:root {
    --bg-dark: #0f0f1a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --text-main: #ffffff;
    --primary: #00f2ff;
}

body {
    font-family: 'Segoe UI', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    margin: 0;
}

/* Login Box */
.login-box {
    width: 300px;
    margin: 100px auto;
    background: var(--glass-bg);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    text-align: center;
}

/* Input Fields */
input, select {
    width: 100%;
    padding: 12px;
    margin: 10px 0 20px;
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    color: white;
    box-sizing: border-box;
}

/* Header */
header {
    background: rgba(0,0,0,0.5);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

/* Dashboard Cards */
.container {
    padding: 20px;
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
    background: var(--glass-bg);
    padding: 25px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.1);
}

/* Buttons */
button {
    background: linear-gradient(45deg, var(--primary), #bc13fe);
    color: white;
    border: none;
    padding: 12px 25px;
    cursor: pointer;
    border-radius: 8px;
    font-weight: bold;
}