/* 登录页 — 独立样式，无品牌皮肤 */

.login-page-v2 {
  --login-bg: #050810;
  --login-surface: rgba(12, 18, 32, 0.72);
  --login-border: rgba(120, 160, 255, 0.14);
  --login-border-glow: rgba(56, 189, 248, 0.45);
  --login-text: #e8edf7;
  --login-muted: #8b9cb8;
  --login-accent: #38bdf8;
  --login-accent-2: #818cf8;
  --login-danger: #f87171;
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  color: var(--login-text);
  background: var(--login-bg);
  overflow-x: hidden;
}

.login-page-v2 * {
  box-sizing: border-box;
}

.login-scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.login-bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 15% 20%, rgba(56, 189, 248, 0.14), transparent 55%),
    radial-gradient(ellipse 70% 50% at 85% 75%, rgba(129, 140, 248, 0.16), transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 100%, rgba(14, 165, 233, 0.08), transparent 60%),
    linear-gradient(165deg, #050810 0%, #0a1224 45%, #060a14 100%);
}

.login-grid {
  position: absolute;
  inset: -50%;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  transform: perspective(500px) rotateX(58deg) translateY(-8%);
  transform-origin: center top;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9) 0%, transparent 75%);
}

.login-scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  opacity: 0.35;
}

.login-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: login-orb-float 14s ease-in-out infinite;
}

.login-orb--1 {
  width: 420px;
  height: 420px;
  top: -8%;
  left: -6%;
  background: rgba(56, 189, 248, 0.22);
}

.login-orb--2 {
  width: 360px;
  height: 360px;
  bottom: -10%;
  right: -5%;
  background: rgba(129, 140, 248, 0.2);
  animation-delay: -5s;
}

@keyframes login-orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(24px, -18px) scale(1.06); }
}

.login-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  max-width: 1120px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .login-shell {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    padding: 48px 40px;
  }
}

.login-visual {
  display: none;
  position: relative;
  min-height: 420px;
  align-items: center;
  justify-content: center;
}

@media (min-width: 900px) {
  .login-visual {
    display: flex;
  }
}

.login-rings {
  position: relative;
  width: 320px;
  height: 320px;
}

.login-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(56, 189, 248, 0.22);
}

.login-ring--1 {
  animation: login-spin 24s linear infinite;
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: 0 0 40px rgba(56, 189, 248, 0.08);
}

.login-ring--2 {
  inset: 18%;
  border-color: rgba(129, 140, 248, 0.3);
  animation: login-spin 18s linear infinite reverse;
}

.login-ring--3 {
  inset: 36%;
  border-color: rgba(56, 189, 248, 0.2);
  animation: login-spin 12s linear infinite;
}

.login-ring-core {
  position: absolute;
  inset: 42%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(56, 189, 248, 0.35), rgba(129, 140, 248, 0.12));
  box-shadow:
    0 0 60px rgba(56, 189, 248, 0.25),
    inset 0 0 30px rgba(255, 255, 255, 0.06);
  animation: login-pulse-core 3s ease-in-out infinite;
}

@keyframes login-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes login-pulse-core {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.85; }
}

.login-visual-tag {
  position: absolute;
  bottom: 12%;
  left: 0;
  font-family: "SF Mono", "Cascadia Code", Consolas, "Microsoft YaHei", monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: rgba(56, 189, 248, 0.7);
  text-transform: uppercase;
}

.login-visual-lines {
  position: absolute;
  top: 8%;
  right: 0;
  width: 120px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(129, 140, 248, 0.6), transparent);
}

.login-panel {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

.login-panel-inner {
  position: relative;
  padding: 40px 36px 32px;
  border-radius: 24px;
  background: var(--login-surface);
  border: 1px solid var(--login-border);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 24px 80px rgba(0, 0, 0, 0.45),
    0 0 120px rgba(56, 189, 248, 0.04);
}

.login-panel-inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(56, 189, 248, 0.55),
    rgba(129, 140, 248, 0.45),
    transparent
  );
}

.login-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 24px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(129, 140, 248, 0.12));
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--login-accent);
}

.login-mark svg {
  width: 28px;
  height: 28px;
}

.login-head {
  text-align: center;
  margin-bottom: 32px;
}

.login-head h1 {
  margin: 0 0 8px;
  font-family: "Avenir Next", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #f0f4ff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.login-head p {
  margin: 0;
  font-size: 13px;
  color: var(--login-muted);
  letter-spacing: 0.02em;
}

.login-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
  font-family: "SF Mono", "Cascadia Code", Consolas, "Microsoft YaHei", monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: rgba(56, 189, 248, 0.75);
  text-transform: uppercase;
}

.login-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 10px rgba(52, 211, 153, 0.8);
  animation: login-status-pulse 2s ease-in-out infinite;
}

@keyframes login-status-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.login-alert {
  padding: 12px 14px;
  margin-bottom: 20px;
  border-radius: 12px;
  font-size: 13px;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.28);
  color: #fca5a5;
  text-align: center;
}

.login-field {
  margin-bottom: 18px;
}

.login-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--login-muted);
}

.login-field input {
  width: 100%;
  padding: 14px 16px;
  font-size: 15px;
  font-family: inherit;
  color: var(--login-text);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 12px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.login-field input::placeholder {
  color: rgba(139, 156, 184, 0.45);
}

.login-field input:focus {
  border-color: var(--login-border-glow);
  background: rgba(0, 0, 0, 0.5);
  box-shadow:
    0 0 0 3px rgba(56, 189, 248, 0.12),
    0 0 24px rgba(56, 189, 248, 0.08);
}

.login-submit {
  width: 100%;
  margin-top: 8px;
  padding: 15px 20px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #041018;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 55%, #38bdf8 100%);
  background-size: 200% auto;
  box-shadow:
    0 4px 24px rgba(56, 189, 248, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.15) inset;
  transition: transform 0.15s, box-shadow 0.2s, background-position 0.4s;
}

.login-submit:hover {
  transform: translateY(-1px);
  background-position: right center;
  box-shadow:
    0 8px 32px rgba(56, 189, 248, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

.login-submit:active {
  transform: translateY(0);
}

.login-foot {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  text-align: center;
  font-family: "SF Mono", "Cascadia Code", Consolas, "Microsoft YaHei", monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(139, 156, 184, 0.45);
  text-transform: uppercase;
}