9fc; padding: 12px 14px; border-bottom: 1px solid var(--linea); white-space: nowrap; font-size: 13px; }
.matriz td { padding: 11px 14px; border-bottom: 1px solid var(--linea); vertical-align: middle; }
.matriz tr:last-child td { border-bottom: none; }
.matriz td.nombre { font-weight: 500; color: var(--tinta); white-space: nowrap; }
.matriz td.ced { font-family: var(--mono); font-size: 12.5px; color: var(--tenue); }
.celda-entrega { background: none; border: 1px solid #b7e2c9; background: var(--ok-suave); color: var(--ok); border-radius: 6px; font: 600 12px var(--mono); padding: 5px 9px; cursor: pointer; }
.celda-vacia { color: #b2bccc; font-family: var(--mono); font-size: 12px; }
.control-sprints { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.control { padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.control h3 { font-size: 15px; font-weight: 600; }
.control .fila { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 13px; color: var(--tenue); }
.control input[type=date] { padding: 7px 9px; font-size: 13px; }
.interruptor { position: relative; width: 44px; height: 24px; flex: none; }
.interruptor input { opacity: 0; width: 0; height: 0; }
.interruptor span { position: absolute; inset: 0; background: #c9d2e1; border-radius: 99px; cursor: pointer; transition: background .15s; }
.interruptor span::before { content: ''; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: transform .15s; }
.interruptor input:checked + span { background: var(--azul); }
.interruptor input:checked + span::before { transform: translateX(20px); }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.kpi { padding: 18px 20px; }
.kpi span { font-size: 13px; color: var(--tenue); display: block; }
.kpi b { font-family: var(--mono); font-size: 26px; font-weight: 500; color: var(--tinta); }

.modal-fondo { position: fixed; inset: 0; background: rgba(11, 26, 51, .55); z-index: 50; display: flex; align-items: flex-start; justify-content: center; padding: 48px 16px; overflow-y: auto; }
.modal { width: 100%; max-width: 720px; }
.detalle dt { font-family: var(--mono); font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--azul); margin-top: 16px; }
.detalle dd { margin: 4px 0 0; color: var(--tinta); white-space: pre-wrap; word-break: break-word; }

/* ------------------------------------------------ Footer */
.pie { background: var(--navy); color: #a9bad6; font-size: 14px; margin-top: auto; }
.pie-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-top: 44px; padding-bottom: 36px; }
.pie img { height: 78px; display: block; margin-bottom: 14px; }
.pie h4 { color: #fff; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 12px; }
.pie p { margin: 0 0 6px; }
.pie a { color: #dbe5f5; text-decoration: none; }
.pie a:hover { color: var(--oro); }
.pie-base { border-top: 1px solid rgba(255,255,255,.1); }
.pie-base .contenedor { display: flex; justify-content: space-between; gap: 16px; padding-top: 16px; padding-bottom: 16px; font-size: 13px; flex-wrap: wrap; }

/* ------------------------------------------------ Carga */
.cargando { display: inline-block; width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: giro .7s linear infinite; }
@keyframes giro { to { transform: rotate(360deg); } }

/* ------------------------------------------------ Responsive */
@media (max-width: 1020px) {
  .sprints, .control-sprints, .kpis { grid-template-columns: repeat(2, 1fr); }
  .bitacora { grid-template-columns: 1fr; }
  .lateral { position: static; }
}
@media (max-width: 820px) {
  .acceso { grid-template-columns: 1fr; }
  .acceso-intro { padding: 44px 24px; }
  .pie-grid { grid-template-columns: 1fr; gap: 24px; }
  .marca-sep, .marca-texto small { display: none; }
}
@media (max-width: 600px) {
  .contenedor { padding: 0 16px; }
  .sprints, .control-sprints, .kpis, .fila-2 { grid-template-columns: 1fr; }
  .marca img { height: 44px; }
  .marca-texto strong { font-size: 15px; }
  .usuario-datos { display: none; }
  .panel-cab, .panel-cuerpo, .panel-pie { padding-left: 18px; padding-right: 18px; }
  .barra-sup .der { display: none; }
  .ciclo { grid-template-columns: repeat(2, 1fr); row-gap: 18px; }
}