:root{--bg:#0f1724;--card:#0b1220;--muted:#94a3b8;--accent:#60a5fa;--surface:#071028}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:linear-gradient(180deg,#071028,#061025);color:#fff;min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:24px}.app{width:100%;max-width:900px}.header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.header h1{margin:0;font-size:1.6rem}.add-btn{background:var(--accent);color:#04203a;border:none;padding:8px 12px;border-radius:8px;font-weight:600;cursor:pointer}.container{background:#ffffff05;padding:18px;border-radius:12px;box-shadow:0 6px 20px #02061799}.contact-box{max-height:70vh;overflow-y:auto;padding-right:4px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.1) rgba(255,255,255,.02)}.contact-box{max-height:70vh;overflow-y:auto;background:#ffffff08;border-radius:12px;padding:12px;scrollbar-width:thin}.contact-box::-webkit-scrollbar{width:6px}.contact-box::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:6px}.contact-box::-webkit-scrollbar-track{background:#ffffff05}.searchbar{position:relative;margin-bottom:14px}.searchbar input{width:100%;padding:10px 40px 10px 12px;border-radius:8px;border:none;background:#ffffff08;color:#fff;outline:none;font-size:1rem}.searchbar .clear{position:absolute;right:6px;top:6px;border:none;background:transparent;color:var(--muted);font-size:18px;padding:6px;cursor:pointer}.state{padding:24px;text-align:center;color:var(--muted)}.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;list-style:none;padding:0;margin:0}.card{display:flex;gap:12px;align-items:center;padding:12px;border-radius:10px;background:linear-gradient(180deg,#ffffff05,#ffffff03);box-shadow:0 6px 14px #02061799}.avatar{width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;color:#fff}.card-body{flex:1}.name{margin:0 0 6px;font-size:1.05rem}.meta{color:var(--muted);font-size:.9rem}.footer{text-align:center;margin-top:14px;color:var(--muted)}.error{color:#ff9786;padding:10px;margin:8px 0;border-radius:8px;background:#ff79660f}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#02061799;display:flex;align-items:center;justify-content:center;padding:16px;z-index:999}.modal{width:100%;max-width:520px;background:linear-gradient(180deg,#061024,#041226);border-radius:12px;padding:14px;box-shadow:0 12px 40px #0009}.modal-header{display:flex;align-items:center;justify-content:space-between}.modal-header h2{margin:0}.close{background:transparent;border:none;color:var(--muted);font-size:20px;cursor:pointer}.modal-body{display:flex;flex-direction:column;gap:10px;margin-top:10px}.modal-body label{display:flex;flex-direction:column;font-size:14px;color:var(--muted)}.modal-body input{padding:8px;border-radius:8px;border:none;background:#ffffff05;color:#fff;outline:none}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:4px}.btn{padding:8px 12px;border-radius:8px;border:none;cursor:pointer}.btn.ghost{background:transparent;color:var(--muted);border:1px solid rgba(255,255,255,.03)}.btn.primary{background:var(--accent);color:#04203a;font-weight:700}mark{background:transparent;color:var(--accent);font-weight:700}.contact-detail-modal{max-width:400px;text-align:center;position:relative;padding-top:36px}.edit-input{width:100%;max-width:300px;padding:8px;border-radius:8px;border:none;background:#ffffff0d;color:#fff;font-size:1rem;text-align:center;outline:none}.edit-input:focus{background:#ffffff1a}.contact-detail-modal .close{position:absolute;top:10px;right:10px;background:transparent;border:none;color:var(--muted);font-size:20px;cursor:pointer}.contact-detail-content{display:flex;flex-direction:column;align-items:center;gap:12px}.avatar.large{width:100px;height:100px;border-radius:20px;font-size:2rem;display:flex;align-items:center;justify-content:center;font-weight:700}.contact-name{margin:0;font-size:1.5rem}.detail-item{font-size:1rem;color:var(--muted)}