.snp-calculator{--bg:#080b10;--panel:#10151d;--panel2:#151b24;--line:#28313e;--text:#f5f7fb;--muted:#929cab;--red:#ff3b30;--orange:#ff8a00;--green:#28d17c;max-width:1180px;margin:20px auto;padding:24px;background:radial-gradient(circle at 85% 0%,rgba(255,59,48,.15),transparent 30%),radial-gradient(circle at 0 20%,rgba(77,163,255,.08),transparent 25%),var(--bg);border-radius:24px;color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;box-sizing:border-box}
.snp-calculator *{box-sizing:border-box}.snp-calculator button,.snp-calculator input{font:inherit}.snp-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.snp-brand{display:flex;align-items:center;gap:13px}.snp-logo{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;font-weight:900;background:linear-gradient(145deg,var(--red),var(--orange));box-shadow:0 12px 30px #ff3b3038}.snp-brand h1{margin:0;font-size:18px;color:#fff}.snp-brand p{margin:3px 0 0;color: #ffffff;font-size:14px;font-weight: bold;letter-spacing:1px}.snp-status{font-size:12px;color:#aeb7c5}.snp-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);margin-right:7px;box-shadow:0 0 12px var(--green)}
.snp-layout{display:grid;grid-template-columns:280px 1fr;gap:18px}.snp-side,.snp-main{background:#10151de8;border:1px solid #ffffff10;border-radius:21px;box-shadow:0 25px 70px #00000059}.snp-side{padding:14px;height:max-content}.snp-label{font-size:10px;letter-spacing:1.5px;color:#6f7989;padding:8px 10px}.snp-nav{display:grid;gap:6px}.snp-nav button{border:1px solid transparent;background:transparent;color:#aeb7c5;border-radius:13px;padding:12px;cursor:pointer;text-align:left;display:flex;align-items:center;gap:10px;transition:.18s}.snp-nav button:hover{background:#1a202a;color:#fff;border-color:#303a49}.snp-nav button.active{background:linear-gradient(100deg,#ff3b3025,#ff8a0010);color:#fff;border-color:#ff3b3048}.snp-nav button span:first-child{width:25px;text-align:center}.snp-num{margin-left:auto;font-size:10px;color:#687383}.snp-tip{margin-top:15px;padding:13px;border:1px solid var(--line);border-radius:15px;background:#0c1016;color:#7f8998;font-size:11px;line-height:1.5}.snp-main{padding:28px;min-height:650px}.snp-page{display:none}.snp-page.active{display:block}.snp-hero{display:flex;justify-content:space-between;gap:20px;margin-bottom:24px}.snp-kicker{font-size:10px;font-weight:800;letter-spacing:1.5px;color:#ff725f}.snp-hero h2{font-size:29px;letter-spacing:-.8px;margin:5px 0 7px;color:#fff}.snp-hero p,.snp-card>p{color:var(--muted);font-size:13px;line-height:1.6;margin:0}.snp-badge{height:max-content;white-space:nowrap;border:1px solid #303947;border-radius:99px;padding:8px 11px;background:#0d1118;color:#aeb7c5;font-size:10px}.snp-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.snp-card{background:linear-gradient(145deg,#151b24,#10151c);border:1px solid var(--line);border-radius:17px;padding:17px}.snp-card h3{font-size:13px;margin:0 0 14px;color:#fff}.snp-field{margin:11px 0}.snp-field label{display:flex;justify-content:space-between;color:#8993a2;font-size:11px;margin-bottom:7px}.snp-calculator input{width:100%;padding:12px 13px;border-radius:12px;border:1px solid #2b3543;background:#0b0f15;color:#fff;outline:none}.snp-calculator input:focus{border-color:#ff3b3099;box-shadow:0 0 0 3px #ff3b3015}.snp-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.snp-btn{border:1px solid #303a48;background:#171d27;color:#dce2eb;border-radius:12px;padding:11px 15px;cursor:pointer;font-weight:700;font-size:12px;transition:.18s}.snp-btn:hover{background:#222a35;border-color:#4a5667}.snp-btn.snp-primary{border:0;background:linear-gradient(135deg,var(--red),#ff7a00);color:#fff;box-shadow:0 9px 24px #ff3b3033}.snp-result{margin-top:15px;padding:16px;border-radius:15px;background:#0b1017;border:1px solid #2a3442}.snp-result.empty{text-align:center;color:#657080}.snp-big{font-size:28px;font-weight:900;color:#fff}.snp-rows{display:grid;gap:8px;margin-top:8px}.snp-row{display:flex;justify-content:space-between;border-bottom:1px dashed #29313d;padding:8px 0;font-size:12px;color:#fff}.snp-row span{color:#8f99a8}.snp-green{color:var(--green)}.snp-red{color:#ff766c}.snp-quick{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}.snp-quick button{padding:9px;border:1px solid #2b3542;background:#11161e;color:#bdc6d2;border-radius:10px;cursor:pointer}.snp-history{display:grid;gap:8px;max-height:430px;overflow:auto}.snp-history-item{padding:12px;border:1px solid #293341;background:#0d1219;border-radius:12px;font-size:12px;color:#fff}.snp-history-item small{display:block;color:#707b8b;margin-top:5px}.snp-empty-state{text-align:center;padding:30px;color:#6d7786;border:1px dashed #303846;border-radius:15px}.snp-footer{text-align:center;color:#FFFFFF;font-size:14px;font-weight:bold;margin-top:18px}
@media(max-width:850px){.snp-calculator{padding:12px}.snp-layout{grid-template-columns:1fr}.snp-side{position:sticky;top:8px;z-index:5}.snp-nav{grid-template-columns:repeat(4,1fr)}.snp-label,.snp-tip{display:none}.snp-nav button{flex-direction:column;justify-content:center;text-align:center;padding:9px 4px;gap:3px}.snp-num{display:none}.snp-nav button.active{border-color:#ff3b3048}.snp-main{padding:20px}}
@media(max-width:520px){.snp-top{align-items:flex-start}.snp-status{display:none}.snp-hero{display:block}.snp-hero h2{font-size:24px}.snp-badge{display:inline-block;margin-top:12px}.snp-grid{grid-template-columns:1fr}.snp-quick{grid-template-columns:repeat(2,1fr)}}

.snp-calculator .snp-footer {
    position: relative;
    margin-top: 30px;
    padding: 18px 25px;
    
    text-align: center;
    
    color: #d8def0;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.6;
    
    background:
        linear-gradient(
            135deg,
            rgba(20, 25, 38, 0.98),
            rgba(13, 17, 27, 0.98)
        );
    
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    
    overflow: hidden;
}


/* Vạch màu phía trên */
.snp-calculator .snp-footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 12%;
    right: 12%;
    height: 2px;
    
    background: linear-gradient(
        90deg,
        transparent,
        #5b7cff,
        #9b6cff,
        #ff4d4d,
        transparent
    );
    
    opacity: 0.9;
}


/* Hiệu ứng ánh sáng nhẹ */
.snp-calculator .snp-footer::after {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    left: 50%;
    top: -130px;
    
    transform: translateX(-50%);
    
    background: rgba(91, 124, 255, 0.12);
    filter: blur(45px);
    
    pointer-events: none;
}


/* Nội dung footer */
.snp-calculator .snp-footer {
    transition:
        border-color 0.25s ease,
        box-shadow 0.25s ease,
        transform 0.25s ease;
}

.snp-calculator .snp-footer:hover {
    border-color: rgba(91, 124, 255, 0.25);
    
    box-shadow:
        0 14px 35px rgba(0, 0, 0, 0.32),
        0 0 25px rgba(91, 124, 255, 0.05);
}


/* Tên thương hiệu */
.snp-calculator .snp-footer strong {
    color: #ffffff;
    font-weight: 700;
}


/* Smart Price Calculator */
.snp-calculator .snp-footer .snp-footer-title {
    color: #8ea7ff;
    font-weight: 600;
}
/*AUTHOR */

.snp-calculator .snp-author {
    display: inline-flex;
    align-items: center;

    margin-left: 4px;
    padding: 5px 12px;

    color: #ffffff;
    font-size: 12px;
    font-weight: 600;

    background: linear-gradient(
        135deg,
        #3b4fd8,
        #7c4dff
    );

    border: 1px solid rgba(255,255,255,.18);
    border-radius: 20px;

    box-shadow:
        0 4px 12px rgba(77,70,200,.35);

    transition: all .25s ease;
}


/* Thanh Pham */
.snp-calculator .snp-author b {
    margin-left: 4px;

    color: #ffffff;
    font-weight: 800;
    letter-spacing: .2px;
}


/* Hover */
.snp-calculator .snp-author:hover {
    transform: translateY(-1px);

    box-shadow:
        0 6px 18px rgba(77,70,200,.5);
}
/* Mobile */
@media (max-width: 768px) {

    .snp-calculator .snp-footer {
        padding: 15px 12px;
        font-size: 12px;
    }

    .snp-calculator .snp-author {
        margin-top: 5px;
    }
}