:root {
  color-scheme: dark;
  --bg: #090d1a;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.14);
  --text: #eef4ff;
  --muted: #9aa8c7;
  --primary: #7c5cff;
  --primary-strong: #9b8cff;
  --success: #2ee59d;
  --danger: #ff6b7a;
  --warning: #ffd166;
  --border: rgba(255, 255, 255, 0.14);
  font-family: Inter, "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(124, 92, 255, 0.34), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(46, 229, 157, 0.18), transparent 28rem),
    var(--bg);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

code {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1px 6px;
  color: #dce4ff;
  background: rgba(255, 255, 255, 0.08);
}

.app-shell {
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

.login-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(460px, 100%);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 30px;
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
}

.login-brand {
  margin-bottom: 34px;
}

.login-card h1 {
  margin-bottom: 14px;
  font-size: clamp(2.2rem, 8vw, 4rem);
  letter-spacing: -0.06em;
}

.login-form {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.login-form input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.login-form button,
#generateButton,
#startBatchButton {
  border: 0;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  font-weight: 800;
  box-shadow: 0 14px 34px rgba(124, 92, 255, 0.36);
}

.login-form button {
  min-height: 52px;
}

.login-error {
  min-height: 24px;
  margin: 16px 0 0;
  color: #ffdce0;
}

.hero {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 70px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand,
.badge,
.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.04em;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #29d3ff);
  box-shadow: 0 10px 30px rgba(124, 92, 255, 0.35);
}

.badge,
.status-dot {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.06);
}

.status-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 16px var(--success);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 46px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--success);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.hero-copy h1,
.chat-header h1 {
  margin-bottom: 18px;
  line-height: 1.05;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 7vw, 5.6rem);
  letter-spacing: -0.08em;
}

.subtitle {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.8;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.stats div,
.fleet-panel,
.sidebar,
.chat-main,
.selected-fleet-card,
.runtime-card,
.tips-card,
.batch-status-card {
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
}

.stats div {
  border-radius: 22px;
  padding: 18px;
}

.stats strong {
  display: block;
  font-size: 2rem;
}

.stats span,
.panel-header small,
.fleet-card small,
.quota,
.runtime-card,
.tips-card,
.bubble p,
.file-picker span,
.batch-note,
.batch-log-item {
  color: var(--muted);
}

.fleet-panel {
  border-radius: 30px;
  padding: 22px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-weight: 800;
}

.fleet-list {
  display: grid;
  gap: 14px;
}

.fleet-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 18px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  text-align: left;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.fleet-card:hover {
  transform: translateY(-3px);
  border-color: rgba(124, 92, 255, 0.8);
  background: rgba(124, 92, 255, 0.12);
}

.fleet-icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 18px;
  background: var(--panel-strong);
  font-size: 1.7rem;
}

.fleet-content {
  display: grid;
  gap: 6px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-row em {
  border-radius: 999px;
  padding: 4px 8px;
  color: #dce4ff;
  background: rgba(255, 255, 255, 0.09);
  font-size: 0.78rem;
  font-style: normal;
}

.chat-page {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 22px;
  min-height: 100vh;
  padding: 22px;
}

.sidebar,
.chat-main {
  border-radius: 30px;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 18px;
}

.ghost-button,
.download-link,
.mode-tab {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  text-decoration: none;
}

.ghost-button.compact {
  padding: 8px 14px;
}

.selected-fleet-card,
.runtime-card,
.tips-card,
.batch-status-card {
  border-radius: 24px;
  padding: 20px;
}

.runtime-card h3,
.tips-card h3 {
  margin-bottom: 14px;
  color: var(--text);
}

.runtime-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.runtime-list div {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 10px;
}

.runtime-list dt {
  color: var(--muted);
  font-size: 0.82rem;
}

.runtime-list dd {
  margin: 0;
  color: var(--text);
  word-break: break-word;
}

.runtime-list .is-error {
  color: #ffdce0;
}

.status-dot.idle::before {
  background: var(--success);
  box-shadow: 0 0 16px var(--success);
}

.status-dot.loading::before {
  background: var(--warning);
  box-shadow: 0 0 16px var(--warning);
}

.status-dot.success::before {
  background: var(--success);
  box-shadow: 0 0 16px var(--success);
}

.status-dot.error::before {
  background: var(--danger);
  box-shadow: 0 0 16px var(--danger);
}

.tips-card li {
  margin-bottom: 10px;
}

.chat-main {
  display: grid;
  grid-template-rows: auto auto 1fr;
  overflow: hidden;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding: 22px 26px;
}

.chat-header h1 {
  font-size: 1.8rem;
}

.mode-tabs {
  display: flex;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.12);
}

.mode-tab.active {
  border-color: rgba(124, 92, 255, 0.78);
  color: #fff;
  background: rgba(124, 92, 255, 0.22);
}

.single-panel,
.batch-panel {
  min-height: 0;
  overflow: hidden;
}

.single-panel {
  display: grid;
  grid-template-rows: 1fr auto;
}

.messages {
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  padding: 26px;
}

.message {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.message.user {
  flex-direction: row-reverse;
}

.avatar {
  display: grid;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #29d3ff);
  font-size: 0.82rem;
  font-weight: 800;
}

.message.user .avatar {
  background: linear-gradient(135deg, #2ee59d, #28b4ff);
}

.bubble {
  max-width: min(680px, 82%);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.08);
  line-height: 1.7;
}

.message.user .bubble {
  background: rgba(124, 92, 255, 0.22);
}

.message.error .bubble {
  border-color: rgba(255, 107, 122, 0.7);
  color: #ffdce0;
}

.image-bubble img {
  display: block;
  max-width: min(420px, 100%);
  margin: 12px 0;
  border-radius: 18px;
  border: 1px solid var(--border);
}

.composer,
.batch-form {
  border-top: 1px solid var(--border);
  padding: 18px;
  background: rgba(0, 0, 0, 0.16);
}

.controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.batch-controls {
  grid-template-columns: 1.2fr repeat(3, minmax(0, 1fr));
  margin-top: 14px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.86rem;
}

select,
textarea,
.batch-controls input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

select,
.batch-controls input {
  padding: 10px 12px;
}

textarea {
  min-height: 58px;
  resize: vertical;
  padding: 14px;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
}

#generateButton,
#startBatchButton {
  height: 58px;
  min-width: 132px;
}

.batch-panel {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow-y: auto;
}

.batch-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.file-picker {
  border: 1px dashed var(--border);
  border-radius: 20px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.05);
}

.file-picker strong {
  color: var(--text);
}

.file-picker input {
  width: 100%;
  margin-top: 8px;
  color: var(--muted);
}

.batch-note {
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-top: 14px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.06);
  line-height: 1.6;
}

.batch-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 14px;
}

.batch-status-card {
  margin: 18px;
}

progress {
  width: 100%;
  height: 14px;
  margin-bottom: 18px;
  accent-color: var(--primary);
}

.batch-runtime-list {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.batch-runtime-list div {
  grid-template-columns: 1fr;
}

.batch-log {
  max-height: 260px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-top: 16px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.16);
}

.batch-log-item {
  margin: 0 0 8px;
  line-height: 1.6;
}

.batch-log-item.error {
  color: #ffdce0;
}

.batch-log-item.warning {
  color: var(--warning);
}

button:disabled,
#generateButton:disabled,
#startBatchButton:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

@media (max-width: 900px) {
  .hero-grid,
  .chat-page,
  .batch-grid,
  .batch-controls,
  .batch-runtime-list {
    grid-template-columns: 1fr;
  }

  .topbar,
  .chat-header,
  .topbar-actions,
  .mode-tabs,
  .batch-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .controls,
  .input-row,
  .stats {
    grid-template-columns: 1fr;
  }
}