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

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #eef2ff, #e0e7ff);
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    background: #ffffff;
    width: 100%;
    max-width: 420px;
    padding: 35px 30px;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

h1 {
    text-align: center;
    margin-bottom: 25px;
    color: #1f2937;
}

form input {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 15px;
    border-radius: 10px;
    border: 1px solid #d1d5db;
    font-size: 15px;
}

form input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99,102,241,0.2);
}

button {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 30px;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(79,70,229,0.4);
}