:root {
  color-scheme: dark;
  --bg-base: #0b0d13;
  --bg-surface: #12151e;
  --bg-elevated: #1a1e2e;
  --bg-hover: #232840;
  --bg-active: #2a3050;
  --border: #252a3e;
  --border-light: #1e2235;
  --text-primary: #e4e8f1;
  --text-secondary: #7c849e;
  --text-tertiary: #4e5570;
  --accent: #7b6cf6;
  --accent-dim: rgba(123, 108, 246, .15);
  --accent-glow: rgba(123, 108, 246, .30);
  --cyan: #38d9c5;
  --cyan-dim: rgba(56, 217, 197, .12);
  --amber: #f0a848;
  --amber-dim: rgba(240, 168, 72, .12);
  --rose: #f06070;
  --rose-dim: rgba(240, 96, 112, .12);
  --green: #4ade80;
  --green-dim: rgba(74, 222, 128, .12);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --font: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --transition: all .25s cubic-bezier(.4, 0, .2, 1);
  font-family: var(--font);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 14px;
}

body {
  min-width: 1040px;
  min-height: 100vh;
  margin: 0;
  color: var(--text-primary);
  background:
    linear-gradient(180deg, rgba(123, 108, 246, .08), transparent 42%),
    linear-gradient(90deg, rgba(56, 217, 197, .05), transparent 36%),
    var(--bg-base);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, #000, transparent 82%);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.pc-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 44px;
  position: relative;
}

.pc-login-shell {
  width: min(1160px, calc(100vw - 88px));
  min-height: 670px;
  display: grid;
  grid-template-columns: 430px 1fr;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: rgba(18, 21, 30, .92);
  box-shadow: 0 28px 80px rgba(0, 0, 0, .42);
  position: relative;
  z-index: 1;
}

.pc-login-panel {
  display: flex;
  flex-direction: column;
  padding: 34px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
}

.pc-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pc-brand img {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  box-shadow: 0 12px 28px rgba(123, 108, 246, .22);
}

.pc-brand strong,
.pc-brand span {
  display: block;
}

.pc-brand strong {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
}

.pc-brand span {
  margin-top: 2px;
  color: var(--text-tertiary);
  font-size: 12px;
}

.pc-login-copy {
  margin-top: 58px;
}

.pc-eyebrow {
  width: fit-content;
  margin: 0 0 14px;
  padding: 5px 10px;
  border: 1px solid rgba(123, 108, 246, .28);
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-dim);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .4px;
}

.pc-login-copy h1 {
  margin: 0;
  max-width: 340px;
  font-size: 34px;
  line-height: 1.16;
  letter-spacing: 0;
  color: var(--text-primary);
}

.pc-login-copy p:last-child {
  max-width: 340px;
  margin: 16px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.pc-login-form {
  display: grid;
  gap: 14px;
  margin-top: 36px;
}

.pc-field {
  display: grid;
  gap: 8px;
}

.pc-field span {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
}

.pc-field input {
  width: 100%;
  height: 46px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  color: var(--text-primary);
  background: var(--bg-elevated);
  outline: none;
  transition: var(--transition);
}

.pc-field input:hover {
  border-color: rgba(123, 108, 246, .30);
  background: var(--bg-hover);
}

.pc-field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
  background: var(--bg-elevated);
}

.pc-field input::placeholder {
  color: var(--text-tertiary);
}

.pc-field-compact input {
  height: 40px;
  font-size: 13px;
}

.pc-primary-btn,
.pc-secondary-btn,
.pc-text-btn {
  border: 0;
  border-radius: var(--radius-sm);
  font-weight: 800;
  transition: var(--transition);
}

.pc-primary-btn {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 4px;
  color: #fff;
  background: var(--accent);
  box-shadow: 0 12px 30px var(--accent-glow);
}

.pc-primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 34px var(--accent-glow);
}

.pc-primary-btn:disabled {
  cursor: not-allowed;
  opacity: .58;
  transform: none;
  box-shadow: none;
}

.pc-login-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.pc-secondary-btn {
  height: 40px;
  padding: 0 15px;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(123, 108, 246, .22);
}

.pc-secondary-btn:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.pc-text-btn {
  height: 40px;
  padding: 0 8px;
  color: var(--text-secondary);
  background: transparent;
}

.pc-text-btn:hover {
  color: var(--text-primary);
}

.pc-message {
  min-height: 22px;
  margin: 18px 0 0;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

.pc-message.is-error {
  color: var(--rose);
}

.pc-message.is-success {
  color: var(--green);
}

.pc-message.is-info {
  color: var(--cyan);
}

.pc-preview-panel {
  position: relative;
  padding: 32px;
  background:
    linear-gradient(135deg, rgba(26, 30, 46, .96), rgba(11, 13, 19, .96)),
    var(--bg-base);
  color: var(--text-primary);
}

.pc-preview-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(123, 108, 246, .14), transparent 46%);
}

.pc-preview-panel > * {
  position: relative;
  z-index: 1;
}

.pc-preview-topbar {
  height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-surface);
}

.pc-preview-topbar span {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--text-tertiary);
}

.pc-preview-topbar span:nth-child(1) {
  background: var(--rose);
}

.pc-preview-topbar span:nth-child(2) {
  background: var(--amber);
}

.pc-preview-topbar span:nth-child(3) {
  background: var(--green);
}

.pc-preview-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-top: 34px;
}

.pc-preview-head p,
.pc-preview-head h2 {
  margin: 0;
}

.pc-preview-head p {
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .4px;
}

.pc-preview-head h2 {
  margin-top: 8px;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: 0;
}

.pc-preview-head > span {
  border: 1px solid rgba(74, 222, 128, .28);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--green);
  background: var(--green-dim);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.pc-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.pc-preview-card {
  min-height: 142px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--bg-surface);
  transition: var(--transition);
}

.pc-preview-card-wide {
  grid-column: span 2;
  min-height: 162px;
  background:
    linear-gradient(135deg, var(--accent-dim), rgba(56, 217, 197, .08)),
    var(--bg-elevated);
}

.pc-preview-card span {
  color: var(--text-tertiary);
  font-size: 11px;
  font-weight: 800;
}

.pc-preview-card strong {
  display: block;
  margin-top: 28px;
  font-size: 20px;
  line-height: 1.3;
}

.pc-preview-card-wide strong {
  margin-top: 44px;
  font-size: 25px;
}

.pc-preview-card p {
  max-width: 340px;
  margin: 9px 0 0;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.6;
}

.pc-preview-table {
  display: grid;
  gap: 9px;
  margin-top: 14px;
}

.pc-preview-table div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: rgba(26, 30, 46, .72);
}

.pc-preview-table span {
  color: var(--text-secondary);
  font-size: 12px;
}

.pc-preview-table strong {
  color: var(--text-primary);
  font-size: 12px;
}

@media (max-width: 1080px) {
  body {
    min-width: 0;
  }

  .pc-login-page {
    align-items: flex-start;
    padding: 24px;
  }

  .pc-login-shell {
    width: 100%;
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .pc-login-panel {
    border-right: 0;
  }

  .pc-preview-panel {
    display: none;
  }
}

@media (max-width: 560px) {
  .pc-login-page {
    padding: 14px;
  }

  .pc-login-panel {
    padding: 24px;
  }

  .pc-login-copy {
    margin-top: 38px;
  }

  .pc-login-copy h1 {
    font-size: 28px;
  }

  .pc-login-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .pc-secondary-btn,
  .pc-text-btn {
    width: 100%;
  }
}