/* ProjectD v2 Dark Apple UI */
:root {
    --bg-color: #000000;
    --card-bg: #1c1c1e;
    --text-primary: #ffffff;
    --text-secondary: #8e8e93;
    --accent-color: #0a84ff;
    --border-color: #38383a;
    --danger-color: #ff453a;
    --success-color: #32d74b;
    --warning-color: #ffd60a;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

nav {
    background-color: rgba(28, 28, 30, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav a {
    color: var(--text-primary);
    text-decoration: none;
    margin-left: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

h1, h2, h3 {
    font-weight: 600;
    letter-spacing: -0.5px;
}

.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-item {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th {
    text-align: left;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
}

th:hover {
    color: var(--text-primary);
}

td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    opacity: 0.8;
}

.btn-danger { background-color: var(--danger-color); }
.btn-success { background-color: var(--success-color); }

input, select, textarea {
    background-color: #2c2c2e;
    border: 1px solid var(--border-color);
    color: white;
    padding: 12px;
    border-radius: 8px;
    width: 100%;
    box-sizing: border-box;
    margin-top: 5px;
    font-size: 14px;
}

.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success { background-color: rgba(50, 215, 75, 0.1); color: var(--success-color); border: 1px solid var(--success-color); }
.alert-danger { background-color: rgba(255, 69, 58, 0.1); color: var(--danger-color); border: 1px solid var(--danger-color); }

/* Table Sorting Indicator */
th.sort-asc::after { content: " ↑"; }
th.sort-desc::after { content: " ↓"; }