/* ========================================
   Settings Offcanvas — ใช้ร่วมทุกหน้า
   ======================================== */

/* Top Action Buttons */
.top-actions{position:fixed;top:6px;right:16px;z-index:9997;display:flex;gap:8px}
.top-actions-left{position:fixed;top:6px;left:16px;z-index:9997;display:flex;gap:8px}
.action-btn{
  background:var(--bg-card);border:1px solid var(--border);color:var(--text-muted);
  width:40px;height:40px;border-radius:12px;cursor:pointer;font-size:1.2rem;
  display:flex;align-items:center;justify-content:center;transition:all .2s;
  box-shadow:0 2px 8px rgba(0,0,0,.08)}
.action-btn:hover{background:var(--bg-card-hover);border-color:var(--border-hover)}
.action-btn.active{background:var(--border-hover);color:#fff}
.action-btn svg{pointer-events:none}

/* Settings Offcanvas */
#settingsPanel{position:fixed;top:0;right:-320px;width:300px;max-width:85vw;height:100vh;
  background:var(--bg-card);border-left:1px solid var(--border);z-index:9999;
  transition:right .3s ease;box-shadow:-4px 0 20px rgba(0,0,0,.15);overflow-y:auto}
#settingsPanel.open{right:0}
#settingsOverlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:9998}
#settingsOverlay.show{display:block}
.settings-header{padding:20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.settings-header h3{font-family:'Prompt',sans-serif;font-size:1.1rem;font-weight:700;color:var(--heading)}
.settings-close{background:none;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer;padding:4px;transition:color .2s}
.settings-close:hover{color:var(--text)}
.settings-section{padding:16px 20px;border-bottom:1px solid var(--border)}
.settings-label{font-size:.8rem;font-weight:600;color:var(--text-muted);letter-spacing:.05em;text-transform:uppercase;margin-bottom:10px}
.settings-row{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.settings-row:last-child{margin-bottom:0}
.settings-row label{flex:1;font-size:.9rem;color:var(--text)}
.settings-row select{
  flex:1;padding:8px 12px;border:1px solid var(--border);border-radius:10px;
  background:var(--bg);color:var(--text);font-family:'Sarabun',sans-serif;font-size:.9rem;
  appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a6d1b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;padding-right:30px}
.font-size-btn{width:36px;height:36px;border:1px solid var(--border);border-radius:10px;
  background:var(--bg);color:var(--text);font-size:1.1rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:all .2s}
.font-size-btn:hover{background:var(--bg-card-hover);border-color:var(--border-hover)}
.font-size-display{font-size:.9rem;font-weight:600;color:var(--text);min-width:40px;text-align:center}
.theme-switch{display:flex;gap:4px;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:3px;overflow:hidden}
.theme-switch button{flex:1;padding:8px 12px;border:none;border-radius:10px;font-size:.85rem;
  font-weight:600;cursor:pointer;transition:all .2s;background:transparent;color:var(--text-muted)}
.theme-switch button.active{background:var(--bg-card);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.1)}
.search-input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:12px;
  background:var(--bg);color:var(--text);font-family:'Sarabun',sans-serif;font-size:.9rem}
.search-input::placeholder{color:var(--text-muted)}
.search-input:focus{outline:none;border-color:var(--border-hover);box-shadow:0 0 0 3px rgba(201,162,39,.1)}