/* Auth pages — primary blue, grid-centered layout */
:root {
  --navy: #e8eef8;
  --deep-blue: #f4f7fc;
  --accent: #2d7eff;
  --accent-hover: #1a66e0;
  --accent-glow: rgba(45, 126, 255, 0.45);
  --accent-soft: #6eb0ff;
  --white: #0a1628;
  --gray-300: #4a5f7a;
  --gray-400: #5a6e87;
  --card-border: rgba(16, 35, 63, 0.12);
  --glass-fill: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(255, 255, 255, 0.35);
  --blur-glass: blur(14px);
  --nav-logo-h: 28px;
  --nav-pad-y: 12px;
  --on-accent: #050814;
}

[data-theme="dark"] {
  --navy: #050814;
  --deep-blue: #0c1024;
  --accent: #4fa3ff;
  --accent-hover: #2d7eff;
  --accent-glow: rgba(79, 163, 255, 0.5);
  --accent-soft: #7eb8ff;
  --white: #e8ecf4;
  --gray-300: #a8b0c4;
  --gray-400: #8b93a7;
  --card-border: rgba(255, 255, 255, 0.1);
  --glass-fill: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.1);
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--navy);
  background-image:
    radial-gradient(ellipse 90% 70% at 100% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 55%),
    radial-gradient(ellipse 70% 50% at 0% 100%, rgba(45, 126, 255, 0.08), transparent 50%);
  color: var(--white);
  min-height: 100vh;
}
a {
  color: inherit;
  text-decoration: none;
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-content: start;
}

.auth-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 0;
  padding-bottom: 28px;
  gap: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: var(--nav-pad-y) 0 20px;
  flex-wrap: wrap;
  min-height: calc(var(--nav-logo-h) + var(--nav-pad-y) * 2);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
}
.brand-img {
  display: block;
  height: var(--nav-logo-h);
  width: auto;
  max-width: min(148px, 52vw);
  object-fit: contain;
}

.lang-select,
.theme-select-native {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}
.theme-switch {
  display: inline-flex;
  align-items: center;
}

.menu-control {
  position: relative;
  display: inline-flex;
}
.menu-chip {
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  min-height: 36px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: var(--glass-fill);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--white);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.menu-chip:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--glass-border));
}
.menu-chip:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent);
}
.menu-chip-icon {
  width: 16px;
  text-align: center;
  font-size: 14px;
  line-height: 1;
}
.menu-chip-text {
  white-space: nowrap;
}
.menu-chip-caret {
  margin-left: 2px;
  font-size: 10px;
  color: var(--gray-400);
}
.menu-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 182px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: color-mix(in srgb, var(--deep-blue) 90%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
  padding: 6px;
  z-index: 20;
}
.menu-option {
  width: 100%;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--white);
  font: inherit;
  font-size: 13px;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  cursor: pointer;
}
.menu-option:hover,
.menu-option:focus-visible {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  outline: none;
}
.menu-option-icon {
  width: 16px;
  text-align: center;
}
.menu-option-check {
  margin-left: auto;
  opacity: 0;
  color: var(--accent);
}
.menu-option.is-active .menu-option-check {
  opacity: 1;
}

.card {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  align-self: center;
  background: var(--glass-fill);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 30px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.12);
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 2.5vw + 1rem, 1.9rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
p.sub {
  margin: 0 0 22px;
  color: var(--gray-400);
  line-height: 1.65;
  font-size: clamp(14px, 0.5vw + 13px, 16px);
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
  padding: 2px 4px 4px;
  border-radius: 14px;
  border: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field-group:focus-within {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.field-group label {
  display: block;
  font-size: 13px;
  margin-bottom: 0;
  color: var(--gray-300);
  font-weight: 600;
}
.field-group input {
  width: 100%;
  border: 1px solid var(--card-border);
  background: color-mix(in srgb, var(--deep-blue) 88%, transparent);
  color: var(--white);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 0;
  font-family: inherit;
  font-size: 15px;
}
.field-group input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Standalone labels (back-compat) */
label:not(.field-group label) {
  display: block;
  font-size: 13px;
  margin-bottom: 8px;
  color: var(--gray-300);
  font-weight: 600;
}
input:not(.field-group input) {
  width: 100%;
  border: 1px solid var(--card-border);
  background: color-mix(in srgb, var(--deep-blue) 88%, transparent);
  color: var(--white);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 16px;
}
input:not(.field-group input):focus {
  outline: none;
  border-color: var(--accent);
}

.row-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--gray-300);
}

.btn {
  width: 100%;
  border: none;
  border-radius: 999px;
  padding: 13px 18px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  background: var(--accent);
  color: var(--on-accent);
  font-family: inherit;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 30%, transparent),
    0 8px 28px var(--accent-glow);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent-hover) 35%, transparent),
    0 12px 36px var(--accent-glow);
}
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.helper {
  margin-top: 18px;
  font-size: 14px;
  color: var(--gray-400);
  text-align: center;
}
.helper a {
  color: var(--accent);
  font-weight: 700;
}
.notice {
  margin-top: 14px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  color: color-mix(in srgb, var(--accent-soft) 85%, var(--white));
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  display: none;
}

[data-theme="dark"] .notice {
  color: #c8dcff;
}

@media (max-width: 640px) {
  .menu-chip-text,
  .menu-chip-caret {
    display: none;
  }
  .menu-chip {
    min-width: 34px;
    justify-content: center;
    padding: 6px;
  }
  .menu-panel {
    right: auto;
    left: 0;
  }
}