/* ==========================================================
   OrbitMath — style.css
   Dipakai bareng Bootstrap 5. File ini cuma berisi hal-hal
   yang belum ada di Bootstrap: warna tema, font, gradient,
   dan komponen visual khas (orbit, planet, kartu modul).
   ========================================================== */

:root {
  --sky: #eaf1fc;
  --blue: #4f8ef7;
  --blue-deep: #2f5fd1;
  --purple: #8b7fe8;
  --navy: #1f2a44;
  --navy-soft: #54607c;
  --yellow: #f5b942;
  --teal: #4fc7b0;
  --danger: #e0574c;

  /* dipetakan ke variabel Bootstrap biar komponen bawaan (btn, progress, dll) ikut tema */
  --bs-primary: var(--blue);
  --bs-body-font-family: 'Inter', sans-serif;
  --bs-body-color: var(--navy);
  --bs-body-bg: var(--sky);
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--navy);
  background: var(--sky);
}

h1, h2, h3, .font-fredoka {
  font-family: 'Fredoka', sans-serif;
}

a {
  text-decoration: none;
}

/* ---------------- Komponen ulang pakai (semua halaman) ---------------- */

.navbar-glass {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(31, 42, 68, 0.06);
}

.brand-text span {
  color: var(--blue);
}

.btn-gradient {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  font-weight: 600;
  border: none;
  border-radius: 30px;
  box-shadow: 0 8px 18px rgba(79, 142, 247, 0.32);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-gradient:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(79, 142, 247, 0.42);
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-deep);
  background: rgba(79, 142, 247, 0.12);
  padding: 6px 14px;
  border-radius: 20px;
}
.eyebrow-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yellow);
}

footer.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.7);
}
footer.site-footer b {
  color: #fff;
}

/* ---------------- index.html: hero ---------------- */

.hero-section {
  min-height: 88vh;
  background-image: url('../img/bghero.png');
  background-size: cover;
  background-position: center;
}
.hero-copy {
  max-width: 440px;
}
@media (max-width: 820px) {
  .hero-section {
    min-height: auto;
  }
  .hero-copy {
    max-width: 520px;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(6px);
    border-radius: 24px;
    padding: 30px 26px;
  }
}

/* ---------------- login.html: auth card ---------------- */

.art-panel {
  position: relative;
  background: linear-gradient(160deg, #dce9fc 0%, #eaf1fc 55%, #f1ecfb 100%);
  min-height: 100%;
}
.art-panel svg {
  width: 100%;
  height: 100%;
}
@media (max-width: 767.98px) {
  .art-panel {
    display: none;
  }
}

.auth-tabs .nav-link {
  border-radius: 26px;
  font-weight: 600;
  font-size: 13.5px;
  color: var(--navy-soft);
}
.auth-tabs .nav-link.active {
  background: var(--navy);
  color: #fff;
}

.form-control:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 0.2rem rgba(79, 142, 247, 0.15);
}
.field-hint {
  font-size: 11.5px;
  color: var(--navy-soft);
}

.msg-box {
  font-size: 13px;
  padding: 10px 13px;
  border-radius: 10px;
  display: none;
}
.msg-box.show {
  display: block;
}
.msg-box.err {
  background: rgba(224, 87, 76, 0.1);
  color: var(--danger);
}
.msg-box.ok {
  background: rgba(79, 199, 176, 0.12);
  color: #1f8c77;
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(79, 199, 176, 0.14);
}

/* ---------------- dashboard.html ---------------- */

.user-chip {
  background: #fff;
  border-radius: 30px;
  box-shadow: 0 4px 14px rgba(31, 42, 68, 0.08);
}
.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  font-weight: 700;
  font-size: 14px;
}
.logout-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: var(--navy-soft);
  background: var(--sky);
  border: none;
}
.logout-btn:hover {
  background: rgba(224, 87, 76, 0.12);
  color: var(--danger);
}

.hero-card {
  background: linear-gradient(135deg, #dce9fc 0%, #eef0fb 55%, #f3ecfb 100%);
  border-radius: 28px;
}
.hero-card .progress {
  width: 220px;
  height: 9px;
}
.hero-card .progress-bar {
  background: linear-gradient(90deg, var(--blue), var(--purple));
}

.orbit-map-wrap {
  background: #fff;
  border-radius: 26px;
  box-shadow: 0 12px 30px rgba(31, 42, 68, 0.06);
}
.orbit-map-wrap svg {
  max-width: 620px;
}
.planet-node {
  cursor: pointer;
}
.planet-node:hover .planet-ring {
  stroke-width: 3;
}
.planet-label {
  font-family: 'Inter';
  font-weight: 700;
  font-size: 12.5px;
  fill: var(--navy);
}
.planet-sub {
  font-family: 'Inter';
  font-weight: 600;
  font-size: 10px;
}

.module-card {
  border-radius: 22px;
  border: 2px solid transparent;
  box-shadow: 0 10px 26px rgba(31, 42, 68, 0.06);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.module-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(31, 42, 68, 0.1);
}
.module-card.done {
  border-color: rgba(79, 199, 176, 0.4);
}
.module-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
}
.status-pill {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 20px;
}
.status-locked { background: rgba(84, 96, 124, 0.1); color: var(--navy-soft); }
.status-progress { background: rgba(79, 142, 247, 0.12); color: var(--blue-deep); }
.status-done { background: rgba(79, 199, 176, 0.14); color: #1f8c77; }

.stage-track {
  display: flex;
  gap: 5px;
}
.stage-dot {
  flex: 1;
  height: 6px;
  border-radius: 4px;
  background: rgba(31, 42, 68, 0.08);
}
.stage-dot.filled {
  background: linear-gradient(90deg, var(--blue), var(--purple));
}

.quiz-row {
  font-size: 12.5px;
  color: var(--navy-soft);
  background: var(--sky);
  border-radius: 12px;
}
.quiz-row b {
  color: var(--navy);
  font-size: 13px;
}

.cta-review {
  background: #fff;
  border: 1.5px solid rgba(79, 199, 176, 0.5);
  color: #1f8c77;
  border-radius: 12px;
  font-weight: 600;
}
.cta-review:hover {
  background: rgba(79, 199, 176, 0.08);
  color: #1f8c77;
}

.achieve-banner {
  background: linear-gradient(135deg, #2f5fd1, #6a5fd8);
  border-radius: 22px;
  color: #fff;
}
.achieve-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}