* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    height: 100vh;
}

/* 🔥 FULL BACKGROUND GRADIENT */
.container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;

    background: linear-gradient(135deg, #667eea, #ffffff);
}

/* 💎 CARD BOX */
.auth-box {
    width: 100%;
    max-width: 420px;
    padding: 40px 32px;

    border-radius: 16px;

    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);

    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.15),
        0 5px 20px rgba(0, 0, 0, 0.08);

    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 🔤 HEADINGS */
.auth-box h1 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.auth-box h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 25px;
    color: #444;
}

/* 📄 FORM */
form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* ✏️ INPUT */
.auth-box input {
    width: 100%;
    padding: 14px;

    border-radius: 8px;
    border: 1px solid #ddd;

    font-size: 14px;
    transition: all 0.3s ease;
}

.auth-box input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* 🔘 BUTTON */
.auth-box button {
    width: 100%;
    padding: 14px;

    border: none;
    border-radius: 8px;

    background: #667eea;
    color: white;

    font-weight: 600;
    cursor: pointer;

    transition: all 0.3s ease;
}

.auth-box button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

/* 🔗 LINKS */
.auth-box p {
    margin-top: 20px;
    font-size: 14px;
}

.auth-box a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.auth-box a:hover {
    text-decoration: underline;
}