:root {
  color-scheme: light;
  --ui-bg: #f2f4f8;
  --ui-surface: rgba(255, 255, 255, 0.94);
  --ui-surface-strong: #ffffff;
  --ui-text: #111827;
  --ui-muted: #6b7280;
  --ui-line: rgba(60, 60, 67, 0.12);
  --ui-primary: #0a84ff;
  --ui-primary-strong: #006edb;
  --ui-success: #22c55e;
  --ui-warning: #f59e0b;
  --ui-danger: #ff3b30;
  --ui-danger-bg: rgba(255, 59, 48, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Kantumruy Pro", Arial, sans-serif;
  color: var(--ui-text);
  background:
    radial-gradient(circle at 15% 0%, rgba(10, 132, 255, 0.08), transparent 34%),
    radial-gradient(circle at 92% 12%, rgba(34, 197, 94, 0.06), transparent 30%),
    var(--ui-bg);
  -webkit-font-smoothing: antialiased;
}

.page-shell {
  width: min(100%, 430px);
  margin: 0 auto;
  padding: 12px;
}

.auth-panel {
  display: grid;
  gap: 16px;
  padding: 18px 16px;
  background: var(--ui-surface);
  border: 1px solid var(--ui-line);
  border-radius: 8px;
  box-shadow: 0 20px 55px rgba(17, 24, 39, 0.12);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--ui-primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
}

.lede {
  margin: 8px 0 0;
  color: var(--ui-muted);
  line-height: 1.45;
  font-size: 0.95rem;
}

form {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 700;
  font-size: 0.92rem;
}

input {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  color: var(--ui-text);
  border: 1px solid transparent;
  border-radius: 8px;
  background: rgba(118, 118, 128, 0.12);
  font: inherit;
  font-size: 16px;
}

input:focus {
  border-color: rgba(10, 132, 255, 0.38);
  background: var(--ui-surface-strong);
  outline: 0;
  box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.12);
}

button,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  width: fit-content;
  padding: 0 18px;
  color: #ffffff;
  background: var(--ui-primary);
  border: 0;
  border-radius: 8px;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

button:hover,
.button-link:hover {
  background: var(--ui-primary-strong);
}

.alert {
  padding: 12px;
  color: #b42318;
  background: var(--ui-danger-bg);
  border: 1px solid rgba(255, 59, 48, 0.18);
  border-radius: 8px;
}

.alert ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

@media (max-width: 560px) {
  .page-shell {
    width: min(100% - 20px, 430px);
    padding: 10px 0;
  }

  .auth-panel {
    padding: 16px 14px;
  }
}

.app-nav,
.bottom-nav,
.application-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(100%, 430px);
  z-index: 50;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
  padding: 8px 10px 10px;
  background: rgba(255, 255, 255, 0.9);
  border-top: 1px solid var(--ui-line);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.app-nav-item,
.bottom-nav-item,
.application-nav-item {
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  display: grid;
  place-items: center;
  gap: 2px;
  color: var(--ui-muted);
  text-decoration: none;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 800;
  cursor: pointer;
  appearance: none;
}

.app-nav-item i,
.bottom-nav-item i,
.application-nav-item i {
  font-size: 15px;
}

.app-nav-item.is-active,
.bottom-nav-item.is-active,
.application-nav-item.is-active,
.app-nav-item:hover,
.bottom-nav-item:hover,
.application-nav-item:hover {
  color: var(--ui-primary);
  background: rgba(10, 132, 255, 0.1);
}