:root {
  --bg: #050816;
  --bg-elevated: rgba(15, 23, 42, 0.92);
  --bg-elevated-soft: rgba(15, 23, 42, 0.88);
  --border-subtle: rgba(148, 163, 184, 0.3);
  --accent: #f97316;
  --accent-soft: rgba(248, 113, 113, 0.18);
  --text: #e5e7eb;
  --text-secondary: #9ca3af;
  --danger: #f97373;
  --success: #22c55e;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.9);
}

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

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "PingFang SC", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1d2440 0%, #050816 55%, #020617 100%);
  color: var(--text);
}

body {
  -webkit-font-smoothing: antialiased;
}

.page {
  min-height: 100vh;
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(
      135deg,
      rgba(248, 113, 113, 0.08),
      rgba(59, 130, 246, 0.08)
    ),
    rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(248, 113, 113, 0.28);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(16px);
}

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

.logo {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0%, #f97316, #ea580c);
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.8),
    0 0 40px rgba(248, 113, 113, 0.7);
  font-size: 20px;
}

.brand-text .title {
  font-size: 16px;
  font-weight: 600;
}

.brand-text .slogan {
  font-size: 12px;
  color: var(--text-secondary);
}

.owner {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.owner-name {
  color: #fbbf24;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(250, 204, 21, 0.12);
  border: 1px solid rgba(234, 179, 8, 0.4);
}

.main {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.card {
  border-radius: 18px;
  background: var(--bg-elevated-soft);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  padding: 14px 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
}

.status-text {
  font-size: 11px;
  color: var(--text-secondary);
}

.chat-messages {
  margin-top: 4px;
  padding: 10px 10px 8px;
  border-radius: 14px;
  background: radial-gradient(circle at top left, rgba(15, 118, 110, 0.32), transparent 50%),
    rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(55, 65, 81, 0.9);
  max-height: 420px;
  min-height: 170px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.message-row {
  display: flex;
}

.message-row.ai {
  justify-content: flex-start;
}

.message-row.user {
  justify-content: flex-end;
}

.bubble {
  max-width: 80%;
  padding: 8px 10px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.5;
  word-break: break-word;
  white-space: pre-wrap;
}

.bubble.ai {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.18), rgba(59, 130, 246, 0.26));
  border: 1px solid rgba(59, 130, 246, 0.5);
}

.bubble.user {
  background: linear-gradient(135deg, rgba(248, 113, 113, 0.3), rgba(234, 88, 12, 0.7));
  border: 1px solid rgba(248, 113, 113, 0.7);
}

.bubble.system {
  background: rgba(31, 41, 55, 0.9);
  border: 1px dashed rgba(75, 85, 99, 0.9);
  font-size: 12px;
}

.bubble-meta {
  display: block;
  margin-bottom: 2px;
  font-size: 11px;
  opacity: 0.8;
}

.bubble-meta.ai {
  color: #bfdbfe;
}

.bubble-meta.user {
  color: #fed7aa;
}

.chat-input {
  margin-top: 8px;
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.input {
  flex: 1;
  resize: none;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(75, 85, 99, 0.9);
  background: rgba(15, 23, 42, 0.96);
  color: var(--text);
  font-size: 13px;
  outline: none;
}

.input:focus {
  border-color: rgba(248, 113, 113, 0.8);
  box-shadow: 0 0 0 1px rgba(248, 113, 113, 0.6);
}

.btn {
  border: none;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.16s ease-out;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.primary-btn {
  background: linear-gradient(135deg, #f97316, #ea580c);
  color: #0b1120;
  box-shadow: 0 8px 20px rgba(248, 113, 113, 0.6);
}

.primary-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(248, 113, 113, 0.75);
}

.secondary-btn {
  background: rgba(15, 23, 42, 0.96);
  color: var(--text);
  border: 1px solid rgba(148, 163, 184, 0.7);
}

.secondary-btn:hover:not(:disabled) {
  background: rgba(30, 64, 175, 0.7);
  border-color: rgba(191, 219, 254, 0.95);
}

.hint {
  margin-top: 2px;
  font-size: 11px;
  color: var(--text-secondary);
}

.share-text {
  margin: 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.share-link-wrapper {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  align-items: center;
}

.share-link {
  flex: 1;
  font-size: 12px;
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  background: rgba(15, 23, 42, 0.98);
  color: #bfdbfe;
  text-decoration: none;
  word-break: break-all;
}

.share-link:hover {
  text-decoration: underline;
}

.share-hint {
  margin: 6px 0 0;
  font-size: 11px;
  color: var(--text-secondary);
}

.create-link-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.create-link-section .input {
  width: 100%;
}

.share-link-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.share-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.share-actions .btn {
  flex: 1;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 12px;
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(55, 65, 81, 0.9);
}

.footer {
  margin-top: 4px;
  font-size: 11px;
  color: var(--text-secondary);
  text-align: center;
}

@media (min-width: 768px) {
  .main {
    flex-direction: row;
    align-items: flex-start;
  }

  .chat-card {
    flex: 3;
  }

  .share-card {
    flex: 2;
  }
}