:root {
  --bg-deep: #0a1230;
  --bg-mid: #101c44;
  --gold: #f2c14e;
  --gold-soft: #f7dd8f;
  --blue-glow: #4d7cff;
  --water: #3fa7ff;
  --fire: #ff6b4a;
  --grass: #5ecb7b;
  --lightning: #ffd23f;
  --psychic: #b072ff;
  --ink: #eaf0ff;
  --ink-dim: #9fb0d9;
  --card-bg: rgba(16, 26, 60, 0.82);
  --border-glow: rgba(242, 193, 78, 0.35);
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 10%, rgba(77, 124, 255, 0.35), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(242, 193, 78, 0.25), transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(94, 203, 123, 0.18), transparent 50%),
    linear-gradient(160deg, var(--bg-deep) 0%, var(--bg-mid) 55%, #060b22 100%);
  min-height: 100%;
  display: flex;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
}

.page {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-badge {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 50%;
  background: conic-gradient(from 45deg, var(--gold), var(--fire), var(--psychic), var(--water), var(--grass), var(--gold));
  box-shadow: 0 0 24px rgba(242, 193, 78, 0.45);
}

h1 {
  margin: 0;
  font-size: clamp(1.4rem, 5vw, 1.9rem);
  font-weight: 800;
  letter-spacing: 0.5px;
}

.brand-accent {
  color: var(--gold-soft);
}

.tagline {
  margin: 4px 0 0;
  color: var(--ink-dim);
  font-size: 0.92rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 5vw, 32px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(6px);
}

form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--ink-dim);
  font-weight: 600;
}

input[type="text"],
input[type="password"] {
  background: rgba(6, 12, 32, 0.65);
  border: 1px solid rgba(159, 176, 217, 0.28);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  color: var(--ink);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: var(--blue-glow);
  box-shadow: 0 0 0 3px rgba(77, 124, 255, 0.25);
}

.btn-primary,
.btn-secondary {
  border: none;
  border-radius: var(--radius-md);
  padding: 13px 18px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.1s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-soft) 100%);
  color: #241800;
  box-shadow: 0 8px 24px rgba(242, 193, 78, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(242, 193, 78, 0.45);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: rgba(159, 176, 217, 0.12);
  color: var(--ink);
  border: 1px solid rgba(159, 176, 217, 0.3);
}

.btn-secondary:hover {
  background: rgba(159, 176, 217, 0.2);
}

.hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-dim);
  text-align: center;
}

.status-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  background: rgba(77, 124, 255, 0.18);
  color: var(--water);
  border: 1px solid rgba(77, 124, 255, 0.4);
}

.status-badge.state-success {
  background: rgba(94, 203, 123, 0.18);
  color: var(--grass);
  border-color: rgba(94, 203, 123, 0.4);
}

.status-badge.state-failed {
  background: rgba(255, 107, 74, 0.18);
  color: var(--fire);
  border-color: rgba(255, 107, 74, 0.4);
}

/* 人机验证拦截：故意用和普通失败（fire 红）不同的能量色（psychic 紫），一眼能看出"不是账号密码的问题"。 */
.status-badge.state-blocked {
  background: rgba(176, 114, 255, 0.18);
  color: var(--psychic);
  border-color: rgba(176, 114, 255, 0.4);
}

.progress-line {
  height: 6px;
  border-radius: 999px;
  background: rgba(159, 176, 217, 0.15);
  margin: 16px 0;
  overflow: hidden;
  position: relative;
}

.progress-line::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 40%;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  animation: sweep 1.4s ease-in-out infinite;
}

/* 终态一律停掉扫动画（is-idle），配色按具体是哪种终态区分：成功绿色实心条；普通失败用 fire 红；
   被人机验证拦截用和 .status-badge.state-blocked 一致的 psychic 紫，一眼能看出"不是账号密码的问题"。
   排队中/进行中（queued/starting/attempt）没有 state-* 修饰类，走不到这几条规则，扫动画正常继续跑。*/
.progress-line.is-idle::after {
  animation: none;
  width: 100%;
  background: var(--grass);
}

.progress-line.is-idle.state-failed::after {
  background: var(--fire);
}

.progress-line.is-idle.state-blocked::after {
  background: var(--psychic);
}

@keyframes sweep {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(280%); }
}

.status-detail {
  margin: 0 0 20px;
  color: var(--ink-dim);
  font-size: 0.95rem;
  line-height: 1.5;
}

.btn-deeplink {
  width: 100%;
  margin-bottom: 12px;
  word-break: break-all;
}

.error-text {
  color: var(--fire);
  font-weight: 600;
  margin: 0 0 14px;
  line-height: 1.5;
}

/* 人机验证拦截：给失败面板套一圈紫色边框 + 换文案颜色，和普通失败在视觉上明确区分开。 */
#failure-panel.is-bot-blocked {
  border: 1px solid rgba(176, 114, 255, 0.4);
  border-radius: var(--radius-md);
  padding: 14px;
  background: rgba(176, 114, 255, 0.08);
}

#failure-panel.is-bot-blocked .error-text {
  color: var(--psychic);
}

details {
  margin-bottom: 18px;
  border-radius: var(--radius-md);
  background: rgba(6, 12, 32, 0.55);
  border: 1px solid rgba(159, 176, 217, 0.2);
  padding: 10px 14px;
}

summary {
  cursor: pointer;
  color: var(--ink-dim);
  font-weight: 600;
  font-size: 0.85rem;
}

#diagnostics-text {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.78rem;
  color: var(--ink-dim);
  margin: 10px 0 0;
}

.footnote {
  text-align: center;
  color: var(--ink-dim);
  font-size: 0.78rem;
}

.footnote p {
  margin: 0;
}

.footnote .provider {
  margin-top: 8px;
}

.footnote a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--border-glow);
}

.footnote a:hover,
.footnote a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

@media (max-width: 380px) {
  .brand {
    gap: 12px;
  }

  .brand-badge {
    width: 40px;
    height: 40px;
  }
}