:root {
  color-scheme: dark;
  --canvas: #10121b;
  --panel: rgba(27, 31, 46, 0.88);
  --panel-border: rgba(255, 255, 255, 0.1);
  --text: #f6f6fb;
  --muted: #a5aab8;
  --subtle: #6e7383;
  --lime: #d8ff69;
  --blue: #5ea0ff;
  --danger: #ff8c88;
  --success: #8ce2b3;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 7%, rgba(116, 90, 255, 0.25), transparent 30rem),
    radial-gradient(circle at 89% 88%, rgba(126, 255, 212, 0.14), transparent 33rem),
    var(--canvas);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

.page-shell {
  display: grid;
  grid-template-columns: minmax(260px, 0.88fr) minmax(440px, 1.12fr);
  gap: clamp(2.5rem, 8vw, 10rem);
  width: min(1150px, calc(100% - 3rem));
  margin: 0 auto;
  padding: clamp(4rem, 12vh, 8rem) 0 3rem;
}

.intro { align-self: center; padding-bottom: 4rem; }
.eyebrow, .panel-kicker { margin: 0; color: var(--lime); font-size: 0.7rem; font-weight: 760; letter-spacing: 0.15em; }
h1 { max-width: 6ch; margin: 1rem 0 1.4rem; font-size: clamp(3.2rem, 6vw, 5.45rem); line-height: 0.92; letter-spacing: -0.065em; }
.lede { max-width: 31rem; margin: 0; color: var(--muted); font-size: 1.02rem; line-height: 1.65; }

.api-status { display: inline-flex; gap: 0.55rem; align-items: center; margin-top: 2rem; padding: 0.55rem 0.75rem; border: 1px solid var(--panel-border); border-radius: 999px; color: var(--muted); font-size: 0.8rem; }
.status-dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: #e8bd68; box-shadow: 0 0 0.65rem #e8bd68; }
.api-status.is-ready .status-dot { background: var(--success); box-shadow: 0 0 0.65rem var(--success); }
.api-status.is-error .status-dot { background: var(--danger); box-shadow: 0 0 0.65rem var(--danger); }

.auth-panel { padding: clamp(1.15rem, 3vw, 2rem); border: 1px solid var(--panel-border); border-radius: 1.5rem; background: var(--panel); box-shadow: 0 1.5rem 5rem rgba(0, 0, 0, 0.22); backdrop-filter: blur(18px); }
.panel-header, .provider-heading, .result-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.panel-header { padding: 0.4rem 0.35rem 1.65rem; }
h2, h3 { margin: 0; letter-spacing: -0.04em; }
h2 { margin-top: 0.45rem; font-size: 1.35rem; }
h3 { font-size: 1rem; }
.environment-badge, .provider-state { flex: none; padding: 0.32rem 0.5rem; border: 1px solid var(--panel-border); border-radius: 0.42rem; color: var(--subtle); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.05em; max-width: 12rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.provider-list { display: grid; gap: 0.8rem; }
.provider-card { padding: 1.15rem; border: 1px solid var(--panel-border); border-radius: 1rem; background: rgba(11, 14, 24, 0.5); }
.provider-heading { align-items: center; }
.provider-heading > div:nth-child(2) { margin-right: auto; }
.provider-heading p, .provider-note { margin: 0.3rem 0 0; color: var(--subtle); font-size: 0.79rem; line-height: 1.45; }
.provider-mark { display: grid; width: 2.15rem; height: 2.15rem; place-items: center; border-radius: 0.65rem; font-weight: 800; }
.google-mark { color: #eaeefb; background: linear-gradient(145deg, #427ff3, #d65249 43%, #efc755 45%, #48a26f 70%); }
.telegram-mark { color: white; background: #2a96df; font-size: 1.15rem; }
.provider-state[data-tone="ready"] { color: var(--success); border-color: rgba(140, 226, 179, 0.25); }
.provider-state[data-tone="error"] { color: var(--danger); border-color: rgba(255, 140, 136, 0.25); }
.google-button-wrap { min-height: 42px; margin-top: 1.1rem; }
.telegram-button { display: flex; justify-content: space-between; width: 100%; margin-top: 1.1rem; padding: 0.78rem 1rem; border: 1px solid rgba(94, 160, 255, 0.4); border-radius: 0.7rem; color: white; background: rgba(49, 143, 221, 0.15); font: inherit; font-size: 0.88rem; font-weight: 700; cursor: pointer; transition: transform 150ms ease, background 150ms ease; }
.telegram-button:hover:not(:disabled) { background: rgba(49, 143, 221, 0.3); transform: translateY(-1px); }
.telegram-button:disabled { cursor: not-allowed; opacity: 0.5; }

.result-card { margin-top: 1.5rem; padding: 1.15rem; border: 1px solid var(--panel-border); border-radius: 1rem; background: rgba(11, 14, 24, 0.45); }
.result-card[data-status="success"] { border-color: rgba(140, 226, 179, 0.35); }
.result-card[data-status="error"] { border-color: rgba(255, 140, 136, 0.35); }
.result-icon { display: grid; width: 2rem; height: 2rem; place-items: center; border: 1px solid var(--panel-border); border-radius: 50%; color: var(--subtle); font-weight: 800; }
.result-card[data-status="success"] .result-icon { color: var(--success); border-color: rgba(140, 226, 179, 0.35); }
.result-card[data-status="error"] .result-icon { color: var(--danger); border-color: rgba(255, 140, 136, 0.35); }
.result-card > p { margin: 0.9rem 0 0; color: var(--muted); font-size: 0.86rem; line-height: 1.55; }
.result-details, .config-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.7rem; margin: 1.1rem 0 0; }
.result-details div, .config-list div { min-width: 0; }
dt { color: var(--subtle); font-size: 0.68rem; letter-spacing: 0.04em; }
dd { overflow: hidden; margin: 0.22rem 0 0; color: var(--text); font-size: 0.78rem; text-overflow: ellipsis; white-space: nowrap; }

.setup-details { margin: 1rem 0.25rem 0; color: var(--muted); font-size: 0.8rem; }
.setup-details summary { color: var(--subtle); cursor: pointer; }
.setup-details p { max-width: 44rem; line-height: 1.5; }
code { padding: 0.1rem 0.28rem; border-radius: 0.25rem; color: var(--lime); background: rgba(216, 255, 105, 0.08); }
.config-list { grid-template-columns: 1.4fr 1fr 1fr; }

footer { display: flex; justify-content: space-between; width: min(1150px, calc(100% - 3rem)); margin: 0 auto; padding: 0 0 2rem; color: var(--subtle); font-size: 0.72rem; }

@media (max-width: 800px) {
  .page-shell { grid-template-columns: 1fr; gap: 0; width: min(620px, calc(100% - 2rem)); padding-top: 3.2rem; }
  .intro { padding-bottom: 2.5rem; }
  h1 { max-width: none; }
  footer { width: min(620px, calc(100% - 2rem)); }
}

@media (max-width: 460px) {
  .page-shell { width: min(100% - 1.1rem, 620px); padding-top: 1.5rem; }
  .auth-panel { padding: 0.65rem; border-radius: 1.1rem; }
  .provider-card, .result-card { padding: 0.9rem; }
  .result-details, .config-list { grid-template-columns: 1fr; }
  footer { width: calc(100% - 1.1rem); }
}