/* General styles */
html {
    font-size: 62.5%;
    height: 100%;
}

body {
    height: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    font-family: var(--font-mono), sans-serif;
    font-weight: bold;
    color: var(--white);
    background-color: var(--grey-950);
}

/* =================== Main app =================== */
.main-app {
    display: flex;
    width: 52.8rem;
    max-width: 52.8rem;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-400);
}

.main-app__title {
    color: var(--grey-600);
}

.main-app__container {
    display: flex;
    width: 100%;
    flex-direction: column;
    gap: var(--spacing-300);
}

/*  =================== Main app output =================== */
.main-app__output {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-200) var(--spacing-400);
}

.placeholder {
    color: var(--grey-700);
}

.main-app__copy-btn {
    border: none;
    outline: none;
    position: relative;
    background: transparent;
    cursor: pointer;
}

.main-app__copy-btn svg {
    color: var(--white);
}

.copy-btn__copy-feedback-text {
    position: absolute;
    top: -2rem;
    left: 50%;
    transform: translate(-50%);
    opacity: 0;
    font-size: 1rem;
    color: var(--green-200);
}

.main-app__copy-btn.copied svg{
    color: var(--green-200);
}

.main-app__copy-btn.copied .copy-btn__copy-feedback-text {
    opacity: 1;
}


/*  =================== Main input =================== */
.main-app__input {
    padding: var(--spacing-300) var(--spacing-400);
}

.main-app__input-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-400);
}

/*  Input slider */
.main-app__slider {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-200);
}

.pass-lenght-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slider-value {
    color: var(--green-200);
}

.main-app__slider-input {
    appearance: none;
    width: 100%;
    height: 8px;
    background: var(--grey-850);
    opacity: 0.7;
    transition: opacity 0.2s;
}

/* Chrome, edge, safari */
.main-app__slider-input::-moz-range-thumb {
    appearance: none;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    background: white;
}

.main-app__slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    background: white;
}

.main-app__slider-input::-moz-range-thumb:active {
    background-color: var(--black);
    border: 2px solid var(--green-200);
}

.main-app__slider-input::-webkit-slider-thumb:active {
    background-color: var(--black);
    border: 2px solid var(--green-200);
}

/* Input checkboxes */
.main-app__checkboxes {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-200);
}

.main__app-checkbox {
    position: relative;
    display: flex;
    gap: var(--spacing-300);
    align-items: center;
}

.main-app__input-checkbox {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.custom-checkbox {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 2px solid var(--white);
    transition: background-color 0.2s, border 0.2s;
}

.main-app__input-checkbox:checked + .custom-checkbox {
    border: none;
    background-color: var(--green-200);
    background-image: url('../img/icon-check.svg');
    background-repeat: no-repeat;
    background-position: center;
}

/* ========== Bottom box =================== */
.main-app__bottom-box {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-400);
}

.main-app__strength {
    background-color: var(--grey-850);
    padding: var(--spacing-300) var(--spacing-400);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.strength__text {
    color: var(--grey-600);
    text-transform: uppercase;
}

.strength__rating-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-200);
}

.strength__current-rating {
    font-size: 2.4rem;
}

.strength__rating-bars {
    display: flex;
    gap: var(--spacing-100);
}

.strength__bar {
    width: 10px;
    height: 28px;
    outline: 2px solid var(--white);
}

/* Generate button */
.button-arrow {
    display: inline-block;
    margin-left: var(--spacing-100);
}

.main-app__generate-button {
    border: none;
    border-radius: 0;
    width: 100%;
    padding: var(--spacing-200) var(--spacing-2000);
    font-size: 1.8rem;
    background-color: var(--green-200);
    color: var(--black);
    transition: outline 0.2s, background-color 0.2s, color 0.2s;
}

/* Dynamic classes */
.rating-hidden {
    opacity: 0;
}

.strength__rating-bars.rated-too-weak .strength__bar:nth-child(-n + 1) {
    outline: 2px solid var(--red-500);
    background-color: var(--red-500);
}

.strength__rating-bars.rated-weak .strength__bar:nth-child(-n + 2) {
    outline: 2px solid var(--orange-400);
    background-color: var(--orange-400);
}

.strength__rating-bars.rated-medium .strength__bar:nth-child(-n + 3) {
    outline: 2px solid var(--yellow-300);
    background-color: var(--yellow-300);
}

.strength__rating-bars.rated-strong .strength__bar:nth-child(-n + 4) {
    outline: 2px solid var(--green-200);
    background-color: var(--green-200);
}
/* =================== Reusable classes =================== */
.text-preset-1 {
    font-size: var(--text-1-size);
    line-height: var(--text-1-line-height);
    letter-spacing: var(--text-1-letter-spacing);
}

.text-preset-2 {
    font-size: var(--text-2-size);
    line-height: var(--text-2-line-height);
    letter-spacing: var(--text-2-letter-spacing);
}

.text-preset-3 {
    font-size: var(--text-3-size);
    line-height: var(--text-3-line-height);
    letter-spacing: var(--text-3-letter-spacing);
}

.text-preset-4 {
    font-size: var(--text-4-size);
    line-height: var(--text-4-line-height);
    letter-spacing: var(--text-4-letter-spacing);
}

.bg-app {
    background-color: var(--grey-800);
}

/* ===== manage hover states ===== */
@media (hover: hover) {
    .custom-checkbox:hover {
        cursor: pointer;
        border: 2px solid var(--green-200);
    }

    .main-app__slider-input:hover {
        opacity: 1;
    }

    .main-app__generate-button:hover {
        cursor: pointer;
        outline: 2px solid var(--green-200);
        background-color: var(--grey-800);
        color: var(--green-200);
    }
}

/* ====== Media queries ====== */
@media (max-width: 550px) {

    html {
        font-size: 50%;
    }
    .main-app {
        max-width: 343px;
    }

    .main-app__gen-pass {
        font-size: var(--text-2-size);
    }

    .main-app__strength {
        padding: var(--spacing-200);
    }

    .main-app__generate-button {
        padding: var(--spacing-200) var(--spacing-1300);
    }
}