/* ============================================================
   Plataforma Evaluativa de Programación en Python
   assets/css/estilos.css - Estética juvenil
   ============================================================ */

:root {
  --lavanda: #ece5ff;
  --menta:   #d8f5ea;
  --durazno: #ffe4d6;
  --celeste: #dbeafe;
  --rosa:    #ffe4f0;
  --amarillo:#fff6d6;
  --violeta: #7c5cfc;
  --violeta-osc: #5b3fd6;
  --rosa-accent: #ff6b9d;
  --teal: #2ec4b6;
  --naranja: #ffb03a;
  --texto: #3a2f5c;
  --texto-suave: #7a6fa8;
  --sombra: 0 6px 24px rgba(124, 92, 252, .14);
  --sombra-suave: 0 3px 12px rgba(124, 92, 252, .10);
  --radio: 18px;
  --fondo: #f7f5ff;
  --verde: #27ae60;
  --rojo: #e74c3c;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: 'Nunito', 'Poppins', system-ui, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  min-height: 100%;
}

h1, h2, h3, .titulo, .logo {
  font-family: 'Poppins', 'Nunito', sans-serif;
}

body {
  -webkit-user-select: none;
  user-select: none;
}

input, textarea {
  font-family: 'Nunito', sans-serif;
  -webkit-user-select: text;
  user-select: text;
}

.editor-codigo {
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
}

a { color: var(--violeta); text-decoration: none; }

/* ---------- Stickers ---------- */
.sticker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  font-size: 32px;
  background: #fff;
  box-shadow: var(--sombra);
  transform: rotate(-6deg);
  animation: flotar 3.5s ease-in-out infinite;
  border: 2px solid rgba(124,92,252,.15);
}
.sticker.pequeño { width: 40px; height: 40px; font-size: 22px; border-radius: 13px; }
.sticker.grande { width: 84px; height: 84px; font-size: 46px; border-radius: 26px; }
@keyframes flotar {
  0%, 100% { transform: translateY(0) rotate(-6deg); }
  50% { transform: translateY(-8px) rotate(6deg); }
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border: none;
  border-radius: 999px;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
  color: #fff;
  background: linear-gradient(135deg, var(--violeta), var(--rosa-accent));
  box-shadow: 0 6px 18px rgba(124,92,252,.35);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(124,92,252,.42); }
.btn:active { transform: translateY(0); }
.btn.secundario { background: #fff; color: var(--violeta); box-shadow: var(--sombra-suave); border: 2px solid var(--lavanda); }
.btn.teal { background: linear-gradient(135deg, var(--teal), #1f9e92); box-shadow: 0 6px 18px rgba(46,196,182,.35); }
.btn.verde { background: linear-gradient(135deg, #27ae60, #1e8e4e); box-shadow: 0 6px 18px rgba(39,174,96,.35); }
.btn.naranja { background: linear-gradient(135deg, var(--naranja), #f48b1f); box-shadow: 0 6px 18px rgba(255,176,58,.35); }
.btn.rojo { background: linear-gradient(135deg, #e74c3c, #c0392b); box-shadow: 0 6px 18px rgba(231,76,60,.35); }
.btn.gris { background: #cfc9ea; color: #4a4180; box-shadow: none; }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* ---------- Tarjetas ---------- */
.card {
  background: #fff;
  border-radius: var(--radio);
  box-shadow: var(--sombra-suave);
  padding: 22px;
  border: 1px solid #efeafc;
}
.card.titulo { border-bottom: 3px solid var(--violeta); }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: 999px; font-size: 13px; font-weight: 700;
}
.chip.ok { background: #d9f6e6; color: var(--verde); }
.chip.bad { background: #fde2e0; color: var(--rojo); }
.chip.pend { background: #eef1f8; color: #8a8fa8; }
.chip.ia { background: var(--lavanda); color: var(--violeta); }

/* ---------- Campos ---------- */
.campo { margin-bottom: 14px; }
.campo label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 6px; }
.campo input[type=text], .campo input[type=password], .campo textarea, .campo select {
  width: 100%;
  padding: 11px 14px;
  border: 2px solid var(--lavanda);
  border-radius: 12px;
  font-size: 15px;
  background: #fdfcff;
  color: var(--texto);
  outline: none;
  transition: border-color .15s;
}
.campo input:focus, .campo textarea:focus, .campo select:focus { border-color: var(--violeta); }
.campo textarea { resize: vertical; min-height: 90px; }

/* ---------- Tablas ---------- */
.tabla-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 11px 12px; text-align: left; border-bottom: 1px solid #f0ecfb; }
th { background: var(--lavanda); color: var(--violeta-osc); font-weight: 800; white-space: nowrap; }
tr:hover td { background: #faf8ff; }

/* ---------- Página de login ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  background:
    radial-gradient(circle at 12% 18%, rgba(255,176,58,.22), transparent 34%),
    radial-gradient(circle at 88% 12%, rgba(46,196,182,.22), transparent 34%),
    radial-gradient(circle at 85% 85%, rgba(255,107,157,.20), transparent 34%),
    linear-gradient(160deg, #f4f0ff, #eef7ff);
}
.login-card {
  width: 100%; max-width: 420px;
  background: #fff; border-radius: 26px;
  box-shadow: var(--sombra);
  padding: 34px;
  text-align: center;
  position: relative;
}
.login-card .sticker { margin: -62px auto 14px; display: flex; }
.logo-app { font-size: 26px; font-weight: 800; color: var(--violeta); }
.logo-app span { color: var(--rosa-accent); }

/* ---------- Index ---------- */
.index-wrap {
  min-height: 100vh;
  display: flex; flex-direction: column;
  background:
    radial-gradient(circle at 8% 10%, rgba(255,176,58,.25), transparent 30%),
    radial-gradient(circle at 92% 8%, rgba(46,196,182,.25), transparent 30%),
    radial-gradient(circle at 50% 95%, rgba(124,92,252,.18), transparent 40%),
    linear-gradient(160deg, #f4f0ff, #eef7ff);
}
.index-hero { text-align: center; padding: 60px 20px 20px; }
.index-botones { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; padding: 30px 20px 50px; }
.tarjeta-acceso {
  width: 260px; padding: 34px 24px;
  background: #fff; border-radius: 24px; box-shadow: var(--sombra);
  text-align: center; cursor: pointer;
  transition: transform .2s, box-shadow .2s;
  border: none; font-family: 'Poppins'; color: var(--texto);
}
.tarjeta-acceso:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(124,92,252,.25); }
.tarjeta-acceso .emoji { font-size: 64px; }
.tarjeta-acceso h2 { margin: 14px 0 8px; }
.tarjeta-acceso p { font-size: 14px; color: var(--texto-suave); }

/* ---------- Navbar admin ---------- */
.nav {
  display: flex; align-items: center; gap: 18px;
  background: #fff; padding: 12px 22px;
  box-shadow: var(--sombra-suave);
  position: sticky; top: 0; z-index: 50;
  flex-wrap: wrap;
}
.nav .logo-app { font-size: 19px; }
.nav .links { display: flex; gap: 6px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.nav .links a {
  padding: 8px 16px; border-radius: 999px; font-weight: 700; font-size: 14px;
  color: var(--texto-suave);
}
.nav .links a.activo, .nav .links a:hover { background: var(--lavanda); color: var(--violeta); }

.contenedor { max-width: 1200px; margin: 0 auto; padding: 24px 20px 80px; }
.encabezado { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.encabezado h1 { font-size: 24px; flex: 1; }

/* ---------- Barras de estado ---------- */
.barra-filtros { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 16px; }

/* ---------- Paneles admin ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

.pill-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.pill-tabs button {
  padding: 9px 18px; border-radius: 999px; border: 2px solid var(--lavanda);
  background: #fff; font-weight: 700; cursor: pointer; color: var(--texto-suave);
}
.pill-tabs button.activo { background: var(--violeta); border-color: var(--violeta); color: #fff; }

/* ---------- Hoja de trabajo (estudiante) ---------- */
.hoja-wrap { min-height: 100vh; display: flex; flex-direction: column; }
.hoja-toolbar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: #fff; padding: 10px 18px; box-shadow: var(--sombra-suave);
  position: sticky; top: 0; z-index: 40;
}
.hoja-toolbar .logo-app { font-size: 17px; }
.hoja-toolbar .usuario { font-size: 14px; color: var(--texto-suave); font-weight: 700; margin-left: auto; }

.hoja-tabs {
  display: flex; gap: 8px; padding: 14px 18px 0; flex-wrap: wrap;
}
.hoja-tab {
  padding: 9px 20px; border-radius: 14px 14px 0 0;
  background: #eae5fa; color: var(--texto-suave);
  font-weight: 800; font-size: 14px; cursor: pointer;
  border: none; border-bottom: 3px solid transparent;
  transition: background .15s;
}
.hoja-tab.activo { background: #fff; color: var(--violeta); border-bottom-color: var(--violeta); }

.hoja-cuerpo {
  flex: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  padding: 18px; max-width: 1500px; width: 100%; margin: 0 auto;
}
@media (max-width: 1000px) { .hoja-cuerpo { grid-template-columns: 1fr; } }

.panel {
  display: flex; flex-direction: column; gap: 12px;
  background: #fff; border-radius: 20px; box-shadow: var(--sombra-suave);
  padding: 18px; border: 1px solid #efeafc;
}
.panel-titulo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 16px; }

.enunciado {
  background: linear-gradient(135deg, var(--lavanda), #f6f1ff);
  border-radius: 16px; padding: 16px; font-size: 15px; line-height: 1.55;
}
.enunciado pre {
  background: #fff; padding: 10px; border-radius: 10px; margin-top: 10px;
  font-family: 'JetBrains Mono', monospace; font-size: 13px; overflow-x: auto;
}

textarea.editor-codigo, textarea.editor-expl {
  width: 100%; flex: 1; min-height: 260px;
  border: 2px solid var(--lavanda); border-radius: 14px;
  padding: 14px; font-size: 14px; line-height: 1.6;
  resize: vertical; outline: none; background: #1e1e2e; color: #d6f5e3;
  tab-size: 4;
}
textarea.editor-expl { background: #fdfcff; color: var(--texto); font-size: 15px; }

.editor-wrap {
  display: flex; align-items: stretch; gap: 0;
  flex: 1; min-height: 260px;
  border: 2px solid var(--lavanda); border-radius: 14px;
  overflow: hidden;
}
.editor-gutter {
  flex: none; width: 46px; overflow: hidden;
  background: #171822; color: #6b7089;
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  font-size: 14px; line-height: 1.6; text-align: right;
  padding: 14px 10px 14px 0; user-select: none; pointer-events: none;
  border: none; border-radius: 0;
  white-space: pre;
}
.editor-gutter span { display: block; }
.editor-wrap textarea.editor-codigo {
  border: none; border-radius: 0; min-height: 0; flex: 1;
  resize: none; overflow: auto;
}

.salida-box {
  background: #0f1220; color: #c9f6d9; border-radius: 12px;
  padding: 12px; font-family: 'JetBrains Mono', monospace; font-size: 13px;
  white-space: pre-wrap; word-break: break-word; max-height: 180px; overflow: auto;
  border: 2px solid #23253b;
}
.salida-box.error { color: #ffb3ab; border-color: #5a2730; background: #1a1018; }

.consola {
  background: #0f1220; color: #d6f5e3; border-radius: 12px;
  padding: 12px; font-family: 'JetBrains Mono', monospace; font-size: 13px;
  white-space: pre-wrap; word-break: break-word; height: 160px; overflow: auto;
  border: 2px solid #23253b; user-select: text;
}
.consola-input-wrap {
  gap: 8px; align-items: center; margin-top: 8px;
}
.consola-input-wrap input {
  flex: 1; border: 2px solid var(--lavanda); border-radius: 10px;
  padding: 8px 10px; font-family: 'JetBrains Mono', monospace; font-size: 14px;
  outline: none; background: #1e1e2e; color: #d6f5e3;
}
.consola-input-wrap input::placeholder { color: #6b7089; }
.consola-prompt { color: #7ee0a3; font-weight: 800; font-family: 'JetBrains Mono', monospace; }

.error-amigable { background: #fff4f2; border: 2px solid #ffb8b0; border-radius: 12px; padding: 12px; font-size: 14px; }
.error-amigable .err-tipo { font-weight: 800; color: var(--rojo); }
.error-amigable .err-msg { margin-top: 4px; }
.error-amigable .err-recom { margin-top: 6px; color: var(--texto); background: #fff; padding: 8px 10px; border-radius: 8px; }

/* Evaluación IA */
.resultado-eval { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 4px; }
@media (max-width: 700px) { .resultado-eval { grid-template-columns: 1fr; } }
.eval-item { border-radius: 14px; padding: 12px; border: 2px solid var(--lavanda); }
.eval-item h4 { font-size: 13px; margin-bottom: 4px; }
.eval-item .coment { font-size: 13px; margin-top: 6px; color: var(--texto-suave); }
.eval-item.codigo.ok { background: #eafaf1; border-color: #9be8bd; }
.eval-item.codigo.bad { background: #fdeeec; border-color: #f6b5ae; }
.eval-item.expl.ok { background: #fff8e6; border-color: #ffe08a; }
.eval-item.expl.bad { background: #f3f1fd; border-color: #cfc7f4; }

/* ---------- Alerta anti-copia ---------- */
.alerta-sello {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
  background: #fff; border-radius: 16px; box-shadow: var(--sombra);
  padding: 14px 18px; display: flex; align-items: center; gap: 12px;
  z-index: 999; max-width: 90vw; border: 2px solid var(--naranja);
  animation: caer .3s ease;
}
@keyframes caer { from { transform: translateX(-50%) translateY(-120%); } to { transform: translateX(-50%) translateY(0); } }
.alerta-sello .msg { font-weight: 700; font-size: 14px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 22px; right: 22px;
  background: #fff; border-radius: 14px; box-shadow: var(--sombra);
  padding: 12px 16px; display: flex; align-items: center; gap: 10px;
  z-index: 999; font-weight: 700; font-size: 14px;
  animation: subir .3s ease;
  border: 2px solid var(--verde);
}
@keyframes subir { from { transform: translateY(120%); } to { transform: translateY(0); } }

/* ---------- Sticker grande de reacción ---------- */
.sticker-reaccion {
  position: fixed; right: 24px; bottom: 24px; z-index: 990;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  transform: translateY(140%); transition: transform .35s cubic-bezier(.34,1.56,.64,1);
}
.sticker-reaccion.mostrar { transform: translateY(0); }
.sticker-reaccion .globito {
  background: #fff; border-radius: 14px; box-shadow: var(--sombra);
  padding: 8px 12px; font-size: 13px; font-weight: 700; max-width: 230px; text-align: center;
  position: relative;
}
.sticker-reaccion .globito::after {
  content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%);
  border-left: 8px solid transparent; border-right: 8px solid transparent; border-top: 9px solid #fff;
}

/* ---------- Confeti ---------- */
.confeti { position: fixed; top: 0; left: 0; right: 0; bottom: 0; pointer-events: none; z-index: 995; overflow: hidden; }
.confeti i {
  position: absolute; top: -20px; display: block; border-radius: 3px;
  animation: caerConfeti linear forwards;
}
@keyframes caerConfeti {
  to { transform: translateY(105vh) rotate(720deg); }
}

/* ---------- Texto plano ---------- */
.mono { font-family: 'JetBrains Mono', monospace; }
.small { font-size: 13px; color: var(--texto-suave); }
.mt-0 { margin-top: 0; } .mt-2 { margin-top: 8px; } .mt-3 { margin-top: 12px; }
.d-flex { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.ml-auto { margin-left: auto; }
.centro { text-align: center; }

/* Supervisión */
.visor { background: #1e1e2e; color: #d6f5e3; font-family: 'JetBrains Mono', monospace; font-size: 13px; padding: 16px; border-radius: 12px; white-space: pre-wrap; word-break: break-word; line-height: 1.55; }
.visor.expl { background: #fdfcff; color: var(--texto); font-family: 'Nunito'; font-size: 15px; }

/* Loading */
.spin { display: inline-block; width: 16px; height: 16px; border: 3px solid #fff; border-top-color: transparent; border-radius: 50%; animation: girar .7s linear infinite; }
@keyframes girar { to { transform: rotate(360deg); } }

/* Cuadrícula para modo lectura de evaluaciones */
.tabla-estados td .resumen { font-size: 12px; color: var(--texto-suave); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #d4cbf6; border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }