:root {
    --bg-color: #12141c;         /* Deep dark navy-indigo background */
    --card-bg: #1c1f2b;          /* Dark muted navy container */
    --text-color: #d4e6d7;       /* Soft matcha-soda tinted text */
    --accent-color: #2e3440;     /* Deep Nordic navy for table headers */
    --border-color: #434c5e;     /* Slate border */
    --highlight: #88c0d0;        /* Miku's headphone cyan accent */
    --cardigan-brown: #d08770;   /* Warm cozy cardigan tone */
    --muted-text: #b8c9bc;       /* Soft matcha-gray for quotes/subtitles */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 20px;
}

header h1 {
    color: var(--highlight);
    margin-bottom: 5px;
}

.header-subtitle {
    font-size: 1.15rem;
    color: var(--cardigan-brown);
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.header-quote {
    font-style: italic;
    color: var(--muted-text);
}

.content-section {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

h2 {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    color: var(--highlight);
    margin-top: 0;
}

/* Table Layout & Styling */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 15px;
    background-color: #161922;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

caption {
    font-weight: 600;
    margin-bottom: 8px;
    text-align: left;
    color: var(--cardigan-brown);
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

th:last-child, td:last-child {
    border-right: none;
}

tr:last-child td {
    border-bottom: none;
}

th {
    background-color: var(--accent-color);
    color: var(--text-color);  /* Changed from white to soft matcha soda! */
    font-weight: 600;
}

tr:hover td {
    background-color: rgba(136, 192, 208, 0.08);
}

.miku-quote {
    background: rgba(46, 52, 64, 0.6);
    border-left: 4px solid var(--cardigan-brown);
    padding: 12px 15px;
    margin-top: 15px;
    border-radius: 0 6px 6px 0;
    font-style: italic;
    color: var(--text-color);
}
/* Headphone SVG Frame */
.miku-headphones-frame {
    text-align: center;
    margin-top: 10px;
    margin-bottom: -20px;
}

.headphones-svg {
    max-width: 480px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0px 4px 8px rgba(0, 0, 0, 0.5));
}