@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&family=Noto+Sans+SC:wght@400;700&family=Roboto+Mono:wght@400;700&display=swap');

:root {
    --bg-dark: #0a0e14;
    --accent-blue: #00f3ff;
    --accent-purple: #9d00ff;
    --accent-green: #39ff14;
    --accent-red: #ff0055;
    --glass-bg: rgba(16, 20, 30, 0.85);
    --glass-border: rgba(0, 243, 255, 0.2);
    --text-primary: #e0e6ed;
    --text-secondary: #94a3b8;
    --font-main: 'Noto Sans SC', sans-serif;
    --font-tech: 'Orbitron', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    /* 1. 科技感网格背景 */
    background-image: 
        linear-gradient(rgba(0, 243, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.05) 1px, transparent 1px),
        radial-gradient(circle at 50% 50%, #1a202c 0%, #0a0e14 100%);
    background-size: 40px 40px, 40px 40px, cover;
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
}

.background-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    /* 2. 极光/霓虹晕染效果 */
    background: 
        radial-gradient(circle at 10% 10%, rgba(0, 243, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 90%, rgba(157, 0, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 50% 0%, rgba(57, 255, 20, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1000px;
    margin: 60px auto;
    padding: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.8), inset 0 0 30px rgba(0, 243, 255, 0.05);
    position: relative;
    border-radius: 8px;
}

.title-calligraphy {
    font-family: var(--font-tech);
    font-size: 3.5rem;
    text-align: center;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 8px;
    margin-bottom: 0;
    text-shadow: 0 0 20px rgba(0, 243, 255, 0.6);
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 5px;
    font-size: 0.9rem;
}

.section {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 243, 255, 0.15);
    border-radius: 6px;
    padding: 25px;
    margin: 40px 0;
    position: relative;
    overflow: hidden;
}

/* 科技感边角装饰 */
.section::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 20px; height: 20px;
    border-top: 3px solid var(--accent-blue);
    border-left: 3px solid var(--accent-blue);
    background: transparent;
}

.section::after {
    content: "";
    position: absolute;
    bottom: 0; right: 0; width: 20px; height: 20px;
    border-bottom: 3px solid var(--accent-purple);
    border-right: 3px solid var(--accent-purple);
}

.section h2 {
    font-family: var(--font-tech);
    color: var(--accent-blue);
    border-bottom: 1px solid rgba(0, 243, 255, 0.3);
    padding-bottom: 12px;
    text-align: left;
    margin-bottom: 25px;
    font-size: 1.6rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.tabs { display: flex; justify-content: flex-start; gap: 12px; margin-bottom: 20px; }
.tab-btn {
    background: rgba(0, 243, 255, 0.08);
    border: 1px solid rgba(0, 243, 255, 0.3);
    padding: 10px 24px;
    font-family: var(--font-tech);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-secondary);
    border-radius: 4px;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.tab-btn.active {
    background: rgba(0, 243, 255, 0.25);
    color: var(--accent-blue);
    border-color: var(--accent-blue);
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.3);
}

.tab-btn:hover:not(.active) {
    border-color: var(--accent-blue);
    color: var(--text-primary);
    background: rgba(0, 243, 255, 0.15);
}

.list-container { display: none; }
.list-container.active { display: block; }

.rank-header {
    display: grid;
    grid-template-columns: 250px 100px 80px 80px 80px;
    justify-content: space-between;
    align-items: center;
    column-gap: 15px;
    padding: 15px;
    background: rgba(0, 243, 255, 0.15);
    border-bottom: 2px solid var(--accent-blue);
    font-weight: bold;
    font-size: 0.9rem;
    color: var(--accent-blue);
    font-family: var(--font-tech);
    letter-spacing: 1px;
}

.rank-item {
    display: grid;
    grid-template-columns: 250px 100px 80px 80px 80px;
    justify-content: space-between;
    align-items: center;
    column-gap: 15px;
    padding: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.2s ease;
}

.rank-item:hover {
    background: rgba(0, 243, 255, 0.08);
    transform: translateX(8px);
}

.rank-number {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    min-width: 35px;
    color: var(--text-secondary);
}

.rank-item:nth-child(-n+4) .rank-number {
    color: var(--accent-blue);
    text-shadow: 0 0 8px rgba(0, 243, 255, 0.4);
}

.rank-name {
    font-weight: bold;
    color: var(--text-primary);
    font-size: 1rem;
}

.rank-value {
    text-align: right;
    font-weight: bold;
    font-family: var(--font-mono);
    color: var(--accent-blue);
    font-size: 1rem;
}

.rank-delta-cell {
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.rank-delta-cell.daily { color: var(--accent-green); }
.rank-delta-cell.weekly { color: #3b82f6; }
.rank-delta-cell.monthly { color: var(--accent-purple); }

/* 巅峰荣耀布局 - 科技感卡片 */
.champions-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 20px;
}

.champion-row {
    display: flex;
    justify-content: space-between;
    gap: 15px;
}

.champion-card {
    flex: 1;
    min-width: 0;
    background: rgba(0, 243, 255, 0.05);
    border: 1px solid rgba(0, 243, 255, 0.3);
    border-radius: 6px;
    padding: 20px;
    text-align: left;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.champion-card:hover {
    background: rgba(0, 243, 255, 0.12);
    border-color: var(--accent-blue);
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.2);
    transform: translateY(-5px);
}

.champion-title {
    font-family: var(--font-tech);
    font-size: 1.1rem;
    color: var(--accent-blue);
    border-bottom: 1px solid rgba(0, 243, 255, 0.3);
    margin-bottom: 15px;
    padding-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.champion-server {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.champion-name {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: bold;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
    margin: 10px 0;
}

.champion-ranks {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px;
    border-radius: 4px;
    margin: 15px 0;
    font-family: var(--font-mono);
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.85rem;
}

.champion-ranks strong {
    color: var(--accent-blue);
}

.champion-delta {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-secondary);
}

.champion-delta span {
    color: var(--accent-green);
    font-weight: bold;
}

/* 受难者专用样式 */
.champion-row.bad-luck .champion-card {
    border-color: rgba(255, 0, 85, 0.3);
    background: rgba(255, 0, 85, 0.05);
}

.champion-row.bad-luck .champion-card:hover {
    border-color: var(--accent-red);
    box-shadow: 0 0 30px rgba(255, 0, 85, 0.2);
}

.champion-row.bad-luck .champion-title {
    color: var(--accent-red);
    border-bottom-color: rgba(255, 0, 85, 0.3);
}

.champion-row.bad-luck .champion-ranks strong {
    color: var(--accent-red);
}

.champion-row.bad-luck .champion-delta span {
    color: var(--accent-red);
}

.search-box input {
    width: 100%;
    padding: 15px 20px;
    font-family: var(--font-main);
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 243, 255, 0.2);
    color: var(--text-primary);
    border-radius: 6px;
    transition: all 0.3s;
    font-size: 1rem;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.2);
    background: rgba(0, 0, 0, 0.7);
}

.ancient-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 20px;
    margin-top: 20px;
}

.ancient-box {
    border-left: 3px solid var(--accent-blue);
    background: rgba(0, 243, 255, 0.03);
    padding: 12px;
    border-radius: 0 4px 4px 0;
}

.ancient-box.secondary {
    border-left-color: var(--accent-red);
    background: rgba(255, 0, 85, 0.03);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* 移动端适配同步优化 */
@media (max-width: 800px) {
    .container {
        margin: 10px;
        padding: 20px 15px;
    }
    
    .title-calligraphy {
        font-size: 2rem;
        letter-spacing: 4px;
    }

    .champion-row {
        flex-direction: column;
        gap: 15px;
    }

    .rank-header, .rank-item {
        grid-template-columns: 1fr 70px 60px;
        font-size: 0.8rem;
        padding: 12px 8px;
    }

    .rank-delta-cell.weekly, .rank-delta-cell.monthly {
        display: none;
    }

    .rank-guild {
        display: none;
    }
}

.loading {
    text-align: center;
    padding: 20px;
    color: var(--accent-blue);
    font-family: var(--font-tech);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.loading::after {
    content: "...";
    animation: dots 1.5s steps(3, end) infinite;
}

@keyframes dots {
    0% { content: "."; }
    33% { content: ".."; }
    66% { content: "..."; }
}

.page-footer {
    margin-top: 45px;
    padding-top: 18px;
    border-top: 1px solid rgba(0, 243, 255, 0.18);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.page-footer-item {
    opacity: 0.9;
}