:root {
  --bg: #f4efe5;
  --panel: rgba(255, 248, 238, 0.78);
  --panel-border: rgba(69, 50, 26, 0.12);
  --text: #1f1b16;
  --muted: #6b6257;
  --accent: #bc5433;
  --accent-strong: #8f3419;
  --accent-soft: rgba(188, 84, 51, 0.12);
  --shadow: 0 28px 60px rgba(44, 28, 10, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-ui: "Avenir Next", "SF Pro Display", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(233, 191, 152, 0.75), transparent 34%),
    radial-gradient(circle at bottom right, rgba(197, 92, 58, 0.18), transparent 36%),
    linear-gradient(135deg, #f3e7d3 0%, #f8f3ea 44%, #efe5d5 100%);
}

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

.page-shell {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.aurora {
  position: absolute;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(44px);
  opacity: 0.44;
  pointer-events: none;
}

.aurora-left {
  top: -10rem;
  left: -8rem;
  background: rgba(205, 105, 63, 0.28);
}

.aurora-right {
  right: -12rem;
  bottom: -10rem;
  background: rgba(124, 75, 40, 0.18);
}

.app-frame {
  position: relative;
  max-width: 1360px;
  margin: 0 auto;
  padding: 40px 24px 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3.2rem);
  letter-spacing: -0.04em;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-size: 0.8rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.topbar-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.panel {
  background: var(--panel);
  backdrop-filter: blur(24px);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.panel-header {
  margin-bottom: 20px;
}

.panel-header h2 {
  margin: 0 0 8px;
  font-size: 1.3rem;
}

.panel-header p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.auth-panel {
  width: min(560px, 100%);
  margin: 8vh auto 0;
  padding: 32px;
}

.auth-form {
  display: grid;
  gap: 16px;
}

.app-panel {
  display: grid;
  grid-template-columns: 400px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.side-panel,
.timeline-panel {
  padding: 24px;
}

.composer-form {
  display: grid;
  gap: 18px;
}

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

.field span {
  font-size: 0.92rem;
  color: var(--muted);
}

.field textarea,
.field input,
.field select {
  width: 100%;
  border: 1px solid rgba(89, 62, 34, 0.16);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  background: rgba(255, 252, 248, 0.92);
  color: var(--text);
}

.field textarea {
  resize: vertical;
  min-height: 180px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.toggle-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 252, 248, 0.72);
}

.toggle-row input {
  inline-size: 18px;
  block-size: 18px;
}

.upload-box {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(188, 84, 51, 0.08), rgba(110, 75, 44, 0.05));
}

.upload-copy p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

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

.upload-preview {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 14px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 252, 248, 0.82);
  border: 1px solid rgba(89, 62, 34, 0.1);
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.preview-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 16px;
}

.upload-meta p {
  margin: 0 0 8px;
  word-break: break-all;
}

.channel-hint {
  margin: -4px 0 2px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.92rem;
}

.muted-text {
  color: var(--muted);
}

.primary-button,
.ghost-button {
  border-radius: 999px;
  border: none;
  padding: 12px 20px;
  cursor: pointer;
  transition: transform 180ms ease, opacity 180ms ease, background-color 180ms ease;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff6f1;
  font-weight: 600;
}

.ghost-button {
  background: rgba(255, 250, 244, 0.66);
  color: var(--text);
  border: 1px solid rgba(89, 62, 34, 0.14);
}

.primary-button:hover,
.ghost-button:hover {
  transform: translateY(-1px);
}

.primary-button:disabled,
.ghost-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.timeline {
  display: grid;
  gap: 18px;
  min-height: 480px;
}

.job-thread {
  display: grid;
  gap: 12px;
}

.message-row {
  display: flex;
}

.user-row {
  justify-content: flex-start;
}

.assistant-row {
  justify-content: flex-end;
}

.message-card {
  position: relative;
  overflow: hidden;
  width: min(100%, 720px);
  padding: 18px 20px;
  border-radius: 24px;
  border: 1px solid rgba(78, 57, 34, 0.1);
  box-shadow: 0 12px 28px rgba(42, 31, 18, 0.06);
}

.user-card {
  background: linear-gradient(135deg, rgba(255, 253, 249, 0.96), rgba(253, 243, 230, 0.9));
}

.assistant-card {
  background: linear-gradient(135deg, rgba(63, 37, 22, 0.94), rgba(44, 28, 17, 0.96));
  color: #f8e9dc;
}

.assistant-card.assistant-loading::before {
  content: "";
  position: absolute;
  top: 0;
  left: -30%;
  width: 30%;
  height: 3px;
  background: linear-gradient(90deg, rgba(255, 214, 176, 0), rgba(255, 214, 176, 0.95), rgba(255, 214, 176, 0));
  animation: status-sweep 1.8s linear infinite;
}

.message-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.86rem;
  color: inherit;
  opacity: 0.78;
}

.message-text {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.65;
}

.message-image {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  object-fit: cover;
}

.message-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.message-meta {
  margin: 12px 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  margin-bottom: 12px;
  border-radius: 999px;
  font-size: 0.84rem;
  background: rgba(255, 240, 225, 0.12);
  border: 1px solid rgba(255, 236, 215, 0.12);
}

.status-pill[data-state="queued"] {
  background: rgba(255, 204, 138, 0.14);
  color: #ffe3c0;
}

.status-pill[data-state="running"] {
  background: rgba(255, 177, 122, 0.16);
  color: #ffd9ba;
}

.status-pill[data-state="succeeded"] {
  background: rgba(115, 205, 157, 0.16);
  color: #c9f1dc;
}

.status-pill[data-state="failed"] {
  background: rgba(229, 108, 88, 0.16);
  color: #ffd2ca;
}

.status-activity {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: rgba(255, 225, 203, 0.84);
  font-size: 0.9rem;
}

.activity-ping {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffcf9f;
  box-shadow: 0 0 0 0 rgba(255, 207, 159, 0.4);
  animation: status-ping 1.4s ease-out infinite;
}

.activity-dots {
  display: inline-flex;
  gap: 4px;
}

.activity-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255, 225, 203, 0.9);
  animation: status-dot 1.1s ease-in-out infinite;
}

.activity-dots span:nth-child(2) {
  animation-delay: 0.18s;
}

.activity-dots span:nth-child(3) {
  animation-delay: 0.36s;
}

.video-block {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.video-block video {
  width: 100%;
  border-radius: 18px;
  background: #180e09;
}

.video-link {
  color: #ffd8bf;
  word-break: break-all;
}

.payload-block {
  margin-top: 14px;
}

.payload-block summary {
  cursor: pointer;
  color: #ffe2cd;
}

.payload-block pre {
  overflow: auto;
  padding: 12px;
  border-radius: 16px;
  background: rgba(255, 248, 241, 0.08);
  font-size: 0.84rem;
  line-height: 1.55;
}

.inline-error {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-radius: 16px;
  color: #7e1608;
  background: rgba(207, 77, 44, 0.12);
  border: 1px solid rgba(207, 77, 44, 0.2);
}

.hidden {
  display: none !important;
}

@keyframes status-sweep {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(430%);
  }
}

@keyframes status-ping {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(255, 207, 159, 0.44);
  }

  70% {
    transform: scale(1.18);
    box-shadow: 0 0 0 14px rgba(255, 207, 159, 0);
  }

  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(255, 207, 159, 0);
  }
}

@keyframes status-dot {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.35;
  }

  40% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

@media (max-width: 1024px) {
  .app-panel {
    grid-template-columns: 1fr;
  }

  .side-panel {
    order: 2;
  }

  .timeline-panel {
    order: 1;
  }
}

@media (max-width: 720px) {
  .app-frame {
    padding: 24px 14px 20px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .auth-panel,
  .side-panel,
  .timeline-panel {
    padding: 18px;
  }

  .field-grid,
  .upload-preview {
    grid-template-columns: 1fr;
  }

  .upload-actions {
    flex-wrap: wrap;
  }

  .message-card {
    width: 100%;
  }
}