:root {
    --primary-color: #39c5bb; /* Miku Green */
    --secondary-color: #ff6699; /* Pink */
    --bg-color: #f4f7f6;
    --text-color: #333;
    --card-bg: #ffffff;
    --header-bg: #333;
    --header-text: #fff;
}

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

body {
    font-family: "Helvetica Neue", Helvetica, Arial, "PingFang TC", "Heiti TC", "Microsoft JhengHei", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 1rem 0;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 20px;
}

nav a {
    color: var(--header-text);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--primary-color);
}

.container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 20px;
}

h1, h2, h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

section {
    background: var(--card-bg);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

/* Table Styles */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

th, td {
    padding: 12px;
    border-bottom: 1px solid #eee;
    text-align: left;
}

th {
    background-color: #f9f9f9;
    color: var(--primary-color);
}

/* Performer Cards (Phase 2a) */
.performer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.performer-card {
    background: #fff;
    border: 1px solid #eee;
    padding: 1.5rem;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.performer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.performer-info h3 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.performer-intro {
    font-size: 0.9rem;
    color: #666;
}

.performer-hover-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(57, 197, 187, 0.95);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s;
    font-weight: bold;
}

.performer-card:hover .performer-hover-content {
    opacity: 1;
}

/* Links */
.external-links a {
    display: inline-block;
    margin-right: 15px;
    color: var(--secondary-color);
    text-decoration: none;
    border-bottom: 1px dashed var(--secondary-color);
}

.external-links a:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

footer {
    text-align: center;
    padding: 2rem;
    color: #888;
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 600px) {
    nav ul {
        flex-direction: column;
        gap: 10px;
    }
}