:root {
  color-scheme: light;
  --ink: #142238;
  --muted: #5f6e80;
  --line: #dce4e8;
  --paper: #ffffff;
  --canvas: #f4f7f6;
  --brand: #126b63;
  --brand-dark: #0c514b;
  --brand-soft: #dff1ec;
  --accent: #c9974c;
  --danger: #a23838;
  --shadow: 0 22px 60px rgba(21, 47, 56, 0.11);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 5% 10%, rgba(18, 107, 99, 0.12), transparent 28rem),
    radial-gradient(circle at 95% 90%, rgba(201, 151, 76, 0.13), transparent 24rem),
    var(--canvas);
  display: grid;
  grid-template-rows: auto auto 1fr auto;
}

button, a { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.66; }
button[aria-busy="true"] { cursor: wait; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 10;
  padding: 0.65rem 1rem;
  color: #fff;
  background: var(--brand-dark);
  border-radius: 0.5rem;
}
.skip-link:focus { top: 1rem; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  min-height: 5rem;
  padding: 0.9rem clamp(1rem, 4vw, 4rem);
  padding-top: max(0.9rem, env(safe-area-inset-top, 0px));
  padding-right: max(clamp(1rem, 4vw, 4rem), env(safe-area-inset-right, 0px));
  padding-left: max(clamp(1rem, 4vw, 4rem), env(safe-area-inset-left, 0px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(220, 228, 232, 0.9);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  text-decoration: none;
}
.brand-mark {
  width: 2.8rem;
  height: 2.8rem;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--brand);
  border-radius: 0.9rem 0.9rem 0.9rem 0.25rem;
  font-family: Georgia, serif;
  font-size: 1.55rem;
}
.brand strong, .brand small { display: block; }
.brand strong { letter-spacing: 0.12em; }
.brand small { color: var(--muted); }

.user-tools { display: grid; grid-template-columns: minmax(0, auto) auto auto; align-items: center; gap: 0.8rem; }
.user-name { min-width: 0; max-width: 18rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.notice {
  width: min(52rem, calc(100% - 2rem));
  margin: 1rem auto 0;
  padding: 0.85rem 1rem;
  border: 1px solid #bcd9d3;
  border-radius: 0.75rem;
  color: var(--brand-dark);
  background: #edf8f5;
}
.notice[data-kind="warning"] { color: #704d18; border-color: #e6cca4; background: #fff7e9; }

.connection-status {
  width: 100%;
  padding: 0.75rem max(1rem, env(safe-area-inset-right, 0px)) 0.75rem max(1rem, env(safe-area-inset-left, 0px));
  color: #704d18;
  background: #fff2dc;
  border-bottom: 1px solid #e6cca4;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
}

.page {
  width: min(62rem, calc(100% - 2rem));
  margin: clamp(2rem, 7vh, 6rem) auto;
  outline: none;
}

.panel {
  padding: clamp(1.5rem, 5vw, 4rem);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(220, 228, 232, 0.95);
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
}
.panel-login { max-width: 49rem; margin-inline: auto; text-align: center; }
.panel-centered { max-width: 42rem; margin-inline: auto; text-align: center; }
.panel > *, .feature-card, .subscription-card > * { min-width: 0; }

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 1rem; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.08; font-weight: 500; }
h2 { margin-bottom: 0.6rem; font-size: 1.2rem; }
.lead { max-width: 46rem; margin: 0 auto 1.8rem; color: var(--muted); font-size: 1.08rem; }
.eyebrow { margin-bottom: 0.65rem; color: var(--brand); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.15em; text-transform: uppercase; }
.fine-print { max-width: 38rem; margin: 1.7rem auto 0; color: var(--muted); font-size: 0.875rem; }

h1, h2, p, .notice, .connection-status, #subscription-status, #error-message {
  overflow-wrap: anywhere;
}

h1 { scroll-margin-top: calc(6rem + env(safe-area-inset-top, 0px)); }
h1[tabindex="-1"]:focus { outline: none; }

.button {
  min-height: 2.75rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 0.7rem;
  font-weight: 700;
  transition: background 120ms ease, border-color 120ms ease, transform 120ms ease;
}
.button:focus-visible, .text-link:focus-visible, .brand:focus-visible { outline: 3px solid rgba(18, 107, 99, 0.3); outline-offset: 3px; }
.button-primary { color: #fff; background: var(--brand); }
.button-secondary { color: var(--brand-dark); border-color: #a9cbc5; background: #f5fbf9; }
.button-quiet { color: var(--ink); border-color: var(--line); background: #fff; }
.button-large { min-height: 3.25rem; padding-inline: 1.5rem; }
.button-row { display: flex; justify-content: center; gap: 0.75rem; flex-wrap: wrap; }
.text-link { min-height: 2.75rem; display: inline-flex; width: fit-content; align-items: center; margin: 0.5rem auto 0; padding-inline: 0.5rem; color: var(--brand-dark); }
.recovery-unavailable { display: flex; width: fit-content; align-items: center; gap: 0.5rem; margin: 1rem auto 0; color: var(--muted); font-size: 0.9rem; }

.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 1.4rem auto 1rem;
  color: var(--muted);
  font-size: 0.8rem;
}
.auth-divider::before, .auth-divider::after { height: 1px; flex: 1; content: ""; background: var(--line); }
.auth-provider-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
.button-provider { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; color: var(--ink); border-color: var(--line); background: #fff; }

.subscription-card {
  margin: 2rem 0 1rem;
  padding: clamp(1.25rem, 4vw, 2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border: 1px solid #bcd9d3;
  border-radius: 1rem;
  background: linear-gradient(135deg, #f6fcfa, #eef7f4);
}
.subscription-label { color: var(--brand); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.feature-list { margin: 1rem 0 0; padding-left: 1.2rem; color: var(--muted); }
.feature-list li + li { margin-top: 0.4rem; }

.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 2rem 0; }
.feature-card { padding: 1.4rem; border: 1px solid var(--line); border-radius: 1rem; background: #fbfcfc; }
.feature-card p { color: var(--muted); }
.feature-icon, .success-badge, .warning-badge { display: grid; place-items: center; border-radius: 50%; font-weight: 800; }
.feature-icon { width: 2.5rem; height: 2.5rem; margin-bottom: 1rem; color: var(--brand-dark); background: var(--brand-soft); }
.success-badge, .warning-badge { width: 3.3rem; height: 3.3rem; margin-bottom: 1rem; font-size: 1.5rem; }
.success-badge { color: var(--brand-dark); background: var(--brand-soft); }
.warning-badge { margin-inline: auto; color: var(--danger); background: #fbeaea; }
.tag { display: inline-block; padding: 0.2rem 0.55rem; color: #71501e; background: #fff2dc; border-radius: 999px; font-size: 0.75rem; font-weight: 700; }

.spinner {
  width: 3rem;
  height: 3rem;
  display: inline-block;
  margin-bottom: 1rem;
  border: 4px solid var(--brand-soft);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } .button { transition: none; } }

@media (hover: hover) {
  .button:hover:not(:disabled) { transform: translateY(-1px); }
  .button-primary:hover:not(:disabled) { background: var(--brand-dark); }
}

.footer {
  padding: 1.2rem clamp(1rem, 4vw, 4rem);
  padding-right: max(clamp(1rem, 4vw, 4rem), env(safe-area-inset-right, 0px));
  padding-bottom: max(1.2rem, env(safe-area-inset-bottom, 0px));
  padding-left: max(clamp(1rem, 4vw, 4rem), env(safe-area-inset-left, 0px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.8rem;
}
.footer > div { display: flex; gap: 1rem; }
.pwa-install { min-width: 11rem; }

input, select, textarea { max-width: 100%; font: inherit; font-size: 1rem; }

[hidden] { display: none !important; }

@media (max-width: 660px) {
  .topbar { min-height: auto; align-items: center; flex-wrap: wrap; }
  .brand { min-width: 0; }
  .brand > span:last-child { min-width: 0; }
  .user-tools { width: 100%; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: stretch; gap: 0.5rem; }
  .user-name { grid-column: 1 / -1; max-width: 100%; }
  .user-tools .button { width: 100%; min-width: 0; padding-inline: 0.6rem; }
  .page { width: min(100% - 1rem, 62rem); margin: 1rem auto; }
  .panel { padding: 1.25rem; border-radius: 1rem; box-shadow: 0 12px 32px rgba(21, 47, 56, 0.09); }
  h1 { font-size: clamp(1.75rem, 9vw, 2.5rem); }
  .lead { margin-bottom: 1.4rem; font-size: 1rem; }
  .panel-login .button-large, .subscription-card .button, #check-access-button, #billing-button { width: 100%; }
  .subscription-card { align-items: stretch; flex-direction: column; }
  .auth-provider-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer { align-items: stretch; flex-direction: column; font-size: 0.875rem; }
  .footer > div { flex-direction: column; gap: 0.3rem; }
  .pwa-install { width: 100%; }
}

@media (max-width: 360px) {
  .button-row { display: grid; grid-template-columns: 1fr; }
  .button-row .button { width: 100%; }
}

@media (display-mode: standalone) {
  .topbar { border-bottom-color: rgba(18, 107, 99, 0.18); }
}