:root {
    --bg: #121212;
    --card: #1e1e1e;
    --text: #e0e0e0;
    --primary: #d4a017; /* CS2 Goldish */
    --accent: #2a2a2a;
    --danger: #cf6679;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    padding-bottom: 50px;
}

header {
    background: var(--card);
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--accent);
}
h1 { margin: 0; font-size: 1.2rem; color: var(--primary); }

nav {
    display: flex;
    background: var(--accent);
}
.nav-btn {
    flex: 1;
    background: none;
    border: none;
    color: #888;
    padding: 15px;
    font-size: 1rem;
    font-weight: bold;
}
.nav-btn.active {
    color: var(--primary);
    border-bottom: 3px solid var(--primary);
    background: rgba(212, 160, 23, 0.1);
}

.tab-content { display: none; padding: 15px; }
.tab-content.active { display: block; }

.card {
    background: var(--card);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}
.warning { border: 1px solid var(--danger); }

/* Availability Grid */
.player-row {
    background: var(--card);
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
}
.player-name {
    background: #252525;
    padding: 10px;
    font-weight: bold;
    color: var(--primary);
}
.days-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: #333;
}
.day-cell {
    background: var(--card);
    padding: 10px 2px;
    text-align: center;
    font-size: 0.8rem;
    cursor: pointer;
}
.day-label { font-size: 0.7rem; color: #888; display: block; margin-bottom: 4px; }
.avail-val { display: block; color: #fff; min-height: 1.2em; }
.avail-val.filled { color: #81c784; }

/* Inputs & Buttons */
input[type="text"], input[type="password"] {
    width: 100%;
    padding: 12px;
    background: #000;
    border: 1px solid #444;
    color: #fff;
    margin-bottom: 10px;
    box-sizing: border-box;
    border-radius: 4px;
}
button { cursor: pointer; }
.btn-primary { background: var(--primary); color: #000; border: none; padding: 12px; width: 100%; font-weight: bold; border-radius: 4px;}
.btn-danger { background: var(--danger); color: #000; border: none; padding: 12px; width: 100%; font-weight: bold; border-radius: 4px;}
.btn-secondary { background: #444; color: #fff; border: none; padding: 12px; border-radius: 4px;}

/* Match List */
ul { padding: 0; list-style: none; }
li { padding: 10px 0; border-bottom: 1px solid #333; }

/* Modal */
.modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex; align-items: center; justify-content: center;
    z-index: 100;
}
.hidden { display: none; }
.modal-content {
    background: var(--card);
    padding: 20px;
    width: 85%;
    border-radius: 8px;
}
.quick-select { display: flex; gap: 5px; margin-bottom: 10px; flex-wrap: wrap; }
.quick-select button { flex: 1; padding: 8px; background: #333; color: #fff; border: 1px solid #555; }
.modal-actions { display: flex; gap: 10px; margin-top: 10px; }
.modal-actions button { flex: 1; }

.small { font-size: 0.8rem; color: #888; }