/* Mobile portrait — app-style calculator, not a stack of boxes */

:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}

html {
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
}

body {
  overflow-x: clip;
}

.nav-link__short {
  display: none;
}

/* Hide mobile-only UI on tablet+ */
.calc-mobile-tabs {
  display: none;
}

.calc-panel--hidden {
  display: none !important;
}

@media (min-width: 600px) {
  .mobile-fold summary {
    display: none;
  }

  .mobile-fold {
    border: none;
  }

  .mobile-fold > summary ~ * {
    display: block !important;
  }

  .mobile-fold--resources {
    border: none;
  }

  .mobile-fold--resources > summary {
    display: none;
  }
}

/* ——— Phones portrait (≤599px) ——— */
@media (max-width: 599px) {
  .site-header {
    padding-top: var(--safe-top);
  }

  .site-header__inner {
    padding: 0.5rem max(0.65rem, var(--safe-left)) 0.5rem max(0.65rem, var(--safe-right));
    gap: 0.35rem;
  }

  .logo {
    font-size: 0.9rem;
  }

  .logo__text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .nav {
    flex: 1;
    min-width: 0;
    padding: 0.15rem;
  }

  .nav a {
    padding: 0.4rem 0.5rem;
    font-size: 0.78rem;
    min-height: 36px;
  }

  .nav-link__full {
    display: none;
  }

  .nav-link__short {
    display: inline;
  }

  .theme-toggle {
    min-width: 40px;
    min-height: 40px;
    padding: 0.35rem;
  }

  .theme-toggle__label {
    display: none !important;
  }

  .site-shell,
  .hub-shell {
    padding: 0.5rem max(0.65rem, var(--safe-left)) 1.25rem max(0.65rem, var(--safe-right));
  }

  .site-footer {
    padding-bottom: max(1rem, calc(0.75rem + var(--safe-bottom)));
  }

  .site-main {
    gap: 0.65rem;
  }

  /* Ads: one slim strip only */
  .ad-slot--leaderboard:not(.ad-rail--mobile) {
    display: none;
  }

  .site-main > .ad-slot.ad-slot--rectangle {
    display: none;
  }

  .ad-rail--mobile {
    max-width: 100%;
    margin: 0;
  }

  .ad-rail--mobile .ad-slot__creative {
    min-height: 50px;
  }

  .ad-slot__label {
    padding: 0.25rem 0.4rem;
    font-size: 0.58rem;
  }

  .site-footer .ad-slot .ad-slot__creative {
    min-height: 50px;
  }

  /* Compact page title */
  .page-hero {
    text-align: center;
    padding: 0.25rem 0 0.5rem;
  }

  .page-hero h1 {
    font-size: 1.05rem;
    line-height: 1.25;
    margin: 0.25rem 0 0;
  }

  .page-hero p,
  #pageSubtitle {
    display: none;
  }

  .badge {
    font-size: 0.62rem;
    padding: 0.2rem 0.5rem;
    margin: 0;
  }

  /* —— Calculator shell —— */
  .calc-unified {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .calc-unified--mobile .calc-unified__toolbar {
    display: none;
  }

  .calc-unified__toolbar-desc,
  .calc-unified__live {
    display: none;
  }

  /* Tab bar */
  .calc-mobile-tabs {
    display: flex;
    gap: 0;
    padding: 0;
    background: var(--surface-muted);
    border-bottom: 1px solid var(--border);
  }

  .calc-mobile-tabs__btn {
    flex: 1;
    margin: 0;
    padding: 0.65rem 0.5rem;
    border: none;
    border-bottom: 2px solid transparent;
    background: transparent;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--muted);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }

  .calc-mobile-tabs__btn.is-active {
    color: var(--primary);
    background: var(--surface);
    border-bottom-color: var(--primary);
  }

  .calc-unified__grid {
    display: block;
  }

  .calc-panel {
    padding: 0;
  }

  .calc-panel__title {
    display: none;
  }

  /* —— Results tab (compact) —— */
  .calc-panel--results .result-hero {
    padding: 0.85rem 0.75rem 0.65rem;
    border-radius: 0;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, var(--success-soft) 0%, var(--surface) 100%);
  }

  .calc-panel--results .result-hero__label {
    font-size: 0.65rem;
    margin-bottom: 0.15rem;
  }

  .calc-panel--results .result-hero__amount {
    font-size: clamp(1.65rem, 8vw, 2rem);
    line-height: 1.05;
  }

  .calc-panel--results .result-hero__sub {
    font-size: 0.72rem;
    margin-top: 0.35rem;
  }

  /* Stats: one slim bar, not 3 boxes */
  .calc-panel--results .stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    background: var(--surface-muted);
    border-bottom: 1px solid var(--border);
    margin: 0;
  }

  .calc-panel--results .stat {
    display: block;
    text-align: center;
    padding: 0.45rem 0.25rem;
    border: none;
    border-radius: 0;
    background: transparent;
  }

  .calc-panel--results .stat + .stat {
    border-left: 1px solid var(--border);
  }

  .calc-panel--results .stat__val {
    font-size: 0.82rem;
    order: unset;
  }

  .calc-panel--results .stat__label {
    font-size: 0.58rem;
    margin-top: 0.1rem;
    padding: 0;
    text-align: center;
    letter-spacing: 0.02em;
  }

  /* Partners: horizontal chips */
  .calc-panel--results .affiliate-strip {
    margin: 0;
    padding: 0.45rem 0 0.5rem;
    background: var(--surface);
    border: none;
    border-bottom: 1px solid var(--border);
  }

  .affiliate-strip__heading {
    padding: 0 0.75rem 0.35rem;
    font-size: 0.58rem;
  }

  .affiliate-strip__disclosure {
    display: none;
  }

  .affiliate-strip__grid {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.4rem;
    padding: 0 0.75rem 0.15rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }

  .affiliate-strip__grid::-webkit-scrollbar {
    display: none;
  }

  a.affiliate-card {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 5.5rem;
    min-height: 0;
    padding: 0.4rem 0.35rem;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    scroll-snap-align: start;
    gap: 0;
  }

  .affiliate-card__name {
    font-size: 0.72rem;
    text-align: center;
  }

  .affiliate-card__desc,
  .affiliate-card__cta {
    display: none;
  }

  /* Schedule: 2-up inline */
  .calc-panel--results .schedule {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 0;
    border-bottom: 1px solid var(--border);
  }

  .calc-panel--results .schedule-box {
    padding: 0.5rem 0.65rem;
    border-radius: 0;
    background: var(--surface);
  }

  .calc-panel--results .schedule-box + .schedule-box {
    border-left: 1px solid var(--border);
  }

  .schedule-box__label {
    font-size: 0.58rem;
  }

  .schedule-box__val {
    font-size: 0.95rem;
  }

  .schedule-box__hint {
    font-size: 0.58rem;
  }

  /* Collapsible sections */
  .mobile-fold {
    border-bottom: 1px solid var(--border);
  }

  .mobile-fold summary {
    list-style: none;
    cursor: pointer;
    padding: 0.6rem 0.75rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: var(--surface-muted);
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-fold summary::-webkit-details-marker {
    display: none;
  }

  .mobile-fold summary::after {
    content: '+';
    float: right;
    font-weight: 600;
    color: var(--muted);
  }

  .mobile-fold[open] summary::after {
    content: '−';
  }

  .mobile-fold .alerts {
    padding: 0.5rem 0.75rem 0;
  }

  .mobile-fold .waterfall-row {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }

  .mobile-fold--chart .chart-section,
  .mobile-fold--chart .bracket-section {
    padding: 0.65rem 0.75rem;
  }

  .mobile-fold--chart .chart-wrap {
    height: 140px;
    min-height: 120px;
  }

  .mobile-fold--chart .chart-caption {
    font-size: 0.68rem;
    margin-bottom: 0.35rem;
  }

  .calc-panel--results .disclaimer-bar {
    margin: 0;
    padding: 0.55rem 0.75rem;
    font-size: 0.62rem;
    border-radius: 0;
    background: var(--surface-muted);
  }

  /* —— Inputs tab —— */
  .calc-panel--inputs {
    padding: 0.75rem;
  }

  .calc-panel--inputs .input-group {
    margin-bottom: 0.85rem;
  }

  .calc-panel--inputs .input-group label {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.35rem;
  }

  .calc-panel--inputs .input-group .hint {
    font-size: 0.65rem;
    flex: 1 1 100%;
  }

  .input-wrap input[type='text'],
  .input-wrap input[type='number'] {
    font-size: 1.15rem;
    padding: 0.6rem 0.5rem 0.6rem 0.2rem;
    min-height: 42px;
  }

  input[type='range'] {
    height: 24px;
    margin-top: 0.5rem;
  }

  .advanced-toggle {
    min-height: 44px;
    padding: 0.55rem 0;
    font-size: 0.82rem;
  }

  /* Resources fold (guides / FAQ) */
  .mobile-fold--resources {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-top: 0.35rem;
  }

  .mobile-fold--resources > summary {
    background: var(--surface);
    color: var(--text);
  }

  .mobile-fold--resources .content-section {
    display: block;
    gap: 0;
  }

  .mobile-fold--resources .card {
    box-shadow: none;
    border: none;
    border-radius: 0;
    border-bottom: 1px solid var(--border);
  }

  .mobile-fold--resources .card:last-child {
    border-bottom: none;
  }

  .mobile-fold--resources .card__header {
    padding: 0.65rem 0.75rem;
  }

  .mobile-fold--resources .card__header h2 {
    font-size: 0.82rem;
  }

  .mobile-fold--resources .card__body {
    padding: 0 0.75rem 0.75rem;
  }

  .guide-links {
    gap: 0.35rem;
  }

  .guide-links a {
    padding: 0.5rem 0.65rem;
    font-size: 0.8rem;
  }

  .deduction-chip {
    padding: 0.45rem 0.6rem;
    font-size: 0.75rem;
  }

  .faq-q {
    font-size: 0.85rem;
    padding: 0.65rem 0;
    min-height: 44px;
  }

  /* Hub */
  .hub-hero {
    padding: 1.25rem 0.25rem 0.75rem;
  }

  .hub-hero h1 {
    font-size: 1.45rem;
  }

  .hub-card {
    padding: 1rem;
  }

  .features {
    gap: 0.5rem;
    margin-top: 1rem;
  }

  .feature {
    flex-direction: row;
    padding: 0.55rem 0.7rem;
    max-width: none;
    text-align: left;
  }

  .feature__icon {
    margin-bottom: 0;
  }
}

@media (max-width: 359px) {
  .logo__text {
    display: none;
  }

  a.affiliate-card {
    width: 4.75rem;
  }
}

@media (min-width: 600px) and (max-width: 899px) {
  .site-shell,
  .hub-shell {
    padding-left: max(1rem, var(--safe-left));
    padding-right: max(1rem, var(--safe-right));
  }
}

@media (hover: none) and (pointer: coarse) {
  .theme-toggle,
  .nav a,
  .advanced-toggle,
  .faq-q,
  .calc-mobile-tabs__btn,
  .mobile-fold summary {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }

  input[type='range']::-webkit-slider-thumb {
    width: 22px;
    height: 22px;
  }
}

@media (max-height: 500px) and (orientation: landscape) {
  .page-hero h1 {
    font-size: 1rem;
  }
}