/* ============================================================
   Repositorio de Cursos HRX — Red Personas
   Paleta: #ff4800 naranja | #1D1D1F negro | #848484 gris | #FFFFFF blanco
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --naranja: #ff4800;
  --negro:   #1D1D1F;
  --gris:    #848484;
  --gris-claro: #f5f5f7;
  --blanco:  #FFFFFF;
  --radio:   12px;
  --sombra:  0 2px 16px rgba(0,0,0,0.08);
  --trans:   0.2s ease;
}

body { font-family: 'Inter', system-ui, sans-serif; background: var(--gris-claro);
       color: var(--negro); font-size: 15px; line-height: 1.6; min-height: 100vh; }

a { color: var(--naranja); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── LOGIN ────────────────────────────────────────────────── */
.login-page { min-height: 100vh; display: flex; align-items: center;
  justify-content: center; background: linear-gradient(135deg,#fff 0%,#fff3ee 100%); padding: 20px; }
.login-card { background: var(--blanco); border-radius: var(--radio);
  box-shadow: var(--sombra); padding: 48px 40px; width: 100%; max-width: 420px; }
.login-card .logo { text-align: center; margin-bottom: 32px; }
.login-card .logo img { height: 48px; }
.login-card .logo h1 { font-size: 1.4rem; font-weight: 700; margin-top: 10px;
  color: var(--negro); }
.login-card .logo span { color: var(--naranja); }
.login-tabs { display: flex; border-bottom: 2px solid var(--gris-claro); margin-bottom: 28px; }
.login-tab { flex: 1; padding: 10px; text-align: center; cursor: pointer;
  font-weight: 600; color: var(--gris); border-bottom: 3px solid transparent;
  margin-bottom: -2px; transition: var(--trans); }
.login-tab.active { color: var(--naranja); border-color: var(--naranja); }

/* ── FORMS ────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; font-size: 13px;
  color: var(--gris); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .5px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid #e0e0e0;
  border-radius: 8px; font-size: 15px; transition: var(--trans);
  background: var(--blanco); color: var(--negro); font-family: inherit; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--naranja);
  box-shadow: 0 0 0 3px rgba(255,72,0,.1); }
.form-group textarea { resize: vertical; min-height: 100px; }
.hint { font-size: 12px; color: var(--gris); margin-top: 4px; }

/* ── BOTONES ──────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 6px;
  padding: 11px 22px; border-radius: 8px; font-size: 14px; font-weight: 600;
  cursor: pointer; border: none; transition: var(--trans); text-decoration: none; }
.btn-primary { background: var(--naranja); color: #fff; }
.btn-primary:hover { background: #d93e00; color: #fff; text-decoration: none; }
.btn-secondary { background: var(--gris-claro); color: var(--negro); }
.btn-secondary:hover { background: #e8e8ed; text-decoration: none; }
.btn-danger { background: #ff3b30; color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-full { width: 100%; justify-content: center; }
.btn-outline { background: transparent; border: 1.5px solid var(--naranja);
  color: var(--naranja); }
.btn-outline:hover { background: var(--naranja); color: #fff; text-decoration: none; }

/* ── LAYOUT ADMIN ─────────────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: var(--negro); color: #fff;
  display: flex; flex-direction: column; position: fixed; top: 0; left: 0;
  height: 100vh; overflow-y: auto; z-index: 100; transition: var(--trans); }
.sidebar-logo { padding: 24px 20px 20px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-logo h2 { font-size: 1rem; font-weight: 700; color: #fff; }
.sidebar-logo span { color: var(--naranja); }
.sidebar-logo small { display: block; font-size: 11px; color: var(--gris); margin-top: 2px; }
.sidebar-nav { flex: 1; padding: 16px 0; }
.nav-section { font-size: 10px; text-transform: uppercase; letter-spacing: 1px;
  color: var(--gris); padding: 12px 20px 4px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 20px;
  color: rgba(255,255,255,0.75); font-size: 14px; transition: var(--trans);
  border-left: 3px solid transparent; cursor: pointer; }
.nav-item:hover, .nav-item.active { color: #fff; background: rgba(255,72,0,0.12);
  border-color: var(--naranja); text-decoration: none; }
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,0.1); }
.sidebar-footer .user-name { font-size: 13px; font-weight: 600; }
.sidebar-footer .user-role { font-size: 11px; color: var(--gris); }

.main-content { margin-left: 240px; flex: 1; padding: 0; }
.topbar { background: var(--blanco); border-bottom: 1px solid #e8e8ed;
  padding: 16px 32px; display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(8px); }
.topbar h1 { font-size: 1.2rem; font-weight: 700; }
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.content-body { padding: 28px 32px; }

/* ── CARDS ────────────────────────────────────────────────── */
.card { background: var(--blanco); border-radius: var(--radio);
  box-shadow: var(--sombra); padding: 24px; }
.card-title { font-size: 1rem; font-weight: 700; margin-bottom: 18px;
  padding-bottom: 14px; border-bottom: 2px solid var(--gris-claro); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px; margin-bottom: 28px; }
.stat-card { background: var(--blanco); border-radius: var(--radio);
  box-shadow: var(--sombra); padding: 22px; display: flex; flex-direction: column; gap: 6px; }
.stat-card .stat-num { font-size: 2rem; font-weight: 800; color: var(--naranja); }
.stat-card .stat-label { font-size: 13px; color: var(--gris); }
.stat-card .stat-icon { font-size: 1.6rem; }

/* ── TABLAS ───────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { background: var(--gris-claro); color: var(--gris); font-size: 12px;
  text-transform: uppercase; letter-spacing: .5px; padding: 12px 14px;
  text-align: left; font-weight: 700; }
td { padding: 13px 14px; border-bottom: 1px solid var(--gris-claro);
  font-size: 14px; vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,72,0,0.03); }
.badge { display: inline-flex; align-items: center; padding: 3px 10px;
  border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-green  { background: #d1f5ea; color: #00875a; }
.badge-orange { background: #fff3ee; color: var(--naranja); }
.badge-gray   { background: #f0f0f0; color: var(--gris); }
.badge-blue   { background: #e0f0ff; color: #0066cc; }
.badge-red    { background: #ffe0de; color: #c00; }

/* ── ALERTAS ──────────────────────────────────────────────── */
.alert { padding: 14px 18px; border-radius: 8px; margin-bottom: 20px;
  font-size: 14px; display: flex; align-items: flex-start; gap: 10px; }
.alert-success { background: #d1f5ea; color: #00875a; border-left: 4px solid #00875a; }
.alert-error   { background: #ffe0de; color: #c00;    border-left: 4px solid #c00; }
.alert-info    { background: #e0f0ff; color: #0066cc; border-left: 4px solid #0066cc; }
.alert-warning { background: #fff3ee; color: #d96b00; border-left: 4px solid var(--naranja); }

/* ── PROGRESO ─────────────────────────────────────────────── */
.progress-bar { background: var(--gris-claro); border-radius: 20px; height: 8px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--naranja); border-radius: 20px;
  transition: width .4s ease; }

/* ── LAYOUT PARTICIPANTE ──────────────────────────────────── */
.part-header { background: var(--negro); color: #fff; padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between; position: sticky; top:0; z-index:50; }
.part-header .logo-text { font-weight: 700; font-size: 1rem; }
.part-header .logo-text span { color: var(--naranja); }
.part-body { max-width: 900px; margin: 0 auto; padding: 28px 20px; }
.modulo-card { background: var(--blanco); border-radius: var(--radio);
  box-shadow: var(--sombra); margin-bottom: 20px; overflow: hidden; }
.modulo-header { padding: 16px 20px; background: var(--gris-claro);
  font-weight: 700; display: flex; align-items: center; gap: 10px; }
.modulo-header .modulo-num { background: var(--naranja); color: #fff;
  border-radius: 50%; width: 28px; height: 28px; display: flex;
  align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; }
.material-item { padding: 14px 20px; border-bottom: 1px solid var(--gris-claro);
  display: flex; align-items: center; gap: 14px; }
.material-item:last-child { border-bottom: none; }
.material-icon { width: 36px; height: 36px; border-radius: 8px; display: flex;
  align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.material-icon.yt  { background: #ffe0de; }
.material-icon.pdf { background: #ffe0de; }
.material-icon.html{ background: #e0f0ff; }
.material-icon.web { background: #d1f5ea; }
.material-info { flex: 1; }
.material-info h4 { font-size: 14px; font-weight: 600; }
.material-info small { color: var(--gris); font-size: 12px; }
.visto-check { color: #00875a; font-size: 1.2rem; }

/* ── MODAL ────────────────────────────────────────────────── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45);
  display: flex; align-items: center; justify-content: center; z-index: 200;
  opacity: 0; pointer-events: none; transition: var(--trans); }
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal { background: var(--blanco); border-radius: var(--radio); padding: 32px;
  width: 100%; max-width: 520px; max-height: 90vh; overflow-y: auto; }
.modal-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; }
.modal-footer { display: flex; gap: 10px; justify-content: flex-end; margin-top: 24px; }

/* ── RESPONSIVE ───────────────────────────────────────────── */
.hamburger { display: none; background: none; border: none; cursor: pointer;
  color: var(--negro); padding: 6px; }
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); width: 260px; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .hamburger { display: flex; }
  .content-body { padding: 18px 16px; }
  .topbar { padding: 12px 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .login-card { padding: 32px 24px; }
  .part-body { padding: 16px 12px; }
  table { font-size: 13px; }
  td, th { padding: 10px 10px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.3); z-index: 99; }
.sidebar-overlay.active { display: block; }