/* GLOBAL */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, Arial, sans-serif;
    background: #f5f6f8;
}

/* HEADER */
.header-bar {
    background: white;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #e6e6e6;
}

.header-title {
    font-size: 20px;
    font-weight: 700;
    color: #1f2937;
    margin: 0 auto;
}

/* BACK */
.back-btn {
    border: none;
    background: #f3f4f6;
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
}

.back-btn:hover {
    background: #e5e7eb;
}

/* CONTENT */
.center-root {
    max-width: 500px;
    margin: 40px auto;
    padding: 0 16px;
}

/* CARD */
.card {
    background: white;
    border: 1px solid #dcdcdc;
    border-radius: 10px;
    padding: 20px;
}

.card h2 {
    margin-top: 0;
    font-size: 16px;
}

.card p {
    font-size: 14px;
    color: #555;
}

/* INPUT */
input {
    width: 100%;
    padding: 10px;
    margin-top: 12px;
    margin-bottom: 12px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 14px;
}

/* BUTTON */
button {
    width: 100%;
    border: none;
    border-radius: 8px;
    padding: 10px;
    font-weight: 600;
    cursor: pointer;
}

.primary-btn {
    background: #4f7cff;
    color: white;
}

.primary-btn:hover {
    background: #3f6ae6;
}

/* MOBILE */
@media (max-width: 700px) {

    .header-bar {
        position: fixed;
        top: 0;
        width: 100%;
        height: 70px;
        z-index: 1000;

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

    .back-btn {
        position: absolute;
        left: 12px;
        top: 50%;
        transform: translateY(-50%);
    }

    .header-title {
        font-size: 16px;
    }

    .center-root {
        margin-top: 90px;
    }

    input {
        font-size: 16px;
    }
}