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var(--border-color);cursor:pointer;border-radius:6px;padding:12px 24px;font-size:14px;font-weight:600;transition:all .3s}.btn-secondary:hover{background-color:var(--border-color)}.modal-overlay{z-index:1000;background-color:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background-color:var(--card-bg);width:90%;max-width:500px;box-shadow:var(--shadow-lg);border-radius:12px;padding:30px}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:15px;display:flex}.modal-header h2{color:var(--text-primary);margin:0;font-size:20px}.btn-close{color:var(--text-secondary);cursor:pointer;background:0 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var(--border-color);color:var(--text-primary);cursor:pointer;background-color:#fff;border-radius:6px;flex:1;padding:12px 20px;font-weight:600;transition:all .3s}.btn-cancel:hover{background-color:var(--light-bg)}.btn-submit{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:6px;flex:1;padding:12px 20px;font-weight:600;transition:all .3s}.btn-submit:hover{background-color:#1d4ed8}@media (width<=1024px){.detail-content{grid-template-columns:1fr;gap:20px;padding:20px}.specs-grid{grid-template-columns:repeat(2,1fr)}.action-buttons{grid-template-columns:1fr}.info-header{flex-direction:column}}@media (width<=640px){.detail-content{padding:15px}.info-header h1{font-size:22px}.price-large{font-size:24px}.specs-grid{grid-template-columns:1fr;gap:10px}.modal-content{padding:20px}}