:root { --gold: #f59e0b; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; height: auto; font-family: system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); overflow-x: hidden; overflow-y: auto; }
.page-container { width: min(1200px, calc(100% - 32px)); margin: 24px auto; display: flex; gap: 24px; align-items: flex-start; }

.main-content { flex: 1; min-width: 0; }

.main-tab-nav {
    display: flex;
    gap: 0;
    margin: 16px 20px 12px;
    background: var(--table-header-bg, rgba(148, 163, 184, 0.08));
    padding: 6px;
    border: 1px solid var(--line);
    border-radius: 18px;
    width: calc(100% - 40px);
    box-sizing: border-box;
}
.main-tab-item {
    padding: 10px 0;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 800;
    color: var(--muted);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
    flex: 1;
    text-align: center;
}
.main-tab-item:hover { color: var(--text); }
.main-tab-item.active {
    color: #fff;
    background: var(--nav-active-bg, var(--primary));
    box-shadow: 0 4px 12px var(--nav-active-shadow, var(--primary-a2));
}

.benefits-sidebar { width: 300px; flex-shrink: 0; }
.benefits-sidebar::before,
.benefits-sidebar::after { content: none !important; display: none !important; }
.panel { background: var(--panel); border-radius: 16px; border: 1px solid var(--line); box-shadow: 0 4px 12px rgba(0,0,0,0.02); overflow: hidden; margin-bottom: 24px; }
.panel-body { padding: 0; }

.benefits-side-card {
    background: var(--panel) !important;
    border: 1px solid var(--line) !important;
    border-radius: 16px !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04) !important;
    overflow: hidden !important;
    margin-bottom: 20px;
}
.benefits-side-head {
    padding: 14px 18px;
    border-bottom: 1px solid var(--line);
    background: rgba(148, 163, 184, 0.04);
    font-size: 15px;
    font-weight: 800;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
}
.benefits-side-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.benefits-assets {
    background: var(--panel) !important;
    color: var(--text) !important;
    border: 1px solid var(--line) !important;
}
.benefits-assets .benefits-side-head {
    background: var(--primary) !important;
    color: #fff !important;
    border-bottom: none !important;
}
.asset-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.asset-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2px;
}
.asset-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.asset-tag {
    font-size: 9px;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 6px;
    background: var(--line);
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.asset-value-row {
    display: flex;
    align-items: baseline;
    gap: 6px;
}
.asset-value-large {
    font-size: 32px;
    font-weight: 900;
    color: #f59e0b;
    line-height: 1;
}
.asset-unit {
    font-size: 13px;
    font-weight: 800;
    color: #f59e0b;
    opacity: 0.8;
}
.asset-level-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    background: var(--line);
    color: #fff;
    border-radius: 8px;
    font-weight: 800;
    font-size: 14px;
    margin-bottom: 8px;
}
.asset-note-box {
    margin-top: 4px;
    padding: 12px;
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--line);
    font-size: 11px;
    line-height: 1.6;
    color: var(--muted);
}

.benefits-assets .exp-header { color: var(--muted); }
.benefits-assets .exp-track { background: var(--line); }
.benefits-assets .exp-level { color: var(--text); }
.benefits-assets .exp-text { color: var(--muted); }
.notice-list {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}
.notice-list li {
    position: relative;
    padding-left: 14px;
    margin-bottom: 8px;
    font-size: 12px;
    line-height: 1.6;
    color: var(--muted);
}
.notice-list li:last-child { margin-bottom: 0; }
.notice-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--gold);
}

.tab-slider-wrap-outer { padding: 16px 20px 0; }
.tab-slider-wrap {
    display: flex;
    background: rgba(148, 163, 184, 0.06);
    padding: 3px;
    border-radius: 10px;
    position: relative;
    margin-bottom: 16px;
    width: fit-content;
    border: 1px solid var(--line);
}
.tab-item {
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 700;
    color: var(--muted);
    cursor: pointer;
    position: relative;
    z-index: 2;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}
.tab-item.active { color: var(--primary) !important; }
.tab-bg-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    height: calc(100% - 6px);
    background: rgba(16, 185, 129, 0.1);
    border-radius: 8px;
    z-index: 1;
    transition: all 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

body[data-theme="dark"] .tab-bg-slider {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    box-shadow: none;
}

.content-slider-container {
    overflow: hidden;
    position: relative;
}
.content-slider-track {
    position: relative;
    min-height: 200px;
}
.content-slide {
    display: none;
    width: 100%;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.content-slide.active {
    display: block !important;
    opacity: 1 !important;
}

.task-list { display: flex; flex-direction: column; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin: 8px 20px 20px; }

.task-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: transparent !important;
    border: none;
    border-bottom: 1px solid var(--line);
    transition: all 0.2s;
}
.task-card:last-child { border-bottom: none; }
.task-card:hover { background: rgba(30, 41, 59, 0.04) !important; }

.task-info { display: flex; align-items: center; gap: 14px; flex: 1; }
.task-icon { width: 32px; height: 32px; background: rgba(148, 163, 184, 0.1); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; border: 1px solid var(--line); flex-shrink: 0; }
.task-detail h4 { margin: 0 0 1px; font-size: 13px; font-weight: 700; color: var(--text); }
.task-detail p { margin: 0; font-size: 11px; color: var(--muted); display: flex; align-items: center; gap: 4px; }

.task-reward-tag {
    background: rgba(245, 158, 11, 0.08);
    color: var(--gold);
    padding: 0 6px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 10px;
    border: 1px solid rgba(245, 158, 11, 0.1);
}

.task-btn { padding: 4px 12px; border-radius: 6px; font-size: 11px; font-weight: 700; text-decoration: none; border: none; cursor: pointer; transition: all 0.2s; }
.task-btn.todo { background: var(--primary-a15); color: var(--primary); }
.task-btn.todo:hover { background: var(--primary-a2); }
.task-btn.done { background: #f1f5f9; color: var(--muted); cursor: not-allowed; }

.exchange-grid-wrap { padding: 12px 20px 20px; width: 100%; overflow: visible; }
.exchange-grid {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 16px !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}
.item-card {
    background: var(--panel) !important;
    border: 1px solid var(--line) !important;
    border-radius: 16px !important;
    padding: 16px 12px !important;
    text-align: center !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    transition: all 0.2s ease !important;
    position: relative;
    z-index: 1;
}
.item-card:hover {
    border-color: var(--primary) !important;
    transform: translateY(-5px) !important;
    z-index: 10;
    box-shadow: 0 10px 25px rgba(30, 41, 59, 0.12) !important;
}

.item-img { width: 48px !important; height: 48px !important; margin-bottom: 12px !important; object-fit: contain !important; transition: transform 0.3s; }
.item-card:hover .item-img { transform: scale(1.1); }
.item-title { font-size: 13px !important; font-weight: 700 !important; margin-bottom: 6px !important; width: 100% !important; overflow: hidden !important; white-space: nowrap !important; text-overflow: ellipsis !important; color: var(--text) !important; transition: color 0.2s; }
.item-price { font-size: 13px !important; font-weight: 800 !important; color: var(--gold) !important; margin-bottom: 12px !important; display: flex !important; align-items: center !important; gap: 4px !important; }
.btn-exchange { width: 100% !important; padding: 8px 0 !important; background: #f8fafc !important; border: 1px solid var(--line) !important; border-radius: 8px !important; font-weight: 700 !important; cursor: pointer !important; font-size: 12px !important; color: var(--muted) !important; transition: all 0.2s !important; }
.btn-exchange:hover { background: var(--primary) !important; color: #fff !important; border-color: var(--primary) !important; }

@media (max-width: 900px) {
    .exchange-grid { grid-template-columns: repeat(3, 1fr) !important; }
}
@media (max-width: 500px) {
    .exchange-grid { grid-template-columns: repeat(2, 1fr) !important; }
}

body[data-theme="dark"] { --bg: #0f172a; --panel: #1e293b; --text: #f1f5f9; --muted: #94a3b8; --line: #334155; }
body[data-theme="dark"] .main-tab-nav { background: rgba(0, 0, 0, 0.2); border-color: var(--line); }
body[data-theme="dark"] .main-tab-item.active { color: #fff; }
body[data-theme="dark"] .tab-slider-wrap { background: rgba(0,0,0,0.2); }
body[data-theme="dark"] .item-card { background: rgba(0,0,0,0.2) !important; border-color: rgba(255,255,255,0.05) !important; }
body[data-theme="dark"] .item-card:hover { border-color: var(--primary) !important; background: rgba(0,0,0,0.3) !important; }
body[data-theme="dark"] .item-title { color: #ffffff !important; }
body[data-theme="dark"] .btn-exchange { background: rgba(255,255,255,0.05) !important; color: #94a3b8 !important; border-color: rgba(255,255,255,0.1) !important; }
body[data-theme="dark"] .btn-exchange:hover { background: var(--primary) !important; color: #fff !important; }
body[data-theme="dark"] .task-list { background: #1e293b; }
body[data-theme="dark"] .task-icon { background: #0f172a; }
body[data-theme="dark"] .task-card:hover { background: rgba(255,255,255,0.02) !important; }
body[data-theme="dark"] .task-btn.todo { background: var(--primary-a2); color: var(--primary); }
body[data-theme="dark"] .task-btn.todo:hover { background: var(--primary-a3); }

@media (max-width: 980px) {
    .page-container { display: block; }
    .main-content, .benefits-sidebar { width: 100%; }
    .benefits-sidebar { margin-top: 16px; }
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}
.modal-container {
    width: min(400px, 90vw);
    background: var(--panel);
    border-radius: 24px;
    padding: 32px;
    text-align: center;
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--line);
}
.modal-overlay.show .modal-container {
    transform: scale(1) translateY(0);
}
.modal-icon {
    width: 64px;
    height: 64px;
    background: #fef2f2;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: #ef4444;
}
.modal-icon.warning {
    background: #fffbeb;
    color: #f59e0b;
}
.modal-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 12px;
}
.modal-desc {
    font-size: 15px;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 24px;
}
.modal-btns {
    display: flex;
    gap: 12px;
}
.modal-btn {
    flex: 1;
    height: 48px;
    border-radius: 14px;
    border: none;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.modal-btn-cancel {
    background: var(--bg);
    color: #64748b;
}
.modal-btn-cancel:hover {
    background: var(--line);
    color: var(--text);
}
.modal-btn-primary {
    background: var(--primary);
    color: #fff;
}
.modal-btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--primary-a2);
}
body[data-theme="dark"] .modal-icon { background: rgba(239, 68, 68, 0.1); }
body[data-theme="dark"] .modal-icon.warning { background: rgba(245, 158, 11, 0.1); }
body[data-theme="dark"] .modal-desc { color: #94a3b8; }