* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    font-family: Arial, sans-serif;
    background: #f7592b;
    padding: 16px;
}

.card {
    width: 100%;
    max-width: 420px;
    background-color: #ffffff;
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

h1 {
    margin-top: 0;
    margin-bottom: 18px;
    color: #222;
    text-align: center;
}

.field-label {
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
}

#length {
    width: 100%;
    margin-bottom: 16px;
}

.checks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
}

.checks label {
    font-size: 14px;
}

.output-wrap {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    margin-bottom: 14px;
}

.strength-wrap {
    margin-bottom: 14px;
}

.strength-head {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 6px;
}

.strength-track {
    width: 100%;
    height: 8px;
    background: #ececec;
    border-radius: 999px;
    overflow: hidden;
}

.strength-bar {
    height: 100%;
    width: 50%;
    border-radius: inherit;
    transition: width 0.2s ease, background-color 0.2s ease;
    background: #f0a500;
}

#password {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
}

button {
    border: 0;
    border-radius: 8px;
    padding: 10px 14px;
    cursor: pointer;
    font-weight: 700;
}

#copyBtn {
    background-color: #f5f5f5;
}

.generate {
    width: 100%;
    background-color: #f7592b;
    color: #fff;
}

#message {
    min-height: 20px;
    margin: 10px 0 0;
    font-size: 14px;
    color: #333;
    text-align: center;
}