/* ============================================================================
   plans.css — premium pricing + checkout experience for Delphos.
   Rendered as a full-screen SPA overlay (no page reload). Dark, clean, and
   professional; leans on the app's existing CSS variables with safe fallbacks.
   ========================================================================== */

.plans-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000;
  overflow-y: auto;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(120, 140, 255, 0.10), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(255, 160, 120, 0.08), transparent 55%),
    var(--primary-color, #0e0e11);
  color: var(--text-color, #ececf1);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .28s ease, transform .28s ease;
  -webkit-font-smoothing: antialiased;
  font-family: inherit;
}
.plans-overlay.plans-visible { opacity: 1; transform: none; }

.plans-scroll { min-height: 100%; padding: 26px clamp(16px, 5vw, 64px) 72px; box-sizing: border-box; }

/* ── Top bar ─────────────────────────────────────────────────────────────── */
.plans-topbar {
  display: flex; align-items: center; gap: 14px;
  max-width: 1120px; margin: 0 auto 8px;
}
.plans-back {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: transparent; border: 1px solid transparent;
  color: var(--text-color, #ececf1); cursor: pointer;
  transition: background .16s ease, border-color .16s ease;
}
.plans-back:hover { background: var(--secondary-hover-color, rgba(255,255,255,.07)); }
.plans-back .material-symbols-rounded { font-size: 24px; }
.plans-brand { font-size: 15px; font-weight: 600; letter-spacing: .2px; opacity: .85; }

/* ── Header ──────────────────────────────────────────────────────────────── */
.plans-header { text-align: center; max-width: 720px; margin: 22px auto 26px; }
.plans-header h1 {
  font-size: clamp(26px, 4vw, 40px); font-weight: 650; margin: 0 0 10px;
  letter-spacing: -0.5px; line-height: 1.1;
}
.plans-header p { margin: 0; color: var(--subheading-color, #a7a7b3); font-size: 15px; }

/* ── Billing toggle ──────────────────────────────────────────────────────── */
.plans-billing {
  display: inline-flex; align-items: center; gap: 4px;
  margin: 18px auto 0; padding: 4px;
  background: var(--secondary-color, rgba(255,255,255,.05));
  border: 1px solid var(--border-color, rgba(255,255,255,.10));
  border-radius: 999px;
}
.plans-billing-wrap { text-align: center; }
.plans-bill-btn {
  border: none; background: transparent; color: var(--subheading-color, #a7a7b3);
  padding: 8px 18px; border-radius: 999px; cursor: pointer; font-size: 13.5px;
  font-weight: 550; display: inline-flex; align-items: center; gap: 8px;
  transition: color .16s ease, background .16s ease;
}
.plans-bill-btn.active { background: var(--text-color, #ececf1); color: var(--primary-color, #101014); }
.plans-save-pill {
  font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 999px;
  background: rgba(80, 200, 140, .18); color: #58d19a; letter-spacing: .3px;
}
.plans-bill-btn.active .plans-save-pill { background: rgba(20,120,70,.22); color: #0a6b3f; }

/* ── Card grid ───────────────────────────────────────────────────────────── */
.plans-grid {
  display: grid; gap: 20px; max-width: 1120px; margin: 32px auto 0;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px) { .plans-grid { grid-template-columns: 1fr; max-width: 460px; } }

.plan-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--secondary-color, rgba(255,255,255,.035));
  border: 1px solid var(--border-color, rgba(255,255,255,.09));
  border-radius: 20px; padding: 26px 24px 28px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.plan-card:hover { transform: translateY(-3px); border-color: rgba(255,255,255,.18); }
.plan-card.highlight {
  border-color: color-mix(in srgb, var(--accent-color, #6b8afd) 60%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent-color, #6b8afd) 45%, transparent),
              0 24px 60px -30px color-mix(in srgb, var(--accent-color, #6b8afd) 80%, transparent);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent-color, #6b8afd) 10%, transparent), transparent 40%),
    var(--secondary-color, rgba(255,255,255,.045));
}
.plan-badge {
  position: absolute; top: 16px; right: 16px;
  font-size: 11px; font-weight: 700; letter-spacing: .3px;
  padding: 4px 10px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent-color, #6b8afd) 22%, transparent);
  color: var(--accent-color, #9db0ff);
}

.plan-icon {
  width: 40px; height: 40px; border-radius: 11px; margin-bottom: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--secondary-hover-color, rgba(255,255,255,.07));
  color: var(--accent-color, #9db0ff);
}
.plan-icon .material-symbols-rounded { font-size: 22px; }
.plan-name { font-size: 20px; font-weight: 650; margin: 0; }
.plan-tagline { color: var(--subheading-color, #a7a7b3); font-size: 13.5px; margin: 4px 0 18px; }

.plan-price { display: flex; align-items: baseline; gap: 6px; margin: 0 0 4px; }
.plan-price .amt { font-size: 34px; font-weight: 680; letter-spacing: -1px; }
.plan-price .per { color: var(--subheading-color, #a7a7b3); font-size: 13px; }
.plan-price-sub { color: var(--subheading-color, #a7a7b3); font-size: 12px; min-height: 16px; margin: 0 0 20px; }

.plan-cta {
  width: 100%; border: 1px solid var(--border-color, rgba(255,255,255,.14));
  background: var(--secondary-hover-color, rgba(255,255,255,.06));
  color: var(--text-color, #ececf1);
  padding: 12px 16px; border-radius: 12px; font-size: 14px; font-weight: 600;
  cursor: pointer; transition: background .16s ease, transform .12s ease, opacity .16s ease;
}
.plan-cta:hover { background: var(--secondary-hover-color, rgba(255,255,255,.12)); }
.plan-cta:active { transform: scale(.985); }
.plan-cta.primary {
  background: var(--accent-color, #6b8afd); border-color: transparent; color: #fff;
}
.plan-cta.primary:hover { filter: brightness(1.06); }
.plan-cta.current { background: transparent; cursor: default; opacity: .7; }
.plan-cta.current:hover { background: transparent; }

.plan-features { list-style: none; margin: 22px 0 0; padding: 18px 0 0; border-top: 1px solid var(--border-color, rgba(255,255,255,.08)); display: flex; flex-direction: column; gap: 11px; }
.plan-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; color: var(--text-color, #d9d9e3); line-height: 1.4; }
.plan-features li.lead { color: var(--subheading-color, #a7a7b3); font-weight: 600; }
.plan-features .material-symbols-rounded { font-size: 18px; color: #58d19a; flex-shrink: 0; margin-top: 1px; }

.plans-footnote { text-align: center; color: var(--subheading-color, #8a8a95); font-size: 12px; margin: 34px auto 0; max-width: 720px; }

/* ── Checkout ────────────────────────────────────────────────────────────── */
.checkout-wrap {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px;
  max-width: 980px; margin: 30px auto 0; align-items: start;
}
@media (max-width: 860px) { .checkout-wrap { grid-template-columns: 1fr; max-width: 520px; } }

.checkout-title { font-size: clamp(22px, 3vw, 30px); font-weight: 640; margin: 8px 0 20px; letter-spacing: -.4px; }
.co-section-label { font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--subheading-color, #a7a7b3); margin: 22px 0 10px; font-weight: 600; }

.co-option {
  display: flex; align-items: center; gap: 14px; width: 100%;
  border: 1px solid var(--border-color, rgba(255,255,255,.10));
  background: var(--secondary-color, rgba(255,255,255,.03));
  border-radius: 14px; padding: 15px 16px; cursor: pointer; text-align: left;
  transition: border-color .16s ease, background .16s ease; margin-bottom: 10px;
}
.co-option:hover { border-color: rgba(255,255,255,.22); }
.co-option.selected {
  border-color: var(--accent-color, #6b8afd);
  background: color-mix(in srgb, var(--accent-color, #6b8afd) 10%, transparent);
}
.co-radio {
  width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0;
  border: 2px solid var(--subheading-color, #6b6b76); position: relative;
}
.co-option.selected .co-radio { border-color: var(--accent-color, #6b8afd); }
.co-option.selected .co-radio::after {
  content: ''; position: absolute; inset: 3px; border-radius: 50%;
  background: var(--accent-color, #6b8afd);
}
.co-option .co-opt-main { flex: 1; }
.co-option .co-opt-title { font-size: 14.5px; font-weight: 600; }
.co-option .co-opt-sub { font-size: 12.5px; color: var(--subheading-color, #a7a7b3); margin-top: 2px; }
.co-option .co-opt-price { font-size: 14.5px; font-weight: 650; text-align: right; }
.co-option .co-save { font-size: 11px; color: #58d19a; display: block; }

.co-gift {
  display: flex; gap: 10px; margin-top: 6px;
}
.co-gift input {
  flex: 1; background: var(--secondary-color, rgba(255,255,255,.04));
  border: 1px solid var(--border-color, rgba(255,255,255,.12));
  color: var(--text-color, #ececf1); border-radius: 12px; padding: 12px 14px;
  font-size: 14px; letter-spacing: 1px; text-transform: uppercase; outline: none;
  transition: border-color .16s ease;
}
.co-gift input:focus { border-color: var(--accent-color, #6b8afd); }
.co-gift button {
  border: 1px solid var(--border-color, rgba(255,255,255,.14));
  background: var(--secondary-hover-color, rgba(255,255,255,.07));
  color: var(--text-color, #ececf1); border-radius: 12px; padding: 0 18px;
  font-weight: 600; font-size: 13.5px; cursor: pointer; white-space: nowrap;
  transition: background .16s ease;
}
.co-gift button:hover { background: var(--secondary-hover-color, rgba(255,255,255,.13)); }
.co-gift-msg { font-size: 12.5px; margin: 10px 2px 0; min-height: 16px; }
.co-gift-msg.ok { color: #58d19a; }
.co-gift-msg.err { color: #ff6b6b; }
.co-gift-hint { font-size: 12px; color: var(--subheading-color, #8a8a95); margin: 8px 2px 0; }

/* Summary card */
.co-summary {
  position: sticky; top: 24px;
  border: 1px solid var(--border-color, rgba(255,255,255,.10));
  background: var(--secondary-color, rgba(255,255,255,.04));
  border-radius: 18px; padding: 24px 22px;
}
.co-summary h3 { margin: 0 0 4px; font-size: 20px; font-weight: 640; }
.co-summary .co-plan-tag { color: var(--subheading-color, #a7a7b3); font-size: 13px; margin: 0 0 18px; }
.co-line { display: flex; justify-content: space-between; align-items: center; font-size: 13.5px; padding: 8px 0; color: var(--text-color, #d9d9e3); }
.co-line.muted { color: var(--subheading-color, #a7a7b3); }
.co-line.discount { color: #58d19a; }
.co-divider { height: 1px; background: var(--border-color, rgba(255,255,255,.10)); margin: 8px 0; }
.co-total { display: flex; justify-content: space-between; align-items: baseline; font-size: 15px; font-weight: 650; padding: 10px 0 2px; }
.co-total .amt { font-size: 24px; letter-spacing: -.5px; }
.co-renewal { font-size: 12px; color: var(--subheading-color, #8a8a95); margin: 8px 0 18px; line-height: 1.5; }
.co-subscribe {
  width: 100%; border: none; border-radius: 12px; padding: 14px; font-size: 15px;
  font-weight: 650; cursor: pointer; transition: filter .16s ease, opacity .16s ease;
  background: var(--accent-color, #6b8afd); color: #fff;
}
.co-subscribe:hover { filter: brightness(1.07); }
.co-subscribe:disabled { opacity: .5; cursor: not-allowed; }
.co-secure { display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 11.5px; color: var(--subheading-color, #8a8a95); margin-top: 12px; }
.co-secure .material-symbols-rounded { font-size: 15px; }

/* Success state */
.co-success { max-width: 460px; margin: 60px auto; text-align: center; }
.co-success .co-tick {
  width: 66px; height: 66px; border-radius: 50%; margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(80,200,140,.16); color: #58d19a;
}
.co-success .co-tick .material-symbols-rounded { font-size: 38px; }
.co-success h2 { font-size: 24px; font-weight: 650; margin: 0 0 8px; }
.co-success p { color: var(--subheading-color, #a7a7b3); font-size: 14.5px; margin: 0 0 24px; }

.plans-spinner {
  width: 26px; height: 26px; border-radius: 50%;
  border: 3px solid var(--border-color, rgba(255,255,255,.15));
  border-top-color: var(--accent-color, #6b8afd);
  animation: plansSpin .8s linear infinite; margin: 60px auto;
}
@keyframes plansSpin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .plans-overlay, .plan-card, .co-subscribe, .plan-cta { transition: none; }
  .plans-spinner { animation-duration: 1.6s; }
}

/* ── Settings → Account → Usage bar note + upgrade CTA ─────────────────────── */
.stg-usage-note {
  margin-top: 12px; padding: 10px 12px; border-radius: 10px;
  font-size: 12.5px; line-height: 1.5; display: flex; flex-wrap: wrap;
  align-items: center; gap: 8px;
}
.stg-usage-note.warn { background: rgba(245, 166, 35, .12); color: #f5a623; }
.stg-usage-note.blocked { background: rgba(229, 72, 77, .12); color: #ff7a7e; }
.stg-usage-upgrade-link {
  background: transparent; border: none; padding: 0; cursor: pointer;
  color: var(--accent-color, #6b8afd); font-weight: 600; font-size: 12.5px;
  text-decoration: underline; text-underline-offset: 2px;
}
.stg-upgrade-btn {
  background: var(--accent-color, #0b57d0) !important; color: #fff !important;
  border: none !important;
}
.stg-upgrade-btn:hover { filter: brightness(1.07); }

/* ── Downgrade / plan-switch affordances ─────────────────────────────────────
   A Premium user choosing Pro is switching DOWN, not upgrading. The CTA and a
   checkout note make that direction explicit so the flow reads correctly. */
.plan-cta.downgrade {
  background: transparent;
  border-color: var(--border-color, rgba(255,255,255,.16));
  color: var(--subheading-color, #a7a7b3);
}
.plan-cta.downgrade:hover {
  background: var(--secondary-hover-color, rgba(255,255,255,.08));
  color: var(--text-color, #ececf1);
}

.co-downgrade-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 20px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(245, 166, 35, .10);
  border: 1px solid rgba(245, 166, 35, .22);
  color: var(--text-color, #ececf1);
  font-size: 13px;
  line-height: 1.5;
}
.co-downgrade-note .material-symbols-rounded {
  font-size: 19px;
  color: #f5a623;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── Mobile checkout / plans polish ──────────────────────────────────────────
   Comfortable spacing, larger tap targets, and a non-sticky summary so the
   stacked layout reads like a native mobile page. */
@media (max-width: 640px) {
  .plans-scroll { padding: 14px 16px calc(40px + env(safe-area-inset-bottom, 0px)); }

  .plans-topbar {
    position: sticky;
    top: 0;
    z-index: 5;
    margin-bottom: 4px;
    padding: 6px 0;
    background: var(--primary-color, #0e0e11);
  }

  .plans-header { margin: 12px auto 20px; }
  .plans-header h1 { font-size: clamp(24px, 7vw, 32px); }

  .plans-grid { gap: 16px; margin-top: 22px; }
  .plan-card { padding: 22px 20px 24px; border-radius: 18px; }
  .plan-card:hover { transform: none; }
  .plan-cta { padding: 14px 16px; font-size: 15px; }

  .checkout-wrap { gap: 20px; margin-top: 18px; }
  .co-summary {
    position: static;
    padding: 20px 18px;
  }
  .co-option { padding: 16px; }
  .co-gift input { padding: 14px; font-size: 15px; }
  .co-gift button { padding: 0 20px; }
  .co-subscribe { padding: 16px; font-size: 16px; }

  /* Bigger, thumb-friendly billing toggle */
  .plans-bill-btn { padding: 10px 20px; font-size: 14px; }
}