:root {
  --pink-50: #fff0f6;
  --pink-100: #ffe0ef;
  --pink-200: #ffcfe8;
  --pink-300: #ffb3da;
  --pink-400: #ff9ecf;
  --pink-500: #ff6eb4;
  --pink-600: #e84a9a;
  --pink-700: #c93382;
  --text: #4a3040;
  --text-muted: #9a7a88;
  --white-glass: rgba(255, 255, 255, 0.82);
  --shadow: 0 20px 60px rgba(232, 74, 154, 0.18);
  --radius-xl: clamp(20px, 4vw, 28px);
  --radius-pill: 999px;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  color: var(--text);
}

body.login-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.65) 0%, transparent 45%),
    radial-gradient(circle at 85% 15%, rgba(255, 182, 220, 0.45) 0%, transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(255, 255, 255, 0.5) 0%, transparent 50%),
    linear-gradient(160deg, #fff5fa 0%, #ffd6ea 45%, #ffb8dc 100%);
  overflow-x: hidden;
}

.login-bg-decor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.login-bg-decor .sparkle {
  position: absolute;
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
  opacity: 0.7;
  box-shadow: 0 0 10px rgba(255, 110, 180, 0.8);
}

.login-bg-decor .cloud {
  position: absolute;
  bottom: -20px;
  width: 180px;
  height: 60px;
  background: rgba(255, 255, 255, 0.35);
  border-radius: 50px;
  filter: blur(2px);
}

.login-wrap {
  width: min(420px, 92vw);
  position: relative;
  z-index: 1;
  animation: cardSlideUp 0.6s ease-out;
}

@keyframes cardSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-brand {
  text-align: center;
  margin-bottom: 24px;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(72px, 18vw, 88px);
  height: clamp(72px, 18vw, 88px);
  background: rgba(255, 255, 255, 0.95);
  border-radius: 22px;
  box-shadow: 0 12px 32px rgba(232, 74, 154, 0.15);
  margin: 0 auto;
}

.login-brand .logo-img {
  width: clamp(52px, 14vw, 64px);
  height: clamp(52px, 14vw, 64px);
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(255, 110, 180, 0.25));
  animation: iconPop 0.5s ease-out 0.1s both;
}

@keyframes iconPop {
  from { opacity: 0; transform: scale(0.6); }
  to { opacity: 1; transform: scale(1); }
}

.login-brand h1 {
  margin: 14px 0 6px;
  font-size: clamp(1.75rem, 5vw, 2.1rem);
  font-weight: 800;
  color: var(--pink-600);
  letter-spacing: 0.02em;
}

.login-brand .subtitle {
  font-size: clamp(0.95rem, 3vw, 1.05rem);
  color: var(--pink-500);
  font-weight: 500;
}

.login-brand .subtitle .sparkle-icon {
  color: var(--pink-500);
}

.login-card {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 158, 207, 0.5);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 5vw, 2.25rem);
}

.login-card.shake {
  animation: inputShake 0.45s ease;
}

@keyframes inputShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

.form-group { margin-bottom: 16px; }

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.input-wrap {
  position: relative;
}

.input-wrap .input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--pink-400);
  pointer-events: none;
}

.form-control {
  width: 100%;
  height: 46px;
  padding: 0 14px 0 42px;
  border: 1.5px solid rgba(255, 158, 207, 0.5);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  border-color: var(--pink-500);
  box-shadow: 0 0 0 4px rgba(255, 110, 180, 0.18);
}

.form-control.no-icon { padding-left: 16px; }

.toggle-pwd {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: none;
  color: var(--pink-400);
  cursor: pointer;
  padding: 4px;
}

.captcha-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

.captcha-row .form-control { flex: 1; min-width: 0; }

.captcha-box {
  flex-shrink: 0;
  width: 118px;
  min-height: 58px;
  border: 1.5px solid rgba(255, 158, 207, 0.6);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.captcha-box img {
  width: 100%;
  height: 38px;
  object-fit: contain;
  display: block;
  background: #fff8fc;
}

.captcha-box .refresh {
  font-size: 11px;
  color: var(--pink-600);
  padding: 2px 0 4px;
}

.alert-error {
  background: rgba(255, 80, 120, 0.1);
  border: 1px solid rgba(255, 80, 120, 0.25);
  color: #d63060;
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 0.88rem;
  margin-bottom: 14px;
}

.btn-login {
  width: 100%;
  height: 48px;
  margin-top: 8px;
  border: none;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--pink-500) 0%, var(--pink-600) 100%);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 10px 28px rgba(232, 74, 154, 0.35);
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(232, 74, 154, 0.42);
}

.btn-login:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

.login-extra {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.login-extra label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.login-extra a {
  color: var(--pink-600);
  text-decoration: none;
}

.login-hint {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.login-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

@media (max-width: 480px) {
  .captcha-row { flex-direction: column; }
  .captcha-box { width: 100%; flex-direction: row; }
  .captcha-box img { width: auto; flex: 1; height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}