/* ═══════════════════════════════════════════════════
   光湖呼吸动效 · 设计系统
   guanghuclip.cn · 光之湖出品
   ═══════════════════════════════════════════════════ */

:root {
  /* 光湖色系 */
  --gl-bg-primary: #0a0e1a;
  --gl-bg-secondary: #111827;
  --gl-bg-panel: #0f172a;
  --gl-bg-input: #1e293b;
  --gl-accent: #38bdf8;
  --gl-accent-dim: #0ea5e9;
  --gl-accent-glow: rgba(56, 189, 248, 0.3);
  --gl-accent-glow-strong: rgba(56, 189, 248, 0.5);
  --gl-text-primary: #e2e8f0;
  --gl-text-secondary: #94a3b8;
  --gl-text-muted: #64748b;
  --gl-success: #22c55e;
  --gl-success-glow: rgba(34, 197, 94, 0.3);
  --gl-warning: #f59e0b;
  --gl-error: #ef4444;
  --gl-disabled: #374151;
  --gl-border: #1e293b;
  --gl-border-glow: rgba(56, 189, 248, 0.15);

  /* 动效 */
  --gl-breath-duration: 4s;
  --gl-transition: 0.3s ease;
}

/* ── 全局重置 ─────────────────────────────────────── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--gl-bg-primary);
  color: var(--gl-text-primary);
  overflow: hidden;
  height: 100vh;
}

#app {
  height: 100vh;
  width: 100vw;
}

/* ── 光湖呼吸动画 ─────────────────────────────────── */
@keyframes glBreathe {
  0%, 100% { box-shadow: 0 0 8px var(--gl-accent-glow); }
  50% { box-shadow: 0 0 24px var(--gl-accent-glow-strong); }
}

@keyframes glBgPulse {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes glFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes glSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes glProgress {
  0% { background-position: 0% 0%; }
  100% { background-position: 200% 0%; }
}

/* ── 布局 ─────────────────────────────────────────── */
.gl-layout {
  display: flex;
  height: 100vh;
  width: 100vw;
  background: linear-gradient(135deg, #0a0e1a 0%, #0f1729 50%, #0a0e1a 100%);
  background-size: 200% 200%;
  animation: glBgPulse 8s ease-in-out infinite;
}

.gl-panel {
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.gl-panel-left {
  width: 40%;
  border-right: 1px solid var(--gl-border);
  position: relative;
}

.gl-panel-left::after {
  content: '';
  position: absolute;
  right: 0;
  top: 10%;
  bottom: 10%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--gl-accent-glow), transparent);
  animation: glBreathe var(--gl-breath-duration) ease-in-out infinite;
}

.gl-panel-right {
  width: 60%;
}

/* ── 面板头部 ─────────────────────────────────────── */
.gl-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--gl-border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.gl-header-icon {
  font-size: 20px;
}

.gl-header-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--gl-text-primary);
}

.gl-header-subtitle {
  font-size: 12px;
  color: var(--gl-text-muted);
  margin-left: auto;
}

/* ── 输入框 ───────────────────────────────────────── */
.gl-textarea {
  width: 100%;
  min-height: 120px;
  max-height: 300px;
  padding: 16px;
  background: var(--gl-bg-input);
  border: 1px solid var(--gl-border);
  border-radius: 12px;
  color: var(--gl-text-primary);
  font-size: 14px;
  line-height: 1.6;
  resize: vertical;
  transition: var(--gl-transition);
  outline: none;
  font-family: inherit;
}

.gl-textarea:focus {
  border-color: var(--gl-accent-dim);
  box-shadow: 0 0 0 3px var(--gl-accent-glow);
}

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

/* ── 按钮 ─────────────────────────────────────────── */
.gl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--gl-transition);
  font-family: inherit;
}

.gl-btn-primary {
  background: linear-gradient(135deg, var(--gl-accent-dim), var(--gl-accent));
  color: #0a0e1a;
  box-shadow: 0 0 12px var(--gl-accent-glow);
}

.gl-btn-primary:hover:not(:disabled) {
  box-shadow: 0 0 24px var(--gl-accent-glow-strong);
  transform: translateY(-1px);
}

.gl-btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.gl-btn-secondary {
  background: var(--gl-bg-input);
  color: var(--gl-text-primary);
  border: 1px solid var(--gl-border);
}

.gl-btn-secondary:hover {
  border-color: var(--gl-accent-dim);
}

.gl-btn-success {
  background: linear-gradient(135deg, #16a34a, var(--gl-success));
  color: white;
  box-shadow: 0 0 12px var(--gl-success-glow);
}

/* ── 模型选择器 ───────────────────────────────────── */
.gl-model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}

.gl-model-card {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--gl-border);
  background: var(--gl-bg-input);
  cursor: pointer;
  transition: var(--gl-transition);
  text-align: center;
}

.gl-model-card.active {
  border-color: var(--gl-accent);
  background: rgba(56, 189, 248, 0.08);
  animation: glBreathe var(--gl-breath-duration) ease-in-out infinite;
}

.gl-model-card.disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.gl-model-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--gl-text-primary);
}

.gl-model-tag {
  font-size: 11px;
  color: var(--gl-text-muted);
  margin-top: 2px;
}

/* ── 进度条 (能量充能环) ──────────────────────────── */
.gl-progress-wrap {
  padding: 32px;
  text-align: center;
}

.gl-progress-ring {
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
  position: relative;
}

.gl-progress-ring svg {
  transform: rotate(-90deg);
}

.gl-progress-ring circle {
  fill: none;
  stroke-width: 6;
  stroke-linecap: round;
}

.gl-progress-ring .track {
  stroke: var(--gl-border);
}

.gl-progress-ring .fill {
  stroke: var(--gl-accent);
  filter: drop-shadow(0 0 8px var(--gl-accent-glow));
  transition: stroke-dashoffset 0.5s ease;
}

.gl-progress-pct {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 24px;
  font-weight: 700;
  color: var(--gl-accent);
}

.gl-progress-msg {
  font-size: 13px;
  color: var(--gl-text-secondary);
}

/* ── 视频播放器 ───────────────────────────────────── */
.gl-video-wrap {
  padding: 16px;
  animation: glFadeIn 0.5s ease;
}

.gl-video-player {
  width: 100%;
  max-height: 400px;
  border-radius: 12px;
  background: #000;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.gl-video-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
}

/* ── 聊天 (左面板) ────────────────────────────────── */
.gl-chat-area {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gl-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.6;
  animation: glFadeIn 0.3s ease;
}

.gl-msg-bot {
  align-self: flex-start;
  background: var(--gl-bg-input);
  border: 1px solid var(--gl-border);
  color: var(--gl-text-primary);
}

.gl-msg-user {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(56, 189, 248, 0.08));
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: var(--gl-text-primary);
}

.gl-chat-input-wrap {
  padding: 12px 16px;
  border-top: 1px solid var(--gl-border);
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.gl-chat-input {
  flex: 1;
  padding: 10px 14px;
  background: var(--gl-bg-input);
  border: 1px solid var(--gl-border);
  border-radius: 10px;
  color: var(--gl-text-primary);
  font-size: 14px;
  outline: none;
  transition: var(--gl-transition);
  font-family: inherit;
}

.gl-chat-input:focus {
  border-color: var(--gl-accent-dim);
}

/* ── 内容区域 ─────────────────────────────────────── */
.gl-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.gl-section {
  margin-bottom: 20px;
}

.gl-section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--gl-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

/* ── 字数统计 ─────────────────────────────────────── */
.gl-char-count {
  font-size: 12px;
  color: var(--gl-text-muted);
  text-align: right;
  margin-top: 4px;
}

.gl-char-count.warn {
  color: var(--gl-warning);
}

.gl-char-count.error {
  color: var(--gl-error);
}

/* ── 参数面板 ─────────────────────────────────────── */
.gl-param-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.gl-param-label {
  font-size: 13px;
  color: var(--gl-text-secondary);
  min-width: 60px;
}

.gl-param-options {
  display: flex;
  gap: 6px;
}

.gl-param-chip {
  padding: 4px 12px;
  border-radius: 8px;
  font-size: 12px;
  border: 1px solid var(--gl-border);
  background: var(--gl-bg-input);
  color: var(--gl-text-secondary);
  cursor: pointer;
  transition: var(--gl-transition);
}

.gl-param-chip.active {
  border-color: var(--gl-accent);
  color: var(--gl-accent);
  background: rgba(56, 189, 248, 0.08);
}

/* ── 滚动条美化 ───────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--gl-border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gl-text-muted);
}