:root{--help-overlay-bg: var(--tm-overlay-modal, rgba(0, 0, 0, 0.45));--help-modal-bg: var(--bg-secondary, #ffffff);--help-modal-radius: 14px;--help-modal-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);--help-border: var(--border-color, #e5e7eb);--help-text-primary: var(--text-primary, #1f2937);--help-text-secondary: var(--text-secondary, #6b7280);--help-accent: var(--tm-brand-blue, #2563eb);--help-accent-hover: var(--accent-blue-hover, #1d4ed8);--help-bg-soft: var(--bg-primary, #f9fafb);--help-danger: #dc2626}[data-theme=dark]{--help-overlay-bg: var(--tm-overlay-modal, rgba(0, 0, 0, 0.6));--help-modal-bg: #1f2937;--help-border: #374151;--help-text-primary: var(--text-primary, #f3f4f6);--help-text-secondary: var(--text-secondary, #9ca3af);--help-bg-soft: #111827}.help-overlay{position:fixed;inset:0;z-index:10040;background:var(--help-overlay-bg)}.help-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10041;width:calc(100% - 32px);max-width:560px;max-height:calc(100vh - 48px);background:var(--help-modal-bg);border-radius:var(--help-modal-radius);box-shadow:var(--help-modal-shadow);display:flex;flex-direction:column;overflow:hidden}.help-header{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:12px 16px;border-bottom:1px solid var(--help-border);flex-shrink:0;gap:8px}.help-header-spacer{display:block}.help-header-title{font-size:16px;font-weight:600;color:var(--help-text-primary);text-align:center}.help-close-btn,.help-back-btn{display:inline-flex;align-items:center;gap:4px;padding:6px 10px;border:none;background:transparent;border-radius:8px;cursor:pointer;color:var(--help-text-secondary);font-size:14px;transition:background 0.15s}.help-back-btn{justify-self:start}.help-close-btn{width:32px;height:32px;padding:0;font-size:20px;justify-content:center;justify-self:end}.help-close-btn:hover,.help-back-btn:hover{background:var(--help-bg-soft);color:var(--help-text-primary)}.help-body{padding:16px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:16px}.help-mail-form{display:flex;flex-direction:column;gap:12px}.help-mail-form-title{font-size:15px;font-weight:600;color:var(--help-text-primary)}.help-mail-field{display:flex;flex-direction:column;gap:4px}.help-mail-field-label{font-size:13px;color:var(--help-text-secondary)}.help-mail-input{padding:10px 12px;border:1px solid var(--help-border);border-radius:8px;font-size:14px;color:var(--help-text-primary);background:var(--help-bg-soft);font-family:inherit}.help-mail-input:focus{outline:none;border-color:var(--help-accent)}.help-mail-textarea{resize:vertical;min-height:100px}.help-mail-counter{font-size:12px;color:var(--help-text-secondary);text-align:right}.help-mail-hint{font-size:12px;color:var(--help-text-secondary)}.help-mail-file-input{padding:6px;background:transparent}.help-mail-file-list{list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:4px}.help-mail-file-item{display:flex;align-items:center;gap:8px;padding:6px 8px;background:var(--help-bg-soft);border-radius:6px;font-size:12px;color:var(--help-text-primary)}.help-mail-file-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.help-mail-file-size{color:var(--help-text-secondary)}.help-mail-file-remove{border:none;background:transparent;color:var(--help-text-secondary);cursor:pointer;font-size:16px;line-height:1;padding:0 4px}.help-mail-file-remove:hover{color:var(--help-danger)}.help-mail-actions{display:flex;justify-content:flex-end;padding-top:4px}.help-mail-send-btn{padding:10px 24px;border:none;background:var(--help-accent);color:#ffffff;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:background 0.15s}.help-mail-send-btn:hover:not([disabled]){background:var(--help-accent-hover)}.help-mail-send-btn[disabled]{opacity:0.5;cursor:not-allowed}@media(max-width:480px){.help-modal{max-height:calc(100vh - 16px);border-radius:10px}.help-body{padding:12px}}