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

body {
    min-height: 100vh;
    padding: 30px 15px;

    display: flex;
    justify-content: center;
    align-items: center;

    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
}

.form-container {
    width: 100%;
    max-width: 500px;

    background: #ffffff;

    padding: 35px;

    border-radius: 24px;

    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
}

.form-header {
    text-align: center;
    margin-bottom: 30px;
}

.form-icon {
    width: 65px;
    height: 65px;

    margin: 0 auto 15px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: #f1f5f9;

    border-radius: 20px;

    font-size: 30px;
}

.form-header h1 {
    color: #0f172a;
    font-size: 26px;

    margin-bottom: 8px;
}

.form-header p {
    color: #64748b;
    font-size: 14px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;

    margin-bottom: 8px;

    color: #334155;

    font-size: 14px;
    font-weight: bold;
}

.input-group input {
    width: 100%;
    height: 52px;

    padding: 0 16px;

    border: 1px solid #e2e8f0;
    border-radius: 14px;

    outline: none;

    background: #f8fafc;

    color: #0f172a;

    font-size: 15px;

    transition: 0.25s;
}

.input-group input:focus {
    background: #ffffff;

    border-color: #64748b;

    box-shadow: 0 0 0 4px rgba(100, 116, 139, 0.1);
}

button {
    width: 100%;
    height: 54px;

    border: none;
    border-radius: 14px;

    background: #0f172a;
    color: #ffffff;

    font-size: 16px;
    font-weight: bold;

    cursor: pointer;

    transition: 0.25s;
}

button:hover {
    transform: translateY(-2px);

    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.2);
}

@media (max-width: 550px) {

    .form-container {
        padding: 25px 20px;
    }

    .form-header h1 {
        font-size: 23px;
    }
}