:root {
    --lt-primary: #00e599;
    --lt-primary-dark: #00b377;
    --lt-accent: #ff9900;
    --lt-accent-dark: #e08500;
    --lt-bg: #0a0a0a;
    --lt-card-bg: #141414;
    --lt-card-sub: #1f1f1f;
    --lt-border: #262626;
    --lt-text: #a0a0a0;
    --lt-text-bright: #ffffff;
    --lt-sub: #666666;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--lt-bg); color: var(--lt-text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; font-size: 13px; line-height: 1.6; overflow-x: hidden; }
a { color: inherit; text-decoration: none; transition: 0.2s; }

.let-topbar { background: #000000; border-bottom: 1px solid var(--lt-border); font-size: 12px; height: 36px; line-height: 36px; color: var(--lt-sub); }
.let-topbar-inner { max-width: 1300px; margin: 0 auto; padding: 0 15px; display: flex; justify-content: flex-end; align-items: center; }

.let-header { background: var(--lt-bg); padding: 15px 0; border-bottom: 1px solid var(--lt-border); }
.let-header-inner { max-width: 1300px; margin: 0 auto; padding: 0 15px; display: flex; justify-content: space-between; align-items: center; }
.let-logo img { height: 36px; width: auto; max-width: 180px; object-fit: contain; filter: brightness(1.2); }

.let-nav-bar { background: #0f0f0f; border-bottom: 1px solid var(--lt-border); }
.let-nav-inner { max-width: 1300px; margin: 0 auto; padding: 0 15px; }
.let-nav-list { display: flex; list-style: none; flex-wrap: wrap; }
.let-nav-list li a { display: block; padding: 12px 20px; color: var(--lt-text); font-size: 14px; font-weight: 600; }
.let-nav-list li a:hover, .let-nav-list li.active a { color: var(--lt-primary); border-bottom: 2px solid var(--lt-primary); }

.let-notice { max-width: 1300px; margin: 15px auto 0; padding: 10px 15px; background: rgba(0, 229, 153, 0.08); border-left: 4px solid var(--lt-primary); border-radius: 2px; color: var(--lt-primary); font-size: 13px; }

.let-container { max-width: 1300px; margin: 20px auto; padding: 0 15px; min-height: 60vh; }

.let-section-head { display: flex; justify-content: space-between; align-items: center; margin: 30px 0 15px; border-bottom: 1px solid var(--lt-border); padding-bottom: 10px; }
.let-section-head h2 { font-size: 18px; font-weight: bold; color: var(--lt-text-bright); display: flex; align-items: center; }
.let-section-head h2::before { content: ""; width: 3px; height: 14px; background: var(--lt-primary); margin-right: 8px; border-radius: 2px; }

.let-box { background: var(--lt-card-bg); border: 1px solid var(--lt-border); margin-bottom: 20px; padding: 16px; border-radius: 4px; }

.let-grid-10 { display: grid; grid-template-columns: repeat(10, 1fr); gap: 8px; }
.let-grid-8 { display: grid; grid-template-columns: repeat(8, 1fr); gap: 10px; }
.let-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
.let-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }

.let-card-ticker { background: var(--lt-card-sub); border: 1px solid var(--lt-border); padding: 10px 6px; border-radius: 4px; text-align: center; transition: 0.2s; }
.let-card-ticker:hover { border-color: var(--lt-primary); transform: translateY(-2px); }
.let-ticker-name { font-size: 11px; color: var(--lt-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 4px; }
.let-ticker-val { font-size: 16px; font-weight: bold; color: var(--lt-primary); font-family: monospace; }

.let-card-wall { background: var(--lt-card-bg); border: 1px solid var(--lt-border); border-radius: 4px; overflow: hidden; transition: 0.2s; position: relative; }
.let-card-wall:hover { border-color: var(--lt-primary); transform: translateY(-3px); }
.let-wall-img-wrap { width: 100%; height: 90px; display: flex; align-items: center; justify-content: center; background: #000000; }
.let-wall-img-wrap img { max-width: 60px; max-height: 60px; object-fit: contain; }
.let-wall-badge { position: absolute; top: 6px; right: 6px; font-size: 10px; font-weight: bold; padding: 1px 4px; border-radius: 2px; }
.let-badge-green { background: var(--lt-primary); color: #000000; }
.let-badge-orange { background: var(--lt-accent); color: #000000; }
.let-wall-info { padding: 8px; }
.let-wall-name { font-size: 12px; font-weight: 600; color: var(--lt-text-bright); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 4px; }
.let-wall-price { font-size: 13px; font-weight: bold; color: var(--lt-accent); }

.let-row-item { display: flex; align-items: center; justify-content: space-between; padding: 9px 8px; border-bottom: 1px dashed var(--lt-border); font-size: 13px; }
.let-row-item:last-child { border-bottom: none; }
.let-rank-num { font-family: monospace; font-size: 12px; font-weight: bold; color: var(--lt-primary); margin-right: 8px; }

.let-card-item { border: 1px solid var(--lt-border); padding: 12px; text-align: center; background: var(--lt-card-sub); border-radius: 4px; transition: 0.2s; }
.let-card-item:hover { border-color: var(--lt-primary); transform: translateY(-2px); }
.let-card-img-box { width: 50px; height: 50px; margin: 0 auto 8px; display: flex; align-items: center; justify-content: center; background: #000000; border-radius: 4px; border: 1px solid var(--lt-border); }
.let-card-img-box img { max-width: 38px; max-height: 38px; object-fit: contain; }
.let-card-name { font-size: 13px; font-weight: 600; height: 36px; overflow: hidden; margin-bottom: 6px; color: var(--lt-text-bright); }
.let-card-price { font-size: 15px; font-weight: bold; color: var(--lt-accent); margin-bottom: 8px; }
.let-btn-buy { display: block; width: 100%; padding: 5px 0; background: var(--lt-primary); color: #000000; font-size: 12px; font-weight: bold; text-align: center; border-radius: 3px; }
.let-btn-buy:hover { background: var(--lt-primary-dark); }

.let-detail-layout { display: flex; gap: 25px; background: var(--lt-card-bg); border: 1px solid var(--lt-border); padding: 25px; border-radius: 4px; }
.let-detail-media { flex: 0 0 250px; text-align: center; }
.let-detail-img-wrap { width: 210px; height: 210px; margin: 0 auto 12px; border: 1px solid var(--lt-border); border-radius: 4px; display: flex; align-items: center; justify-content: center; background: #000000; padding: 10px; }
.let-detail-img-wrap img { max-width: 170px; max-height: 170px; object-fit: contain; }
.let-detail-info { flex: 1; }
.let-detail-name { font-size: 18px; font-weight: bold; color: var(--lt-text-bright); margin-bottom: 15px; padding-bottom: 10px; border-bottom: 1px solid var(--lt-border); }
.let-detail-meta-box { background: var(--lt-card-sub); border: 1px solid var(--lt-border); padding: 12px 18px; border-radius: 4px; margin-bottom: 20px; display: flex; justify-content: space-between; align-items: center; }

.let-form-group { margin-bottom: 15px; }
.let-form-label { display: block; font-weight: bold; margin-bottom: 6px; font-size: 13px; color: var(--lt-text); }
.let-input { width: 100%; height: 38px; background: var(--lt-card-sub); border: 1px solid var(--lt-border); border-radius: 3px; padding: 0 12px; outline: none; font-size: 13px; color: #ffffff; }
.let-input:focus { border-color: var(--lt-primary); }
.let-btn-submit { width: 100%; height: 44px; background: var(--lt-primary); color: #000000; font-size: 15px; font-weight: bold; border: none; border-radius: 3px; cursor: pointer; transition: 0.2s; }
.let-btn-submit:hover { background: var(--lt-primary-dark); }

.let-footer { background: #000000; border-top: 1px solid var(--lt-border); color: var(--lt-sub); padding: 30px 15px; text-align: center; margin-top: 40px; font-size: 13px; }
.let-footer-links { margin-bottom: 10px; }
.let-footer-links a { color: var(--lt-text); margin: 0 10px; font-weight: 500; }
.let-footer-links a:hover { color: var(--lt-primary); }

@media (max-width: 1100px) {
    .let-grid-10 { grid-template-columns: repeat(5, 1fr); }
    .let-grid-8 { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
    .let-grid-10 { grid-template-columns: repeat(3, 1fr); }
    .let-grid-8 { grid-template-columns: repeat(2, 1fr); }
    .let-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .let-detail-layout { flex-direction: column; }
    .let-detail-media { flex: 1; }
}
@media (max-width: 480px) {
    .let-grid-10, .let-grid-8, .let-grid-4, .let-grid-2 { grid-template-columns: 1fr; }
    .let-nav-list li a { padding: 9px 12px; font-size: 13px; }
}