:root {
  color-scheme: dark;
  --bg: #17120e;
  --panel: rgba(255, 246, 232, 0.09);
  --panel-strong: rgba(255, 246, 232, 0.15);
  --text: #fff6e8;
  --muted: #cbbda8;
  --accent: #ff9f43;
  --accent-dark: #9b4d10;
  --line: rgba(255, 246, 232, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Trebuchet MS", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 159, 67, 0.28), transparent 28rem),
    radial-gradient(circle at 90% 15%, rgba(255, 246, 232, 0.08), transparent 22rem),
    linear-gradient(150deg, #17120e 0%, #25140d 55%, #0c0b0a 100%);
}

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: max(24px, env(safe-area-inset-top)) 20px max(28px, env(safe-area-inset-bottom));
}

.hero,
.alarm-panel,
.login-panel,
.download-panel,
.challenges-panel {
  width: min(440px, 100%);
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.32);
  padding: 28px;
  backdrop-filter: blur(18px);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1 {
  margin: 0;
  font-size: clamp(3.2rem, 18vw, 5.4rem);
  line-height: 0.85;
  letter-spacing: -0.08em;
}

h2 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.subtitle,
.hint,
.install-card p {
  color: var(--muted);
  line-height: 1.55;
}

.time-card {
  margin: 28px 0 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(0, 0, 0, 0.22);
}

.time-card span,
.time-card small {
  display: block;
  color: var(--muted);
}

.time-card strong {
  display: block;
  margin: 6px 0;
  font-size: clamp(3.7rem, 22vw, 6.5rem);
  line-height: 0.9;
  letter-spacing: -0.07em;
}

button {
  width: 100%;
  border: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), #ffd08a);
  color: #211206;
  font: inherit;
  font-weight: 900;
  padding: 16px 18px;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.primary-link,
.subtle-link {
  display: block;
  text-align: center;
  text-decoration: none;
}

.primary-link {
  width: 100%;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), #ffd08a);
  color: #211206;
  font-weight: 900;
  margin-top: 24px;
  padding: 16px 18px;
}

.compact-link {
  margin-top: 16px;
}

.subtle-link {
  color: var(--muted);
  margin-top: 14px;
}

.ghost-button {
  margin-top: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 246, 232, 0.08);
  color: var(--text);
}

.login-form {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.login-form label {
  color: var(--muted);
  font-weight: 800;
}

.login-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.24);
  color: var(--text);
  font: inherit;
  padding: 16px;
  outline: none;
}

.login-form input:focus {
  border-color: var(--accent);
}

.install-card {
  margin-top: 20px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.challenge-summary {
  margin: 18px 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(0, 0, 0, 0.2);
}

.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
}

.summary-row strong {
  color: var(--text);
}

.progress-track {
  height: 12px;
  overflow: hidden;
  margin-top: 14px;
  border-radius: 999px;
  background: rgba(255, 246, 232, 0.13);
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #ffd08a);
  transition: width 180ms ease;
}

.challenge-list {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.challenge-card {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 246, 232, 0.08);
  color: var(--text);
  text-align: left;
}

.challenge-card.is-complete {
  background: rgba(255, 159, 67, 0.18);
}

.challenge-check {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: #211206;
  background: rgba(255, 246, 232, 0.16);
  font-weight: 900;
}

.challenge-card.is-complete .challenge-check {
  border-color: transparent;
  background: var(--accent);
}

.alarm-panel {
  text-align: center;
}

.alarm-panel img {
  width: min(420px, 86vw);
  height: auto;
  margin-bottom: 18px;
  border: 1px solid rgba(255, 246, 232, 0.16);
  border-radius: 28px;
  box-shadow: 0 22px 50px rgba(20, 10, 2, 0.28);
}