/* ============================================
   ARQ·ASTRAL — Campus · Design Tokens
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=League+Spartan:wght@400;500;600;700;800&family=Figtree:ital,wght@0,300;0,400;0,700;0,800;1,400&display=swap');

:root {
  --deep:       #1a0a2e;   /* fondo base oscuro violeta */
  --plum:       #2d0f3a;   /* superficies / cards */
  --plum-2:     #3d1350;
  --violet:     #6b1fa0;
  --fuchsia:    #f72585;
  --fuchsia-2:  #e8004d;
  --pink-light: #ff6aa0;
  --gold:       #fbbf24;
  --cream:      #fff0f5;
  --muted:      #c8a0c2;
  --muted-2:    #9c7a9c;
  --white:      #ffffff;
  --border:     rgba(255,255,255,.12);
  --g1: var(--muted);
  --g2: var(--muted-2);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--deep);
  color: var(--cream);
  font-family: 'Figtree', sans-serif;
  min-height: 100vh;
}

/* ── NAV ── */
.nav {
  background: var(--plum);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 6%;
}
.nav-logo {
  font-family: 'League Spartan', sans-serif;
  font-weight: 800; font-size: 1.1rem; letter-spacing: .12em;
  color: var(--white);
}
.nav-logo span { color: var(--fuchsia); }
.nav-right { display: flex; align-items: center; gap: 20px; }
.nav-user { font-size: .8rem; color: var(--muted); font-weight: 500; }
.nav-link {
  font-size: .72rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase;
  color: var(--pink-light); text-decoration: none;
  border: 1px solid var(--fuchsia); padding: 8px 16px; border-radius: 100px;
  transition: all .2s;
}
.nav-link:hover { background: var(--fuchsia); color: var(--white); }
.nav-signout {
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  font-family: 'Figtree', sans-serif; font-size: .72rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 9px 18px; border-radius: 100px; cursor: pointer; transition: all .2s;
}
.nav-signout:hover { border-color: var(--fuchsia); color: var(--fuchsia); }
.hidden { display: none !important; }

/* ── WRAP / HERO MINI ── */
.wrap { max-width: 1200px; margin: 0 auto; padding: 50px 6% 100px; }
.ey {
  display: inline-block; font-size: .68rem; font-weight: 800;
  letter-spacing: .35em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 10px;
}
.ey--pk { color: var(--fuchsia); }
.hero-mini { margin-bottom: 56px; max-width: 640px; }
.hero-mini h1 {
  font-family: 'League Spartan', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; color: var(--white);
  line-height: 1; margin-bottom: 16px;
}
.hero-mini p { color: var(--muted); font-size: .95rem; line-height: 1.7; }

/* ── EMPTY STATES ── */
.empty-state {
  background: var(--plum); border: 1px solid var(--border); border-radius: 20px;
  padding: 48px 32px; text-align: center; max-width: 520px;
}
.empty-state h3 { font-family: 'League Spartan', sans-serif; color: var(--white); font-size: 1.2rem; margin-bottom: 10px; }
.empty-state p { color: var(--muted); font-size: .9rem; line-height: 1.6; margin-bottom: 20px; }

.btn-cta {
  display: inline-block; background: linear-gradient(135deg, var(--fuchsia), var(--violet));
  color: var(--white); font-family: 'Figtree', sans-serif; font-weight: 800; font-size: .82rem;
  letter-spacing: .08em; text-transform: uppercase; padding: 15px 34px; border-radius: 100px;
  text-decoration: none; border: none; cursor: pointer; transition: transform .2s, box-shadow .2s;
  box-shadow: 0 8px 28px rgba(247,37,133,.3);
}
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(247,37,133,.4); }
.btn-cta--pk { background: linear-gradient(135deg, var(--violet), var(--fuchsia-2)); }

/* ── MODULE BLOCKS ── */
.module-block {
  background: var(--plum); border: 1px solid var(--border); border-radius: 16px;
  margin-bottom: 12px; overflow: hidden;
}
.module-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; cursor: pointer;
}
.module-head h4 { font-family: 'League Spartan', sans-serif; color: var(--white); font-size: 1rem; font-weight: 600; }
.module-arrow { color: var(--fuchsia); font-size: 1.2rem; transition: transform .25s; }
.module-block.open .module-arrow { transform: rotate(90deg); }
.module-body { max-height: 0; overflow: hidden; transition: max-height .3s ease; padding: 0 24px; }
.module-block.open .module-body { max-height: 800px; padding: 0 24px 18px; }
.lesson-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0; border-top: 1px solid var(--border); font-size: .88rem; color: var(--cream);
}
.lesson-row a { color: var(--pink-light); text-decoration: none; font-weight: 700; font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; }
.lesson-row a:hover { color: var(--fuchsia); }

/* ── AUTH SCREEN ── */
.auth-screen {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 30% 20%, var(--violet) 0%, var(--deep) 55%);
  padding: 24px;
}
.auth-card {
  background: rgba(45,15,58,.75); backdrop-filter: blur(20px);
  border: 1px solid var(--border); border-radius: 28px;
  padding: 48px 40px; max-width: 420px; width: 100%;
}
.auth-logo {
  font-family: 'League Spartan', sans-serif; font-weight: 800; font-size: .82rem;
  letter-spacing: .3em; text-transform: uppercase; color: var(--muted); margin-bottom: 28px; text-align: center;
}
.auth-logo span { color: var(--fuchsia); }
.auth-h {
  font-family: 'League Spartan', sans-serif; font-size: 2rem; font-weight: 800;
  color: var(--white); line-height: 1.1; margin-bottom: 10px; text-align: center;
}
.auth-sub { color: var(--muted); font-size: .82rem; text-align: center; margin-bottom: 32px; }
.field { margin-bottom: 16px; }
.field label {
  display: block; font-size: .68rem; font-weight: 700; letter-spacing: .15em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 8px;
}
.field input {
  width: 100%; padding: 14px 18px; background: rgba(255,255,255,.06);
  border: 1px solid var(--border); border-radius: 100px; color: var(--white);
  font-family: 'Figtree', sans-serif; font-size: .9rem; outline: none;
  transition: border-color .3s, background .3s;
}
.field input:focus { border-color: var(--fuchsia); background: rgba(255,255,255,.1); }
.auth-toggle { text-align: center; margin-top: 24px; font-size: .82rem; color: var(--muted); }
.auth-toggle a { color: var(--pink-light); text-decoration: none; font-weight: 700; }
.auth-toggle a:hover { color: var(--fuchsia); }
.auth-msg {
  font-size: .82rem; padding: 12px 18px; border-radius: 12px; margin-bottom: 20px;
  background: rgba(247,37,133,.12); color: var(--pink-light); border: 1px solid rgba(247,37,133,.3);
}
.auth-msg--err { background: rgba(232,0,77,.15); color: #ff8fb3; border-color: rgba(232,0,77,.4); }

/* ── ADMIN ── */
.tabs { display: flex; gap: 8px; margin-bottom: 32px; border-bottom: 1px solid var(--border); }
.tab-btn {
  background: transparent; border: none; color: var(--muted); font-family: 'Figtree', sans-serif;
  font-size: .82rem; font-weight: 700; letter-spacing: .05em; padding: 12px 4px; margin-right: 28px;
  cursor: pointer; border-bottom: 2px solid transparent; transition: all .2s;
}
.tab-btn.active { color: var(--white); border-bottom-color: var(--fuchsia); }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  text-align: left; font-size: .65rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase;
  color: var(--muted); padding: 10px 14px; border-bottom: 1px solid var(--border);
}
.admin-table td { padding: 16px 14px; border-bottom: 1px solid var(--border); font-size: .88rem; vertical-align: top; }
.admin-table td.name-cell { color: var(--white); font-weight: 700; }
.admin-table td.email-cell { color: var(--muted); }
.access-pills { display: flex; flex-wrap: wrap; gap: 6px; max-width: 460px; }
.access-pill {
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  font-family: 'Figtree', sans-serif; font-size: .72rem; font-weight: 700;
  padding: 6px 14px; border-radius: 100px; cursor: pointer; transition: all .2s; white-space: nowrap;
}
.access-pill:hover { border-color: var(--fuchsia); }
.access-pill.on {
  background: linear-gradient(135deg, var(--fuchsia), var(--violet));
  border-color: transparent; color: var(--white);
}
.admin-toolbar {
  display: flex; gap: 12px; align-items: center; margin-bottom: 24px; flex-wrap: wrap;
}
.admin-search {
  flex: 1; min-width: 220px; padding: 12px 18px; background: var(--plum);
  border: 1px solid var(--border); border-radius: 100px; color: var(--white); font-size: .85rem; outline: none;
}
.admin-search:focus { border-color: var(--fuchsia); }
.admin-panel { background: var(--plum); border: 1px solid var(--border); border-radius: 20px; padding: 28px; overflow-x: auto; }

/* ── TOAST ── */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--plum); border: 1px solid var(--fuchsia); color: var(--white);
  padding: 14px 28px; border-radius: 100px; font-size: .85rem; font-weight: 600;
  opacity: 0; pointer-events: none; transition: all .3s; z-index: 200;
  box-shadow: 0 10px 30px rgba(0,0,0,.4);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { border-color: #ff3b3b; }

@media (max-width: 640px) {
  .auth-card { padding: 36px 24px; }
  .admin-panel { padding: 18px; }
}