/* Tab Switcher Styles for Right Panel */
.tab-switcher {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  justify-content: flex-start;
}
.tab-btn {
  background: #f0f0f0;
  border: none;
  padding: 7px 18px;
  border-radius: 8px 8px 0 0;
  font-size: 1em;
  color: #444;
  cursor: pointer;
  transition: background 0.15s;
}
.tab-btn.active, .tab-btn:focus {
  background: #e7f0ff;
  color: #0061ff;
  font-weight: 600;
  outline: none;
}
.tab-content {
  margin-top: 0;
}
/* SEO Hero Section Styles */
.seo-hero {
  width: 100%;
  background: linear-gradient(90deg, #f9f9f9 60%, #e7f0ff 100%);
  padding: 0;
  margin: 0 0 32px 0;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}
.seo-content {
  max-width: 700px;
  width: 100%;
  margin: 32px 16px 0 16px;
  padding: 28px 24px 22px 24px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.seo-content h1 {
  font-size: 2.2em;
  margin-bottom: 10px;
  color: #222;
  font-weight: 700;
}
.seo-lead {
  font-size: 1.15em;
  margin-bottom: 12px;
  color: #444;
}
.seo-content ul {
  margin-bottom: 12px;
  padding-left: 20px;
  color: #333;
}
.seo-content li {
  margin-bottom: 4px;
  font-size: 1em;
}
.seo-cta {
  color: #0061ff;
  font-weight: 600;
  margin-top: 8px;
}
@media (max-width: 800px) {
  .seo-content {
    margin: 18px 4vw 0 4vw;
    padding: 18px 8px 14px 8px;
  }
  .seo-content h1 {
    font-size: 1.3em;
  }
}
body {
  min-height: 100vh;
  overflow-y: auto;
}


:root{
  --bg:#eef1f5; --panel-bg:#fff; --paper-bg:#fffdf7;
  --border:#d6d6d6; --shadow:rgba(0,0,0,0.12);
  --primary:#0061ff; --primary-light:#e7f0ff; --muted:#666;
  --radius:12px; --radius-sm:8px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%;overflow:hidden;font-family:Inter, sans-serif;background:var(--bg)}
.app-root{height:100vh;width:100vw;display:flex;gap:14px;padding:14px}
.panel{background:var(--panel-bg);border-radius:var(--radius);box-shadow:0 6px 25px var(--shadow);display:flex;flex-direction:column;overflow:hidden}
.panel-left{width:340px;flex-shrink:0}
.panel-right{width:300px;flex-shrink:0}
.panel-header{padding:20px;border-bottom:1px solid var(--border)}
.panel-body{padding:20px;overflow-y:auto;flex:1}
.panel-footer{padding:16px;border-top:1px solid var(--border);text-align:center}
.brand h1{font-size:20px;font-weight:700}
.brand .tag{font-size:12px;color:var(--muted)}
.controls-row{margin-bottom:22px}
.label{font-weight:600;margin-bottom:6px;font-size:13px;display:block}
.input,.select{width:100%;border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 10px;font-size:14px}
.small{font-size:12px}
.muted{color:var(--muted)}
.row{display:flex;align-items:center;gap:8px}
.divider{border:0;border-top:1px solid var(--border);margin:16px 0}
.btn{background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 14px;cursor:pointer;font-weight:600;transition:0.15s}
.btn:hover{background:#f5f5f5}
.btn-primary{background:var(--primary);border-color:var(--primary);color:white}
.btn-primary:hover{background:#0049d1}
.btn-ghost{background:var(--primary-light);color:#003894;border:1px solid #c6d8ff}
.btn-outline{background:white;border:2px solid var(--primary);color:var(--primary)}
.badge{background:var(--primary-light);color:#003894;padding:4px 10px;border-radius:var(--radius-sm);font-size:12px;font-weight:600}
.file-input{margin-top:6px;font-size:13px}
.hint{font-size:12px;color:var(--muted);margin-top:4px}
.tools-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.tool-btn{background:white;border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px;text-align:center;cursor:pointer;transition:0.15s}
.tool-btn:hover{background:#f0f0f0}
.tool-ic{font-size:20px}
.tool-label{font-size:12px;margin-top:2px;font-weight:600}
.canvas-area{flex:1;display:flex;justify-content:center;align-items:flex-start;padding-top:10px}
.paper{position:relative;width:595px;height:842px;background:var(--paper-bg);border-radius:var(--radius);box-shadow:0 10px 40px rgba(0,0,0,0.12);overflow:hidden}
#paperCanvas{width:100%;height:100%;display:block;user-select:none;touch-action:none}
.watermark{position:absolute;bottom:18px;left:20px;opacity:0.6;font-size:11px;pointer-events:none;font-weight:600;color:#666;text-decoration:none;display:flex;align-items:center;gap:4px}
.overlay-layer{position:absolute;inset:0;pointer-events:none}

/* HTML editable boxes (overlay) */
.box {
  position: absolute;
  min-width: 80px;
  min-height: 30px;
  overflow: visible;
  pointer-events: auto;
  transform-origin: top left;
  user-select: text;
  display:flex;
  align-items:flex-start;
  transition: box-shadow 0.2s ease;
}
.box.dragging {
  box-shadow: 0 8px 24px rgba(0, 97, 255, 0.3) !important;
}
.box .content {
  outline: none;
  white-space: pre-wrap;
  word-break: break-word;
  padding: 6px 8px;
  border-radius: 6px;
  background: transparent; /* transparent so paper shows through */
  line-height: 1.2;
  cursor: text;
  transition: all 0.1s ease;
}
.box .content.dragging-content {
  cursor: grabbing;
  background: rgba(0, 97, 255, 0.08);
  border-radius: 8px;
}

/* selection frame (HTML) */
.box-frame {
  position: absolute;
  border: 2px dashed #0061ff;
  border-radius: 6px;
  pointer-events: none;
  box-sizing: border-box;
}

/* handles — larger for easier grab */
.handle {
  position: absolute;
  width: 18px; height: 18px;
  background: #fff;
  border: 2px solid #0061ff;
  border-radius: 50%;
  pointer-events: auto;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 10px rgba(0,0,0,0.12);
  transition: all 0.2s ease;
  cursor: grab;
}
.handle:active {
  cursor: grabbing;
  background: #0061ff;
  color: white;
  box-shadow: 0 6px 16px rgba(0, 97, 255, 0.4);
}
.handle:hover {
  transform: scale(1.15);
  box-shadow: 0 6px 16px rgba(0, 97, 255, 0.4);
}
.handle.rotate { top: -28px; left: 50%; transform: translateX(-50%); }
.handle.tl { top: -9px; left: -9px; cursor: nwse-resize; }
.handle.tr { top: -9px; right: -9px; cursor: nesw-resize; }
.handle.bl { bottom: -9px; left: -9px; cursor: nesw-resize; }
.handle.br { bottom: -9px; right: -9px; cursor: nwse-resize; }
.handle.l { left: -9px; top: 50%; transform: translateY(-50%); cursor: ew-resize; }
.handle.r { right: -9px; top: 50%; transform: translateY(-50%); cursor: ew-resize; }
.handle.t { top: -9px; left: 50%; transform: translateX(-50%); cursor: ns-resize; }
.handle.b { bottom: -9px; left: 50%; transform: translateX(-50%); cursor: ns-resize; }

/* when box is focused (editing) give subtle background */
.box.editing .content { background: rgba(255,255,255,0.035); backdrop-filter: blur(0.1px); }

/* help list */
.help-list { padding-left:18px;font-size:14px;line-height:1.5 }
.modal{position:fixed;inset:0;display:none;justify-content:center;align-items:center;z-index:2000}
.modal[aria-hidden="false"]{display:flex}
.modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.4)}
.modal-box{position:relative;background:white;padding:24px;width:340px;border-radius:var(--radius);box-shadow:0 10px 30px var(--shadow);z-index:10}

@media (max-width:1200px){ .panel-right{ display:none } }
@media (max-width:950px){ .panel-left{ width:100% } .paper{ transform:scale(0.9); transform-origin:top center } }