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

body {
    background: #0f172a;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: #f1f5f9;
}

.container {
    background: #1e293b;
    padding: 40px;
    border-radius: 16px;
    width: 380px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

h2 {
    text-align: center;
    margin-bottom: 25px;
}

input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: none;
    border-radius: 8px;
    background: #334155;
    color: white;
    font-size: 14px;
}

input:focus {
    outline: 2px solid #6366f1;
}

button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: #6366f1;
    color: white;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.2s ease;
}

button:hover {
    background: #4f46e5;
}

.link {
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
}

a {
    color: #818cf8;
    text-decoration: none;
}

.error {
    background: #7f1d1d;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
    text-align: center;
}

.success {
    background: #14532d;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
    text-align: center;
}