/* ========================================
   老铁俱乐部 v1.0 - 极客风格样式
   Theme: Dark Terminal + Cyber Blue
   ======================================== */

:root {
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --bg-card-hover: #1c2128;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --terminal-green: #00ff00;
    --cyber-blue: #00d4ff;
    --cyber-purple: #bd93f9;
    --border-color: #30363d;
    --glow-blue: rgba(0, 212, 255, 0.5);
    --glow-green: rgba(0, 255, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 背景网格效果 */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 20px;
    z-index: 100;
}

.terminal-header {
    max-width: 800px;
    margin: 0 auto;
    font-size: 14px;
}

.prompt { color: var(--cyber-blue); margin-right: 8px; }
.command { color: var(--text-secondary); }

.cursor {
    color: var(--terminal-green);
    animation: blink 1s step-end infinite;
}

@keyframes blink { 50% { opacity: 0; }

/* 主容器 */
.container {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 120px 20px 40px;
    text-align: center;
}

.title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 0 20px var(--glow-blue);
}

.title-bracket { color: var(--cyber-blue); }

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 50px;
    letter-spacing: 2px;
}

/* 卡片网格 - 关键修复 */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
    width: 100%;
}

/* 卡片样式 */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px 20px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 180px;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--cyber-blue);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.15);
}

/* 卡片图标 */
.card-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.card-title {
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.card-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

/* 卡片状态标签 */
.card-status {
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 20px;
    display: inline-block;
    font-weight: 600;
    letter-spacing: 1px;
    margin-top: auto;
}

.card-status.online {
    background: rgba(0, 255, 0, 0.1);
    color: var(--terminal-green);
    border: 1px solid var(--terminal-green);
}

.card-status.building {
    background: rgba(255, 165, 0, 0.1);
    color: orange;
    border: 1px solid orange;
}

.card-status.ready {
    background: rgba(0, 212, 255, 0.1);
    color: var(--cyber-blue);
    border: 1px solid var(--cyber-blue);
}

/* 卡片悬停效果 */
.card-mail:hover { border-color: #ff6b6b; box-shadow: 0 10px 40px rgba(255, 107, 107, 0.15); }
.card-pan:hover { border-color: #feca57; box-shadow: 0 10px 40px rgba(254, 202, 87, 0.15); }
.card-timeline:hover { border-color: var(--terminal-green); box-shadow: 0 10px 40px rgba(0, 255, 0, 0.15); }
.card-mbti:hover { border-color: var(--cyber-purple); box-shadow: 0 10px 40px rgba(189, 147, 249, 0.2); }

/* Footer */
.footer {
    color: var(--text-secondary);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
}

.footer p { margin-bottom: 8px; }
.green { color: var(--terminal-green); }
.copyright { margin-top: 20px; opacity: 0.6; }

/* 右上角管理入口 */
.admin-entry {
    position: fixed;
    top: 20px;
    right: 20px;
    color: #8b949e;
    font-size: 0.85rem;
    text-decoration: none;
    padding: 8px 16px;
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 8px;
    z-index: 100;
    transition: all 0.3s ease;
}

.admin-entry:hover {
    color: #00d4ff;
    border-color: #00d4ff;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

/* 响应式 */
@media (max-width: 600px) {
    .title { font-size: 2.2rem; }
    .cards-grid { grid-template-columns: 1fr; }
    .container { padding: 100px 15px 30px; }
}