:root {
    --bg-color: #0d1117;
    --card-bg: rgba(22, 27, 34, 0.7);
    --border-color: rgba(240, 246, 252, 0.1);
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-color: #1f6feb;
    --accent-hover: #388bfd;
    --success-color: #238636;
    --danger-color: #da3637;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* Glassmorphic Effects */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Auth Container */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.auth-form {
    width: 320px;
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 24px;
    color: var(--accent-hover);
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    font-size: 14px;
    margin-bottom: 5px;
    color: var(--text-secondary);
}

input {
    width: 100%;
    padding: 10px;
    background: #161b22;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    box-sizing: border-box;
}

input:focus {
    outline: none;
    border-color: var(--accent-hover);
}

button {
    width: 100%;
    padding: 10px;
    background-color: var(--accent-color);
    border: none;
    border-radius: 6px;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}

button:hover {
    background-color: var(--accent-hover);
}

/* Navigation & Header */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(13, 17, 23, 0.8);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 20px;
    font-weight: bold;
    color: var(--accent-hover);
}

/* Grid Layout for Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
}

.stat-value {
    font-size: 32px;
    font-weight: bold;
    margin-top: 10px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
}

/* Table styling */
table {
    width: 100%;
    border-collapse: collapse;
}

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

th {
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
}