* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    min-height: 100vh;
    background: linear-gradient(45deg, #000066, #000033);
    background-image: radial-gradient(circle at center, rgba(0, 255, 255, 0.1) 0%, transparent 70%),
                      linear-gradient(45deg, #000066, #000033);
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 400px;
    backdrop-filter: blur(10px);
}

.logo-container {
    text-align: center;
    margin-bottom: 20px;
}

.logo {
    width: 180px;
    height: auto;
    margin-bottom: 10px;
}

h2 {
    text-align: center;
    color: #000066;
    margin-bottom: 30px;
    font-size: 2em;
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input {
    width: 100%;
    padding: 10px 0;
    font-size: 16px;
    color: #000066;
    border: none;
    border-bottom: 2px solid #9ca3af;
    outline: none;
    background: transparent;
}

.form-group label {
    position: absolute;
    top: 0;
    left: 0;
    padding: 10px 0;
    font-size: 16px;
    color: #6b7280;
    pointer-events: none;
    transition: 0.5s;
}

.form-group input:focus ~ label,
.form-group input:valid ~ label {
    top: -20px;
    color: #00ccff;
    font-size: 12px;
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(45deg, #00ccff, #0099ff);
    color: #fff;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-btn:hover {
    background: linear-gradient(45deg, #0099ff, #00ccff);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 204, 255, 0.3);
}