/* ── CSS 变量 ──────────────────────────────── */
:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #242736;
  --border: #2e3247;
  --accent: #4f7cff;
  --accent-hover: #6b94ff;
  --danger: #e05252;
  --success: #4caf82;
  --warning: #e0a052;
  --text: #e8eaf0;
  --text-dim: #8890aa;
  --text-mute: #555a72;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ── 按钮 ──────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover:not(:disabled) { background: var(--border); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { opacity: 0.85; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon { padding: 6px 8px; }

/* ── 输入框 ──────────────────────────────── */
input, textarea, select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 7px 10px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
}
input[type="number"] { width: 90px; }
input[type="color"] {
  width: 36px;
  height: 32px;
  padding: 2px;
  cursor: pointer;
}
input[type="checkbox"] {
  width: auto;
  cursor: pointer;
}
label { font-size: 12px; color: var(--text-dim); display: block; margin-bottom: 4px; }

/* ── 顶部导航 ──────────────────────────────── */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 52px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar-brand {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}
.navbar-brand span { color: var(--accent); }
.navbar-actions { display: flex; align-items: center; gap: 12px; }
.navbar-user { color: var(--text-dim); font-size: 13px; }

/* ── 主容器 ──────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* ── 卡片 ──────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

/* ── 表格 ──────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-mute);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface2); }
.td-actions { display: flex; gap: 6px; align-items: center; }

/* ── 状态徽章 ──────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge-draft    { background: #2a2d3a; color: var(--text-dim); }
.badge-save     { background: #2a3530; color: #6be0a0; }
.badge-confirmed { background: #2a3542; color: #6bb8ff; }
.badge-generating { background: #2a3042; color: #6ba0ff; }
.badge-done     { background: #1a3030; color: var(--success); }
.badge-error    { background: #3a1a1a; color: var(--danger); }
.badge-ready    { background: #1a3020; color: #4ade80; border: 1px solid #22c55e; }

/* ── Data table image status column ─────── */
.img-status-cell { white-space: nowrap; }
.data-img-status { font-size: 11px; padding: 2px 8px; border-radius: 20px; font-weight: 500; }
.data-img-status.ready   { background: #1a3020; color: #4ade80; border: 1px solid #22c55e; }
.data-img-status.pending { background: #2a3042; color: #6ba0ff; }
.data-img-status.none    { color: var(--text-mute); }

/* ── 空态 ──────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-mute);
}
.empty-state h3 { font-size: 16px; margin-bottom: 8px; color: var(--text-dim); }

/* ── Modal ─────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.65);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.show { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  width: 420px;
  max-width: 90vw;
  transform: translateY(-12px);
  transition: transform 0.2s;
}
.modal-overlay.show .modal { transform: translateY(0); }
.modal h3 { font-size: 16px; margin-bottom: 18px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }

/* ── Template list ─────────────────────────── */
.tpl-item {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  background: var(--surface2);
}
.tpl-item:hover { border-color: var(--accent); }
.tpl-item-thumb {
  width: 56px; height: 56px; flex-shrink: 0;
  border-radius: 4px; overflow: hidden;
  background: var(--surface); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
}
.tpl-item-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tpl-item-info { flex: 1; min-width: 0; }
.tpl-item-name { font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tpl-item-meta { font-size: 11px; color: var(--text-mute); margin-top: 2px; }
.tpl-item-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* ── Toast ─────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 9999;
}
.toast {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 13px;
  box-shadow: var(--shadow);
  animation: slideIn 0.2s ease;
}
.toast-success { border-left: 3px solid var(--success); }
.toast-error   { border-left: 3px solid var(--danger); }
.toast-info    { border-left: 3px solid var(--accent); }
@keyframes slideIn {
  from { transform: translateX(20px); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ── 登录页 ──────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
}
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 380px;
}
.login-box h1 { font-size: 22px; margin-bottom: 6px; }
.login-box .sub { color: var(--text-dim); margin-bottom: 28px; font-size: 13px; }
.form-group { margin-bottom: 16px; }
.form-group label { margin-bottom: 6px; }

/* ── Tab 栏 ──────────────────────────────── */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); }
.tab-btn {
  padding: 10px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── 编辑器布局 ──────────────────────────── */
.editor-layout {
  display: flex;
  height: calc(100vh - 52px);
  overflow: hidden;
}
.editor-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.editor-tabs-bar {
  display: flex;
  align-items: center;
  padding: 0 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  gap: 0;
  flex-shrink: 0;
}
.editor-header-info {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-dim);
  font-size: 12px;
}
.editor-content { flex: 1; overflow-y: auto; padding: 20px; }

/* ── Tab 1: 画布设置 ──────────────────────── */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  max-width: 800px;
}
.settings-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.settings-card h4 { margin-bottom: 14px; font-size: 13px; color: var(--text-dim); }
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s;
}
.upload-zone:hover { border-color: var(--accent); }
.upload-zone.has-file { border-color: var(--success); }
.upload-zone .hint { color: var(--text-mute); font-size: 12px; margin-top: 6px; }
.size-row { display: flex; align-items: center; gap: 8px; }

/* ── Tab 2: 模板设计器 ────────────────────── */
.designer-layout {
  display: flex;
  height: 100%;
  gap: 0;
  overflow: hidden;
}
.designer-toolbar {
  width: 56px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 0;
  gap: 6px;
  flex-shrink: 0;
}
.tool-btn {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text-dim);
  font-size: 18px;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  title: attr(title);
}
.tool-btn:hover { background: var(--surface2); color: var(--text); }
.tool-btn.active { background: var(--surface2); color: var(--accent); border-color: var(--border); }

.designer-canvas-wrap {
  flex: 1;
  overflow: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px;
  background: #0a0c12;
  position: relative;
}
#canvas-container {
  position: relative;
  box-shadow: 0 0 40px rgba(0,0,0,0.8);
  cursor: default;
  user-select: none;
  flex-shrink: 0;
}
#canvas-bg {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  pointer-events: none;
}
#canvas-bg-placeholder {
  position: absolute;
  inset: 0;
  background: #1a1d27;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-mute);
  font-size: 13px;
  pointer-events: none;
}
.widget-el {
  position: absolute;
  border: 1px solid transparent;
  cursor: move;
  overflow: hidden;
}
.widget-el:hover { border-color: rgba(79,124,255,0.5); }
.widget-el.selected { border-color: var(--accent); }
.widget-el .widget-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  background: rgba(0,0,0,0.3);
  pointer-events: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 4px;
}
/* 缩放手柄 */
.resize-handle {
  position: absolute;
  width: 8px; height: 8px;
  background: var(--accent);
  border: 1px solid #fff;
  border-radius: 2px;
  z-index: 10;
}
.resize-handle[data-dir="nw"] { top: -4px; left: -4px; cursor: nw-resize; }
.resize-handle[data-dir="n"]  { top: -4px; left: 50%; transform: translateX(-50%); cursor: n-resize; }
.resize-handle[data-dir="ne"] { top: -4px; right: -4px; cursor: ne-resize; }
.resize-handle[data-dir="e"]  { top: 50%; right: -4px; transform: translateY(-50%); cursor: e-resize; }
.resize-handle[data-dir="se"] { bottom: -4px; right: -4px; cursor: se-resize; }
.resize-handle[data-dir="s"]  { bottom: -4px; left: 50%; transform: translateX(-50%); cursor: s-resize; }
.resize-handle[data-dir="sw"] { bottom: -4px; left: -4px; cursor: sw-resize; }
.resize-handle[data-dir="w"]  { top: 50%; left: -4px; transform: translateY(-50%); cursor: w-resize; }

.designer-props {
  width: 260px;
  background: var(--surface);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px;
  flex-shrink: 0;
}
.designer-props h4 { font-size: 12px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 14px; }
.prop-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.prop-row label { width: 70px; flex-shrink: 0; margin-bottom: 0; }
.prop-row input, .prop-row select { flex: 1; }
.prop-row.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.prop-section { margin-bottom: 18px; }
.prop-section-title { font-size: 11px; color: var(--text-mute); text-transform: uppercase; margin-bottom: 10px; border-top: 1px solid var(--border); padding-top: 10px; }
.no-widget-hint { color: var(--text-mute); font-size: 12px; text-align: center; padding: 20px 0; }

/* ── Tab 3: 数据 ──────────────────────────── */
.data-layout { display: flex; gap: 16px; height: 100%; }
.data-toolbar { margin-bottom: 12px; display: flex; gap: 8px; align-items: center; }
.data-table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: calc(100vh - 280px);
}
.data-table { border-collapse: collapse; min-width: 100%; }
.data-table th, .data-table td {
  padding: 6px 10px;
  border: 1px solid var(--border);
  min-width: 100px;
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.data-table th {
  background: var(--surface2);
  font-size: 11px;
  color: var(--text-dim);
  position: sticky;
  top: 0;
  z-index: 1;
}
.data-table td:focus { outline: 1px solid var(--accent); }
.data-table .row-num {
  width: 36px;
  min-width: 36px;
  color: var(--text-mute);
  text-align: center;
  background: var(--surface2);
  cursor: default;
}
.data-stats { color: var(--text-dim); font-size: 12px; margin-top: 10px; }

/* ── Tab 4: 结果 ──────────────────────────── */
.generate-bar {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
  padding: 14px;
  background: var(--surface2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.progress-wrap { flex: 1; }
.progress-track {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s ease;
  width: 0;
}
.progress-text { font-size: 12px; color: var(--text-dim); margin-top: 5px; }
.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.thumb-item {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.15s;
  position: relative;
}
.thumb-item:hover { border-color: var(--accent); }
.thumb-item.thumb-ready { border-color: #22c55e; }
.thumb-ready-badge {
  position: absolute;
  top: 6px; left: 6px;
  background: #22c55e;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 20px;
  z-index: 1;
  pointer-events: none;
}
.thumb-item img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.thumb-item .thumb-info {
  padding: 6px 8px;
  font-size: 11px;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
}

/* ── Lightbox ──────────────────────────────── */
#lightbox {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.9);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}
#lightbox.show { display: flex; }
#lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
}
#lightbox .lb-close {
  position: absolute;
  top: 16px; right: 20px;
  background: none; border: none;
  color: #fff; font-size: 28px; cursor: pointer;
}
.lb-actions {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  align-items: center;
}
.btn-success {
  background: #22c55e;
  color: #fff;
  border: none;
}
.btn-success:hover { background: #16a34a; }
.btn-success:disabled { background: #4ade80; cursor: default; }

/* ── 滚动条 ──────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-mute); }

/* ── 分隔线 ──────────────────────────────── */
hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ── 响应式 ──────────────────────────────── */
@media (max-width: 768px) {
  .designer-props { width: 200px; }
  .designer-toolbar { width: 44px; }
}

/* ── 全局字体库 ─────────────────────────────── */
.font-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
}
.font-tag-del {
  background: none;
  border: none;
  color: var(--text-mute);
  cursor: pointer;
  font-size: 14px;
  padding: 0 2px;
  line-height: 1;
}
.font-tag-del:hover { color: var(--danger); }

/* ── 数据元数据栏 ─────────────────────────── */
.data-meta-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.data-meta-group {
  display: flex;
  align-items: center;
  gap: 6px;
}
.data-meta-label {
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
}
.data-meta-select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  padding: 3px 6px;
  font-size: 12px;
}
.data-meta-input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  padding: 3px 8px;
  font-size: 12px;
  width: 160px;
}
.data-meta-info {
  font-size: 12px;
  color: var(--text-dim);
}