/**
 * gppulse / TradeNexus / Shandy — Mobile-first shared styles
 *
 * Breakpoints (test on device or DevTools):
 *   • Default (mobile):     0 – 480px   — terminal column, stacked landings
 *   • Small tablet:         481 – 768px — wider landings, terminal still max 480px centered
 *   • Desktop:              769px+      — full nav, multi-column grids
 *
 * Touch: min 44×44px (Apple HIG). Safe areas: iPhone notch/home indicator.
 */
: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);
  --touch-min: 44px;
}

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

body {
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
}

/* Touch-friendly controls */
.btn,
a.btn,
button.btn-touch,
input[type="submit"],
button[type="submit"],
.landing-nav a.btn {
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  touch-action: manipulation;
}

/* Landing: responsive nav */
.landing-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: calc(14px + var(--safe-top)) 0 14px;
  border-bottom: 1px solid var(--border, #C9A84C33);
}

.landing-nav .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 0.85rem;
  align-items: center;
}

@media (max-width: 768px) {
  .landing-nav .nav-links {
    width: 100%;
    justify-content: center;
  }

  .landing-nav .nav-links a:not(.btn) {
    min-height: var(--touch-min);
    display: inline-flex;
    align-items: center;
  }
}

.landing-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 max(20px, var(--safe-left)) 0 max(20px, var(--safe-right));
  padding-bottom: calc(24px + var(--safe-bottom));
}

.landing-hero {
  padding: clamp(32px, 8vw, 64px) 0 40px;
  text-align: center;
}

.landing-hero h1 {
  font-size: clamp(1.5rem, 5vw, 2.6rem);
}

.landing-hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.landing-hero-cta .btn {
  min-width: min(100%, 200px);
  padding: 12px 20px;
}

.landing-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 16px;
  padding: 32px 0;
}

.landing-plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 20px;
}

/* Auth forms */
.auth-page {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(20px, var(--safe-top)) max(20px, var(--safe-right))
    max(20px, var(--safe-bottom)) max(20px, var(--safe-left));
}

.auth-box input,
.auth-box select,
.auth-box button {
  min-height: var(--touch-min);
  font-size: 16px; /* prevents iOS zoom on focus */
}

.auth-box button[type="submit"] {
  width: 100%;
}

/* Shandy / GPJ compact landings */
.landing-mobile {
  max-width: 480px;
  margin: 0 auto;
  padding: max(20px, var(--safe-top)) max(20px, var(--safe-right))
    max(20px, var(--safe-bottom)) max(20px, var(--safe-left));
  min-height: 100dvh;
}

.landing-mobile .btn {
  width: 100%;
  padding: 14px 16px;
  border-radius: 10px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 10px;
  text-decoration: none;
}

.shandy-about {
  background: var(--bg2, #241610);
  border: 1px solid var(--border, #FF6B3533);
  border-radius: 12px;
  padding: 16px;
  margin: 24px 0 8px;
  text-align: left;
}

.shandy-about h2 {
  font-size: 0.95rem;
  color: var(--gold, #FF6B35);
  margin-bottom: 8px;
  font-weight: 700;
}

.shandy-about p {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text2, #B8957A);
  margin: 0;
}

/* Terminal (public/app) — loaded via body.terminal-app */
body.terminal-app {
  padding-left: 0;
  padding-right: 0;
}

body.terminal-app > div:first-of-type {
  padding-top: var(--safe-top);
}

body.terminal-app .tab-content {
  padding-bottom: calc(72px + var(--safe-bottom));
}

body.terminal-app .terminal-bottom-nav {
  padding-bottom: var(--safe-bottom);
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
}

body.terminal-app .terminal-header-btn {
  min-width: var(--touch-min);
  min-height: var(--touch-min);
}

body.terminal-app #bb {
  min-height: var(--touch-min);
  padding: 10px 14px;
}

body.terminal-app .terminal-bottom-nav button {
  min-height: var(--touch-min);
  padding: 10px 2px;
}

body.terminal-app #shandy-mode-badge {
  display: none;
  font-size: 6px;
  padding: 2px 5px;
  background: #FF6B3522;
  border: 1px solid #FF6B3544;
  border-radius: 3px;
  color: #FF6B35;
  font-weight: 700;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

body.terminal-app[data-brand-id="shandy"] #shandy-mode-badge,
body.terminal-app.brand-shandy #shandy-mode-badge {
  display: inline;
}

@media (max-width: 360px) {
  body.terminal-app .terminal-header-stats {
    font-size: 8px;
  }

  body.terminal-app #bb {
    min-width: 64px;
    font-size: 9px;
    padding: 8px 10px;
  }

  body.terminal-app .terminal-bottom-nav span:last-child {
    font-size: 5px;
  }
}