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400px;--help-widget-max-width: 600px;--help-widget-max-height: 80vh;position:fixed;bottom:24px;right:24px;width:var(--help-widget-width);min-width:var(--help-widget-min-width);max-width:min(var(--help-widget-max-width),calc(100vw - 48px));height:var(--help-widget-height);min-height:var(--help-widget-min-height);max-height:min(var(--help-widget-max-height),calc(100vh - 48px));background:var(--card-bg-color);border-radius:var(--radius-xl);box-shadow:0 8px 32px #00000026;z-index:9999;display:flex;flex-direction:column;overflow:hidden;opacity:0;transform:translateY(20px) scale(.95);pointer-events:none;transition:opacity var(--transition-slow),transform var(--transition-slow)}.help-widget-open{opacity:1;transform:translateY(0) 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svg{width:24px;height:24px;min-width:24px;min-height:24px;max-width:24px;max-height:24px;flex-shrink:0}.help-widget-header-title{font-size:var(--font-size-lg);font-weight:600;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.help-widget-header-actions{display:flex;gap:4px;flex-shrink:0}.help-widget-header-btn{width:32px;height:32px;border:none;background:#ffffff26;color:#fff;border-radius:var(--radius-md);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background var(--transition-fast),transform var(--transition-fast)}.help-widget-header-btn:hover{background:#ffffff40;transform:scale(1.05)}.help-widget-header-btn:active{transform:scale(.95)}.help-widget-header-btn svg{width:16px;height:16px;min-width:16px;min-height:16px;flex-shrink:0}.help-widget-content{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.help-widget-welcome{text-align:center;padding:4px 0 8px}.help-widget-welcome-text{font-size:var(--font-size-sm);color:var(--secondary-text-color);margin:0}.help-widget-nav-header{display:flex;align-items:center;gap:8px;margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid var(--border-color)}.help-widget-nav-title{font-size:var(--font-size-sm);font-weight:600;color:var(--text-color);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.help-widget-back-btn{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--secondary-text-color);cursor:pointer;transition:background var(--transition-fast),color var(--transition-fast)}.help-widget-back-btn:hover{background:var(--secondary-bg-color);color:var(--text-color);border-color:var(--primary-color)}.help-widget-back-btn svg{width:14px;height:14px;min-width:14px;min-height:14px;flex-shrink:0}.help-widget-cards{display:flex;flex-direction:column;gap:8px}.help-widget-tour-section{margin-top:12px;padding-top:12px;border-top:1px solid var(--border-color)}.help-widget-tour-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:8px 12px;background:transparent;color:var(--primary-color);border:1px dashed var(--primary-color);border-radius:8px;font-size:.8125rem;font-weight:500;cursor:pointer;transition:background-color .15s ease}.help-widget-tour-btn:hover{background-color:var(--accent-hover-bg-color, rgba(59, 130, 246, .1))}.help-widget-tour-btn svg{flex-shrink:0}.help-widget-card{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--secondary-bg-color);border:1px solid var(--border-color);border-radius:var(--radius-lg);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast),transform var(--transition-fast);text-align:left}.help-widget-card:hover{background:var(--card-bg-color);border-color:var(--primary-color);transform:translate(4px)}.help-widget-card:active{transform:translate(2px)}.help-widget-card-icon{width:36px;height:36px;border-radius:var(--radius-md);background:var(--primary-color);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}.help-widget-card-icon svg{width:20px;height:20px;min-width:20px;min-height:20px;flex-shrink:0}.help-widget-card-text{flex:1}.help-widget-card-title{font-size:var(--font-size-md);font-weight:500;color:var(--text-color);margin:0 0 2px}.help-widget-card-desc{font-size:var(--font-size-sm);color:var(--secondary-text-color);margin:0}.help-widget-card-arrow{width:16px;height:16px;color:var(--secondary-text-color);flex-shrink:0}.help-widget-card-arrow svg{width:16px;height:16px;min-width:16px;min-height:16px;flex-shrink:0}.help-widget-subcards{display:flex;flex-direction:column;gap:6px}.help-widget-subcard{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--card-bg-color);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast);text-align:left}.help-widget-subcard:hover{background:var(--secondary-bg-color);border-color:var(--primary-color)}.help-widget-subcard-icon{width:24px;height:24px;color:var(--primary-color);flex-shrink:0}.help-widget-subcard-icon svg{width:20px;height:20px;min-width:20px;min-height:20px;flex-shrink:0}.help-widget-subcard-text{font-size:var(--font-size-sm);color:var(--text-color);flex:1}.help-widget-guide{padding:12px 16px;background:var(--secondary-bg-color);border-radius:var(--radius-lg);border:1px solid 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.driver-popover-description{font-size:.8125rem}}