:root {
    --primary-color: #338efe;
    --white-color: #fff;
    --black-color: #000;
    --text-color: #333;
    --border-color: #dbdbdb;

    --header-height: 120px;
    --navbar-height: 38px;
    --header-with-search-height: calc(var(--header-height) - var(--navbar-height));

    /* --background-color: linear-gradient(0, #fe6433, #f53e2d); */
    --background-color: linear-gradient(0, #338efe, #2d62f5);
}

* {
    box-sizing: inherit;
}

html {
    font-size: 62.5%;
    /* line-height: 1.6rem; */
    line-height: 1.6;
    font-family: "Roboto", sans-serif;
    box-sizing: border-box;
}

/* Tối ưu màn hình */
.grid {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;

}

.grid__full-width {
    width: 100%;
}

.grid__row {
    display: flex;
    flex-wrap: wrap;
}

/* Animation */
@keyframes fadeIn {
    0% {
        opacity: 0;
    }

    50% {
        opacity: 1;
    }
}

@keyframes growth {
    from {
        transform: scale(var(--growth-from));
    }

    to {
        transform: scale(var(--growth-to));
    }
}


/* Modal - chiếm hết màn hình */
/* .modal {
    position: fixed;
    top:0;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    animation: fadeIn linear 0.1s;
} */

/* modal - claude */
.modal {
    display: none;
    /* mặc định ẩn */
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    animation: fadeIn linear 0.1s;
    z-index: 1100;
}

/* test */
/* 
.auth-form {
    display: none;
} */

.modal__overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
}

.modal__body {
    --growth-from: 0.7;
    --growth-to: 1;
    margin: auto;
    position: relative;
    z-index: 1;
    animation: growth linear 0.1s;
}

/* button style */
.btn {
    min-width: 142px;
    min-height: 34px;
    text-decoration: none;
    border: none;
    border-radius: 2px;
    font-size: 1.5rem;
    padding: 0;
    outline: none;
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    line-height: 2rem;
}

.btn.btn--nornal:hover {
    background-color: rgba(0, 0, 0, 0.25);
}

.btn.btn--size-s {
    height: 32px;
    font-size: 12px;
}

.btn.btn--primary {
    color: var(--white-color);
    background-color: var(--primary-color);
}

/* css để hiển thị vô hiệu hóa */
.btn.btn--disabled {
    cursor: default;
    color: #ccc;
    background-color: #999;
}

/* btn - claude */
.btn.btn--with-icon {
    gap: 8px;
    padding: 0 12px;
}

/* container - claude */

.container {
    margin-top: var(--header-height);
    padding: 0 16px;
}