*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Utilisation de variables pour un code plus propre et pour garder les mêmes valeurs sur l'ensemble du site */
    --red: #c0392b;
    --white: #ffffff;
    --black: #000;
    --dim: rgba(255, 255, 255, 0.4);
    --card-border: rgba(255, 255, 255, 0.08);
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-7: 32px;
    --space-8: 40px;
    --space-9: 48px;
    --space-10: 64px;
    --space-11: 72px;
    --space-12: 80px;
    --space-13: 96px;
    --space-14: 112px;
    --space-15: 128px;
    --font-size-xs: 7px;
    --font-size-sm: 9px;
    --font-size-base: 10px;
    --font-size-lg: 13px;
    --font-size-2xl: 16px;
    --font-size-3xl: 24px;
    --font-size-4xl: 60px;
    --letter-spacing-1: 2px;
    --letter-spacing-2: 3px;
    --letter-spacing-3: 4px;
    --letter-spacing-4: 5px;
    --letter-spacing-5: 6px;
    --letter-spacing-6: 8px;
}

html,
body {
    min-height: 100%;
    background: var(--black);
    color: var(--white);
    font-family: 'HelveticaNeue', Helvetica, sans-serif;
    overflow-x: hidden;
}

/* SCROLLBAR */
/* la scrollbar par défaut faisait tache avec la palette de couleur utilisée, j'ai donc décidé de la rendre transparente */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.25);
    border-radius: 999px;
}

/* COMMENTS */
.comments-container {
    position: fixed;
    top: 0;
    right: 0;
    width: 500px;
    height: 100%;
    padding: var(--space-6);
    background: rgba(0, 0, 0, 0.82);
    backdrop-filter: blur(14px);
    border-left: 1px solid var(--card-border);
    z-index: 9500;
    transition: transform 0.25s ease, opacity 0.25s ease;
    transform: translateX(100%);
    opacity: 0;
    pointer-events: none;
}

.comments-container.opened {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
}

.comments-panel {
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    padding: var(--space-6);
    background:
        linear-gradient(180deg, rgba(192, 57, 43, 0.1), rgba(255, 255, 255, 0.02)),
        rgba(10, 10, 10, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: -16px 0 40px rgba(0, 0, 0, 0.35);
}

.comments-panel-head h2 {
    font-size: var(--font-size-3xl);
    letter-spacing: var(--letter-spacing-1);
    text-transform: uppercase;
    margin-bottom: var(--space-2);
}

.comments-panel-label,
.comment-date,
.comments-form-label {
    font-size: var(--font-size-base);
    letter-spacing: var(--letter-spacing-3);
    text-transform: uppercase;
    color: var(--red);
}


.comments-thread {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    flex: 1;
    overflow-y: auto;
    padding-right: var(--space-2);

}

.comments-thread::-webkit-scrollbar {
    width: 8px;
}

.comments-thread::-webkit-scrollbar-track {
    background: transparent;
}

.comments-thread::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.25);
    border-radius: 999px;
}


.comment-card {
    padding: var(--space-4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
}

.comment-card-head {
    display: flex;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-3);
}

.comment-author {
    font-size: var(--font-size-lg);
    letter-spacing: var(--letter-spacing-1);
    text-transform: uppercase;
}

.comment-body {
    color: rgba(255, 255, 255, 0.82);
    font-size: var(--font-size-lg);
    padding: var(--space-2) 0;
}

.comments-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

input.comments-input {
    width: 100%;
    min-height: var(--space-7);
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.03);
    color: var(--white);
    font: inherit;
    padding: 14px var(--space-4);
    outline: none;
}

textarea.comments-input {
    width: 100%;
    resize: vertical;
    min-height: var(--space-14);
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.03);
    color: var(--white);
    font: inherit;
    padding: var(--space-3) var(--space-4);
    outline: none;
}

.comments-input:focus {
    border-color: rgba(192, 57, 43, 0.75);
}

.comments-input::placeholder {
    color: rgba(255, 255, 255, 0.22);
    letter-spacing: var(--letter-spacing-1);
}

.comments-submit {
    align-self: flex-start;
    border: 1px solid rgba(192, 57, 43, 0.75);
    background: rgba(192, 57, 43, 0.14);
    color: var(--white);
    padding: var(--space-3) var(--space-5);
    font-family: 'HelveticaNeue', Helvetica, sans-serif;
    font-size: var(--font-size-lg);
    letter-spacing: var(--letter-spacing-3);
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.comments-submit:hover {
    background: rgba(192, 57, 43, 0.24);
    border-color: var(--red);
}

.comments-container-btn {
    position: fixed;
    right: var(--space-7);
    bottom: var(--space-7);
    width: var(--space-11);
    height: var(--space-11);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.88);
    cursor: pointer;
    z-index: 10002;
    transition: right 0.25s ease, transform 0.25s ease;
}

.comments-container.opened+.comments-container-btn {
    right: 532px;
}

/* NAV */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--space-10);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-15);
    border-bottom: 1px solid var(--card-border);
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 100;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.nav-logo-top {
    font-size: var(--font-size-xs);
    letter-spacing: var(--letter-spacing-5);
    color: var(--dim);
    text-transform: uppercase;
}

.nav-logo-main {
    font-size: var(--font-size-2xl);
    letter-spacing: var(--letter-spacing-1);
    color: var(--white);
    text-transform: uppercase;
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
}

.nav-toggle span {
    width: 18px;
    height: 1px;
    background: var(--white);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.nav-links {
    display: flex;
    gap: var(--space-8);
    list-style: none;
}

.nav-links a {
    font-size: var(--font-size-base);
    letter-spacing: var(--letter-spacing-5);
    text-transform: uppercase;
    color: var(--dim);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
}

.nav-links a.active {
    position: relative;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--red);
}

/* MAIN LAYOUT */
main {
    padding-top: var(--space-14);
    padding-bottom: var(--space-13);
    padding-left: var(--space-15);
    padding-right: var(--space-15);
}

/* PAGE HEADER */
.page-header {
    margin-bottom: var(--space-9);
}

.page-header-label {
    font-size: var(--font-size-base);
    letter-spacing: var(--letter-spacing-6);
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: var(--space-3);
}

.page-header-title {
    font-size: var(--font-size-4xl);
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--white);
}

.page-header-title .jp {
    font-family: 'MatissePro', serif;
    font-size: var(--font-size-3xl);
    color: var(--red);
    letter-spacing: var(--letter-spacing-1);
    display: block;
    margin-top: var(--space-2);
}

/* SEARCH BAR */
.search-wrap {
    margin-bottom: var(--space-7);
}

.search-inner {
    position: relative;
    display: flex;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.03);
    transition: border-color 0.2s;
}

.search-inner:focus-within {
    border-color: rgba(255, 255, 255, 0.5);
}

.search-icon {
    padding: 0 var(--space-5);
    color: var(--dim);
    font-size: 12px;
    letter-spacing: var(--letter-spacing-1);
    flex-shrink: 0;
    user-select: none;
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--white);
    font-family: 'HelveticaNeue', Helvetica, sans-serif;
    font-size: var(--font-size-lg);
    letter-spacing: var(--letter-spacing-2);
    padding: var(--space-4) 0;
    caret-color: var(--red);
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.2);
    letter-spacing: var(--letter-spacing-4);
    text-transform: uppercase;
    font-size: var(--font-size-base);
}

.search-count {
    padding: 0 var(--space-5);
    font-size: var(--font-size-sm);
    letter-spacing: var(--letter-spacing-3);
    color: var(--dim);
    text-transform: uppercase;
    flex-shrink: 0;
}

/* FILTERS */
.filters {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-8);
}

.filter-checkbox {
    display: none;
}

.filter-btn {
    font-family: 'HelveticaNeue', Helvetica, sans-serif;
    font-size: var(--font-size-sm);
    letter-spacing: var(--letter-spacing-4);
    text-transform: uppercase;
    color: var(--dim);
    border: 1px solid var(--card-border);
    background: transparent;
    padding: var(--space-2) var(--space-4);
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
    user-select: none;
    display: inline-block;
}

.filter-btn:hover {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.filter-checkbox:checked+.filter-btn {
    color: var(--black);
    background: var(--white);
    border-color: var(--white);
}

/* RESULTS META */
.results-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-5);
}

.results-meta span {
    font-size: var(--font-size-sm);
    letter-spacing: var(--letter-spacing-4);
    text-transform: uppercase;
    color: var(--dim);
}

/* CHARACTER GRID */
.character-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1px;
    background: var(--card-border);
    border: 1px solid var(--card-border);
}

/* CHARACTER CARD */
.character-card {
    background: var(--black);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    display: block;
    min-width: 0;
    scale: 0;
    opacity: 0;
    animation: .3s popIn ease-out forwards;
    animation-delay: calc((sibling-index() - 1) * .05s);
}

/* animation en différentiel créé à l'aide d'une nouvelle règle CSS (sibling-index() https://www.youtube.com/watch?v=ISHneblVJYI) */
/* Pas encore disponible sur Firefox */

@keyframes popIn {
    to {
        scale: 1;
        opacity: 1;
    }
}

.character-grid.filter-active .character-card {
    display: none;
}

.character-grid.filtrePilote .character-card.pilote,
.character-grid.filtreNerv .character-card.nerv,
.character-grid.filtreSeele .character-card.seele,
.character-grid.filtreCivil .character-card.civil,
.character-grid.filtreYui .character-card.yui,
.character-grid.filtreKyoko .character-card.kyoko,
.character-grid.filtreAutre .character-card.autre {
    display: block;
}

/* image area */
.card-image {
    width: 100%;
    aspect-ratio: 3/4;
    background: #0a0a0a;
    position: relative;
    overflow: hidden;
    display: grid;
    place-items: end center;
}

.card-image img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    transition: transform .3s ease;
}

.character-card:hover .card-image img {
    transform: scale(1.08);
}

/* Info bar */
.card-info {
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--card-border);
    transition: border-color 0.3s;
}

.character-card:hover .card-info {
    border-color: var(--red);
}

.card-name-jp {
    font-family: 'MatissePro', serif;
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: var(--letter-spacing-1);
    margin-bottom: var(--space-1);
}

.card-name-en {
    font-size: var(--font-size-lg);
    letter-spacing: var(--letter-spacing-1);
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: var(--space-2);
}

.card-tags {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.card-tag {
    font-size: var(--font-size-sm);
    letter-spacing: var(--letter-spacing-2);
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-1) var(--space-3);
}

/* BOTTOM BAR */
.bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--space-8);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--space-15);
    border-top: 1px solid var(--card-border);
    background: rgba(0, 0, 0, 1);
    z-index: 10001;
}

.bottom-bar span {
    font-size: var(--font-size-xs);
    letter-spacing: var(--letter-spacing-2);
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.35);
}

@media (max-width: 1100px) {
    nav {
        height: auto;
        min-height: var(--space-10);
        align-items: center;
        gap: var(--space-5);
        padding: var(--space-4) var(--space-8);
    }

    .nav-links {
        align-items: center;
        justify-content: flex-end;
        gap: var(--space-5);
        flex-wrap: wrap;
    }

    main {
        padding-top: var(--space-13);
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }

    .page-header-title {
        font-size: 48px;
    }

    .character-grid {
        grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    }

    .bottom-bar {
        padding: 0 var(--space-8);
    }
}

@media (max-width: 760px) {
    nav {
        position: sticky;
        display: grid;
        grid-template-columns: 1fr auto;
        align-items: center;
        padding: var(--space-4);
    }

    .nav-toggle {
        display: inline-flex;
    }

    .nav-links {
        grid-column: 1 / -1;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        flex-direction: column;
        justify-content: flex-start;
        gap: 0;
        padding-top: 0;
        border-top: 1px solid transparent;
        transition: max-height 0.25s ease, opacity 0.2s ease, padding-top 0.2s ease, border-color 0.2s ease, visibility 0.2s ease;
    }

    nav.nav-open .nav-links {
        max-height: 320px;
        opacity: 1;
        visibility: visible;
        padding-top: var(--space-4);
        border-top-color: var(--card-border);
    }

    .nav-links a {
        display: flex;
        min-height: 44px;
        align-items: center;
        letter-spacing: var(--letter-spacing-2);
    }

    .nav-links a.active::after {
        bottom: 7px;
    }

    main {
        padding: var(--space-7) var(--space-4) var(--space-11);
    }

    .page-header {
        margin-bottom: var(--space-7);
    }

    .page-header-label {
        letter-spacing: var(--letter-spacing-4);
    }

    .page-header-title {
        font-size: 36px;
        line-height: 1;
    }

    .page-header-title .jp {
        font-size: 20px;
    }

    .search-inner {
        align-items: stretch;
        flex-wrap: wrap;
    }

    .search-icon {
        display: none;
    }

    .search-input {
        flex-basis: 100%;
        padding: var(--space-4);
        min-height: 48px;
    }

    .search-count {
        width: 100%;
        padding: 0 var(--space-4) var(--space-4);
    }

    .filter-btn {
        padding: var(--space-3) var(--space-4);
        letter-spacing: var(--letter-spacing-2);
    }

    .results-meta {
        align-items: flex-start;
        flex-direction: column;
        gap: var(--space-2);
    }

    .character-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .card-name-en,
    .card-name-jp,
    .card-tag {
        overflow-wrap: anywhere;
    }

    .comments-container {
        width: 100%;
        padding: var(--space-3);
    }

    .comments-panel {
        padding: var(--space-4);
    }

    .comment-card-head {
        align-items: flex-start;
        flex-direction: column;
        gap: var(--space-1);
    }

    .comments-container-btn {
        right: var(--space-4);
        bottom: var(--space-10);
        width: 56px;
        height: 56px;
    }

    .comments-container.opened+.comments-container-btn {
        right: var(--space-4);
    }

    .bottom-bar {
        height: auto;
        min-height: var(--space-8);
        padding: var(--space-2) var(--space-4);
        gap: var(--space-3);
    }

    .bottom-bar span:last-child {
        display: none;
    }
}

@media (max-width: 420px) {
    .page-header-title {
        font-size: 30px;
    }

    .character-grid {
        grid-template-columns: 1fr 1fr;
    }
}