/* GOSpanol Training Book Engine — Infinity-parity UI (purple ops shell) */
:root {
  --navy: #5B21B6;
  --nl: #EDE9FE;
  --nm: #7C3AED;
  --nd: #3B0E8C;
  --green: #085041;
  --gb: #E1F5EE;
  --gm: #0F6E56;
  --amber: #D97706;
  --ab: #FAEEDA;
  --ad: #633806;
  --red: #791F1F;
  --rb: #FCEBEB;
  --rm: #A32D2D;
  --purple: #5B21B6;
  --purple-light: #7C3AED;
  --purple-glow: rgba(91, 33, 182, 0.12);
  --gold: #F5A623;
  --gray: #F8F8FF;
  --border: #E2E8F0;
  --text: #1E1E2E;
  --t2: #4A4A6A;
  --t3: #8888AA;
  --r: 8px;
  --rl: 12px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: #F8F8FF;
  color: var(--text);
  min-height: 100vh;
}
a { color: inherit; }

.topbar {
  background: var(--navy);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 52px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(91, 33, 182, 0.22);
}
.topbar img.brand-mark {
  height: 34px;
  width: auto;
  border-radius: 8px;
  object-fit: contain;
  background: #111;
}
.tb-brand { font-size: 13px; font-weight: 800; color: #fff; letter-spacing: 0.01em; }
.tb-brand small {
  display: block;
  font-size: 9px;
  font-weight: 600;
  opacity: 0.65;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.tb-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.tb-student {
  font-size: 11px;
  font-weight: 700;
  color: var(--gold);
  background: rgba(245, 166, 35, 0.15);
  border: 1px solid rgba(245, 166, 35, 0.35);
  padding: 4px 12px;
  border-radius: 20px;
}

.btn {
  padding: 8px 14px;
  border: none;
  border-radius: var(--r);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn:hover { opacity: 0.9; }
.btn-navy, .btn-metal { background: var(--navy); color: #fff; }
.btn-hi { background: var(--nm); color: #fff; }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.btn-ghost {
  background: #fff;
  color: var(--navy);
  border: 1px solid var(--border);
}
.btn-danger { background: var(--rm); color: #fff; }

/* LOGIN / ACCESS GATE */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: #F8F8FF;
}
.login-card, .sel-card {
  width: min(100%, 420px);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--rl);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: 0 8px 28px rgba(91, 33, 182, 0.08);
}
.login-logo, .sel-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 16px;
  margin: 0 auto 1.25rem;
  background: #111;
}
.login-title, .sel-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.login-title span.go { color: var(--nm); }
.login-tag {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--t3);
  margin-bottom: 0.75rem;
}
.login-sub, .sel-sub {
  font-size: 13px;
  color: var(--t2);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}
.login-card label {
  display: block;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: var(--t3);
  margin-bottom: 4px;
}
.login-card input,
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  font: inherit;
  margin-bottom: 0.85rem;
  background: #fff;
  color: var(--text);
}
.login-card input:focus,
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--nm);
}
.login-actions { display: grid; gap: 8px; margin-top: 0.5rem; }
.login-actions .btn { width: 100%; justify-content: center; padding: 13px; font-size: 14px; }
.login-err {
  color: var(--rm);
  font-size: 12px;
  font-weight: 600;
  min-height: 18px;
  margin-bottom: 0.5rem;
}

/* APP SHELL */
.main-wrap { display: flex; height: calc(100vh - 52px); }
.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.content { flex: 1; overflow-y: auto; padding: 16px; background: #F8F8FF; }

.student-card { padding: 1rem; border-bottom: 1px solid var(--border); background: #fff; }
.sc-name { font-size: 14px; font-weight: 800; color: var(--navy); margin-bottom: 3px; }
.sc-meta { font-size: 11px; color: var(--t2); margin-bottom: 8px; line-height: 1.4; }
.sc-kpi-row { display: flex; gap: 5px; flex-wrap: wrap; }
.kpi-pill { font-size: 9px; padding: 2px 7px; border-radius: 20px; font-weight: 700; }
.kp-strong { background: var(--gb); color: var(--gm); }
.kp-dev { background: var(--ab); color: var(--ad); }
.kp-weak { background: var(--rb); color: var(--rm); }

.nav-section {
  padding: 0.75rem 1rem 0.25rem;
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--t3);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.625rem 1rem;
  cursor: pointer;
  color: var(--t2);
  font-size: 12px;
  font-weight: 600;
  border-left: 3px solid transparent;
  text-decoration: none;
  border-top: 0;
  border-right: 0;
  border-bottom: 0;
  background: transparent;
  width: 100%;
  text-align: left;
  font-family: inherit;
  transition: all 0.15s;
}
.nav-item:hover { background: var(--gray); color: var(--text); }
.nav-item.active {
  background: var(--nl);
  color: var(--navy);
  border-left-color: var(--navy);
  font-weight: 700;
}
.nav-item i { font-size: 16px; flex-shrink: 0; }
.nav-badge { margin-left: auto; font-size: 9px; padding: 2px 7px; border-radius: 20px; font-weight: 700; }
.nb-red { background: var(--rb); color: var(--rm); }
.nb-green { background: var(--gb); color: var(--gm); }
.nb-blue { background: var(--nl); color: var(--nd); }
.nav-demo { margin-left: auto; font-size: 10px; font-weight: 800; color: var(--purple); }

.portal-section {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
}
.section-title { font-size: 14px; font-weight: 800; color: var(--navy); margin-bottom: 4px; }
.section-sub { font-size: 11px; color: var(--t3); margin-bottom: 12px; }

.phase-banner {
  background: var(--navy);
  color: #fff;
  border-radius: var(--rl);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}
.pb-phase { font-size: 11px; opacity: 0.7; text-transform: uppercase; letter-spacing: 0.08em; }
.pb-name { font-size: 20px; font-weight: 800; }
.pb-desc { font-size: 12px; opacity: 0.8; max-width: 420px; line-height: 1.45; }
.pb-score { font-size: 48px; font-weight: 800; line-height: 1; }
.pb-score-label { font-size: 11px; opacity: 0.7; }

.kpi-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
}
.kpi-bar-row:last-child { border-bottom: none; }
.kbar-name { font-size: 12px; font-weight: 700; width: 140px; flex-shrink: 0; }
.kbar-bg { flex: 1; height: 8px; background: var(--gray); border-radius: 4px; overflow: hidden; }
.kbar-fill { height: 100%; border-radius: 4px; background: var(--nm); }
.kbar-val { font-size: 13px; font-weight: 800; width: 36px; text-align: right; }

.ex-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 0.75rem;
  background: #fff;
}
.ex-header {
  background: linear-gradient(135deg, var(--navy), #2a3578);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.ex-title { font-size: 13px; font-weight: 700; color: #fff; }
.ex-type {
  font-size: 10px;
  font-weight: 700;
  color: #c4b5fd;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.ex-body { padding: 1rem; }
.ex-objective {
  background: var(--gray);
  border-radius: var(--r);
  padding: 0.75rem;
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}
.ex-example-bad {
  background: var(--rb);
  color: var(--rm);
  border-radius: var(--r);
  padding: 0.65rem;
  font-size: 12px;
  margin-bottom: 5px;
}
.ex-example-good {
  background: var(--gb);
  color: var(--green);
  border-radius: var(--r);
  padding: 0.65rem;
  font-size: 12px;
}
.status-badge { font-size: 9px; font-weight: 700; padding: 3px 8px; border-radius: 10px; }
.status-pending { background: var(--ab); color: var(--ad); }
.status-progress { background: var(--nl); color: var(--nd); }
.status-done { background: var(--gb); color: var(--gm); }

.tool-card {
  display: flex;
  gap: 12px;
  padding: 14px;
  border: 2px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.tool-card:hover {
  border-color: rgba(91, 33, 182, 0.45);
  box-shadow: 0 8px 24px rgba(91, 33, 182, 0.12);
  transform: translateY(-2px);
}
.tool-card.off { opacity: 0.45; pointer-events: none; }
.tool-logo {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, #F5A623, #D97706);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.tool-name { font-size: 13px; font-weight: 800; color: var(--navy); margin-bottom: 4px; }
.tool-desc { font-size: 11px; color: var(--t2); line-height: 1.5; margin-bottom: 6px; }
.tool-cta { font-size: 11px; font-weight: 800; color: var(--purple); }

.vale-thread { display: grid; gap: 8px; margin-top: 10px; }
.vale-msg { padding: 0.7rem 0.85rem; border-radius: 12px; font-size: 13px; line-height: 1.45; }
.vale-msg.bot { background: var(--nl); }
.vale-msg.user { background: var(--navy); color: #fff; justify-self: end; max-width: 92%; }

.drill-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.drill-item {
  background: var(--gray);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 0.85rem;
  text-align: center;
}
.drill-en { font-size: 11px; color: var(--t3); margin-bottom: 3px; }
.drill-es { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.drill-btns { display: flex; gap: 5px; justify-content: center; }
.drill-btn {
  padding: 4px 12px;
  border: none;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}
.drill-pass { background: var(--gb); color: var(--gm); }
.drill-fail { background: var(--rb); color: var(--rm); }
.drill-item.is-pass { border-color: var(--gm); background: var(--gb); }
.drill-item.is-fail { border-color: var(--rm); background: var(--rb); }

.info-box { border-radius: var(--r); padding: 1rem; margin-bottom: 1rem; font-size: 13px; line-height: 1.6; }
.ib-metal, .ib-navy { background: var(--nl); border-left: 4px solid var(--nm); color: var(--nd); }

.session-log-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 10px;
}
.sli-header { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; font-size: 11px; color: var(--t3); }
.sli-text { font-size: 13px; line-height: 1.55; }

.view { display: none; }
.view.active { display: block; }

.radar-wrap {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1rem;
  align-items: center;
  margin-top: 0.5rem;
}
.radar-svg { width: 200px; height: 200px; }
.radar-score-pill {
  display: inline-block;
  margin-top: 8px;
  font-size: 12px;
  font-weight: 800;
  color: var(--navy);
  background: var(--nl);
  padding: 4px 10px;
  border-radius: 20px;
}
.tool-grid { display: grid; gap: 10px; }
.note-form { display: grid; gap: 8px; margin-bottom: 12px; }
.note-form textarea {
  width: 100%;
  min-height: 72px;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  font: inherit;
  resize: vertical;
}
.plan-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 10px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
  background: #fff;
}
.plan-day {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--nm);
}
.plan-item { font-size: 13px; line-height: 1.5; }
.kpi-legend-grid { display: grid; gap: 8px; }
.exit-hint { font-size: 11px; color: var(--t3); margin-top: 8px; }

/* TRAINER */
.trainer-grid { display: grid; grid-template-columns: 280px 1fr; gap: 14px; }
.list-card, .detail-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
}
.student-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
  cursor: pointer;
}
.student-row:hover, .student-row.active {
  border-color: var(--nm);
  background: var(--nl);
}
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  background: var(--gray);
  border-radius: 10px;
  margin: 10px 0;
}
.toggle {
  width: 48px;
  height: 28px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  background: #B0BEC5;
  position: relative;
  transition: background 0.15s;
}
.toggle.on { background: var(--nm); }
.toggle::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.15s;
}
.toggle.on::after { transform: translateX(20px); }
.field { margin-bottom: 0.75rem; }
.field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--t3);
  margin-bottom: 4px;
}
.toast {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  background: var(--navy);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  display: none;
  z-index: 100;
}
.toast.show { display: block; }

@media (max-width: 900px) {
  .main-wrap { flex-direction: column; height: auto; min-height: calc(100vh - 52px); }
  .sidebar {
    width: 100%;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .student-card, .nav-section { display: none; }
  .nav-item {
    flex: 0 0 auto;
    white-space: nowrap;
    border-left: none;
    border-radius: 8px;
  }
  .nav-item.active { background: var(--nl); }
  .trainer-grid, .drill-grid, .radar-wrap { grid-template-columns: 1fr; }
  .topbar .tb-right .btn-outline { padding: 6px 8px; font-size: 11px; }
}