/* App shell: header, bottom nav (mobile), onboarding, screen-specific bits */
.app-header { position: sticky; top: 0; z-index: 20; background: rgba(255, 245, 248, .88); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border); }
.app-header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); height: 64px; }
.top-nav { display: none; gap: var(--space-1); }
.top-nav a, .bottom-nav a { text-decoration: none; color: var(--color-text-2); font-weight: var(--weight-semibold); }
.top-nav a { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: var(--radius-pill); font-size: var(--text-sm); }
.top-nav a.is-active { background: var(--color-primary-soft); color: var(--rose-700); }
.header-actions { display: flex; align-items: center; gap: var(--space-2); }

.bottom-nav { position: fixed; bottom: 0; left: 0; right: 0; z-index: 20; height: calc(var(--nav-height) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom); display: grid; grid-template-columns: repeat(5, 1fr);
  background: var(--white); border-top: 1px solid var(--color-border); box-shadow: 0 -4px 20px rgba(61, 26, 51, .06); }
.bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; font-size: 11.5px; color: var(--color-muted); }
.bottom-nav a i { font-size: 1.15rem; }
.bottom-nav a.is-active { color: var(--color-primary-strong); }
.bottom-nav a.is-active i { transform: translateY(-1px); }
main#app { padding-bottom: calc(var(--nav-height) + var(--space-8)); min-height: 70vh; }
@media (min-width: 860px) {
  .top-nav { display: flex; }
  .bottom-nav { display: none; }
  main#app { padding-bottom: var(--space-12); }
}
body.is-onboarding .top-nav, body.is-onboarding .bottom-nav, body.is-onboarding .settings-link { display: none; }
body.is-onboarding main#app { padding-bottom: var(--space-10); }

/* ---------- Onboarding ---------- */
.ob-wrap { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.ob-steps { display: flex; gap: 6px; margin-bottom: var(--space-2); }
.ob-steps span { flex: 1; height: 5px; border-radius: 99px; background: var(--rose-200); }
.ob-steps span.is-done { background: var(--color-primary); }
.hero-coin { width: 112px; height: 112px; margin: var(--space-2) auto var(--space-4); display: block; filter: drop-shadow(0 12px 20px rgba(232, 79, 130, .3));
  animation: floaty 5s ease-in-out infinite; }
@keyframes floaty { 50% { transform: translateY(-6px) rotate(6deg); } }
.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.feature-list li { display: flex; gap: var(--space-3); align-items: center; color: var(--color-text-2); }
.feature-list i { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: var(--color-primary-soft); color: var(--color-primary-strong); font-size: .85rem; flex: none; }
.source-row { display: grid; gap: var(--space-3); grid-template-columns: 1fr 1fr; padding: var(--space-4); border: 1px dashed var(--rose-200);
  border-radius: var(--radius-md); background: var(--rose-50); position: relative; }
.source-row .field--name { grid-column: 1 / -1; }
.source-row .icon-btn { position: absolute; top: 4px; right: 4px; }
@media (min-width: 600px) { .source-row { grid-template-columns: 150px 1fr 150px 44px; align-items: end; }
  .source-row .field--name { grid-column: auto; } .source-row .icon-btn { position: static; } }
.total-bar { display: flex; justify-content: space-between; align-items: center; padding: var(--space-4); border-radius: var(--radius-md);
  background: var(--color-primary-soft); color: var(--rose-700); font-weight: var(--weight-semibold); }
.total-bar strong { font-family: var(--font-display); font-size: var(--text-xl); color: var(--plum-900); }
.form-error { color: var(--color-danger); font-size: var(--text-sm); min-height: 1.2em; }

/* ---------- Dashboard ---------- */
.score-card { display: grid; grid-template-columns: auto 1fr; gap: var(--space-5); align-items: center; }
.score-ring { --p: 0; width: 120px; height: 120px; border-radius: 50%; display: grid; place-items: center;
  background: conic-gradient(var(--white) calc(var(--p) * 1%), rgba(255,255,255,.28) 0); transition: --p var(--dur-slow); }
.score-ring__inner { width: 94px; height: 94px; border-radius: 50%; background: var(--rose-600); display: grid; place-items: center; text-align: center; line-height: 1.05; }
.score-ring__num { font-family: var(--font-display); font-size: 2rem; font-weight: 700; }
.score-ring__of { font-size: var(--text-xs); opacity: .85; }
@media (max-width: 420px) { .score-card { grid-template-columns: 1fr; justify-items: center; text-align: center; } }
.bars { display: grid; gap: var(--space-3); }
.bar-row__label { display: flex; justify-content: space-between; font-size: var(--text-sm); margin-bottom: 4px; }
.bar { height: 26px; border-radius: var(--radius-sm); background: var(--plum-100); overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: inherit; transition: width var(--dur-slow) var(--ease); }
.insight { display: flex; gap: var(--space-3); padding: var(--space-3) 0; border-top: 1px solid var(--color-border); }
.insight:first-child { border-top: 0; }
.insight__dot { width: 30px; height: 30px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--color-primary-soft); color: var(--color-primary-strong); font-size: .8rem; }
.parts { display: grid; gap: var(--space-2); }
.part { display: grid; grid-template-columns: 1fr 70px 44px; gap: var(--space-2); align-items: center; font-size: var(--text-sm); }

/* ---------- Plan waterfall + split ---------- */
.flow { display: grid; gap: 2px; }
.flow__row { display: flex; justify-content: space-between; padding: var(--space-3) var(--space-4); background: var(--color-surface-2); font-variant-numeric: tabular-nums; }
.flow__row:first-child { border-radius: var(--radius-md) var(--radius-md) 0 0; }
.flow__row:last-child { border-radius: 0 0 var(--radius-md) var(--radius-md); }
.flow__row--minus { color: var(--color-text-2); }
.flow__row--total { background: var(--color-primary-soft); font-weight: var(--weight-bold); color: var(--rose-700); }
.split-bar { display: flex; height: 18px; border-radius: var(--radius-pill); overflow: hidden; background: var(--rose-100); }
.split-bar span { transition: flex-grow var(--dur-slow) var(--ease); }
.split-legend { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
@media (min-width: 560px) { .split-legend { grid-template-columns: repeat(3, 1fr); } }
.split-item { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); background: var(--color-surface-2); border-left: 4px solid; }

/* ---------- Learn ---------- */
.lesson-grid { display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.lesson { text-align: left; font: inherit; color: inherit; cursor: pointer; border: 1px solid var(--color-border); background: var(--white);
  border-radius: var(--radius-lg); padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); transition: all var(--dur) var(--ease); }
.lesson:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: var(--rose-200); }
.lesson__icon { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: var(--gradient-brand); color: #fff; }
.lesson__num { font-size: var(--text-xs); color: var(--color-muted); font-weight: 600; }
.lesson[aria-expanded="true"] { grid-column: 1 / -1; background: var(--gradient-soft); border-color: var(--rose-300); }
.lesson__body { display: none; }
.lesson[aria-expanded="true"] .lesson__body { display: block; }
.lesson__try { margin-top: var(--space-3); padding: var(--space-3); border-radius: var(--radius-md); background: var(--white); border: 1px dashed var(--rose-300); font-size: var(--text-sm); }
.scam-meter { padding: var(--space-4); border-radius: var(--radius-md); font-weight: var(--weight-semibold); display: flex; gap: var(--space-3); }

/* ---------- Footer ---------- */
.app-footer { text-align: center; font-size: var(--text-xs); color: var(--color-muted); padding: var(--space-6) var(--space-4) calc(var(--nav-height) + var(--space-6)); }
@media (min-width: 860px) { .app-footer { padding-bottom: var(--space-6); } }
.toast { position: fixed; left: 50%; bottom: calc(var(--nav-height) + 20px); transform: translate(-50%, 20px); opacity: 0; z-index: 50;
  background: var(--plum-900); color: var(--white); padding: 10px 18px; border-radius: var(--radius-pill); font-size: var(--text-sm);
  transition: all var(--dur) var(--ease); pointer-events: none; max-width: 90vw; }
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }