/* =========================================================
   PHOTOS
   Galerie personnelle. Les donnees viennent de
   data/photos.json, genere par scripts/build-photos.mjs a
   partir du dossier photos/. Les tags sont lus dans le nom
   des fichiers.
   ========================================================= */

/* display: flex sur un element masque par l attribut hidden gagne contre la
   feuille du navigateur. On tranche une fois pour toute la vue. */
#photos-view [hidden],
.photo-viewer [hidden] {
    display: none !important;
}

#photos-view .photos-wrap {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2.5rem 1.25rem 5rem;
    padding-left: max(1.25rem, env(safe-area-inset-left));
    padding-right: max(1.25rem, env(safe-area-inset-right));
}

/* --- HEADER --- */
#photos-view .photos-head {
    text-align: center;
    margin-bottom: 1.8rem;
}

#photos-view .title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(12px, 2.5vw, 22px);
    flex-wrap: wrap;
}

#photos-view .photos-head h1 {
    font-family: var(--cyber-font);
    font-size: clamp(1.9rem, 5vw, 3rem);
    letter-spacing: 4px;
    margin: 0;
    color: #fff;
    text-shadow: 2px 2px 0 var(--neon-green), -2px -2px 0 var(--neon-blue);
}

#photos-view .photos-total {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 8px 16px;
    border-radius: 999px;
    font-family: var(--code-font);
    font-weight: 700;
    font-size: clamp(.95rem, 2.4vw, 1.25rem);
    color: var(--neon-green);
    background: rgba(10, 255, 71, .07);
    border: 1px solid rgba(10, 255, 71, .45);
    box-shadow: 0 0 22px rgba(10, 255, 71, .16), inset 0 0 18px rgba(10, 255, 71, .05);
    line-height: 1;
    white-space: nowrap;
}

#photos-view .photos-total i {
    font-size: .9em;
    filter: drop-shadow(0 0 6px rgba(10, 255, 71, .7));
}

#photos-view .photos-total small {
    font-size: .55em;
    letter-spacing: 2px;
    opacity: .75;
    text-transform: uppercase;
}

#photos-view .photos-sub {
    margin-top: .9rem;
    font-family: var(--code-font);
    font-size: .8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: .55;
}

/* --- BARRE D OUTILS : TAGS ET MODE D AFFICHAGE --- */
#photos-view .photos-toolbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.6rem;
}

/* --- MENU DES ALBUMS ---
   Sur grand ecran, un panneau ancre sous le bouton. Sous 768 px il devient
   une feuille du bas : viser une liste flottante au pouce est penible, et le
   bas de l'ecran est la zone la plus facile a atteindre. */
#photos-view .album-picker {
    position: relative;
    flex: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

#photos-view .album-trigger {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 9px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(255, 255, 255, .04);
    color: #c9d1d9;
    font-family: var(--code-font);
    font-size: .7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: border-color .18s ease, color .18s ease, background .18s ease;
}

#photos-view .album-trigger:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, .26);
}

#photos-view .album-picker.is-filtered .album-trigger {
    color: var(--neon-green);
    border-color: rgba(10, 255, 71, .5);
    background: rgba(10, 255, 71, .08);
}

#photos-view .album-caret {
    font-size: .6em;
    opacity: .6;
    transition: transform .2s ease;
}

#photos-view .album-picker.open .album-caret {
    transform: rotate(180deg);
}

/* Sortir d'un album sans rouvrir le menu. */
#photos-view .album-clear {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid rgba(255, 0, 60, .35);
    background: rgba(255, 0, 60, .07);
    color: var(--neon-red);
    font-size: .7rem;
    cursor: pointer;
    transition: background .18s ease, border-color .18s ease;
}

#photos-view .album-clear:hover {
    background: rgba(255, 0, 60, .16);
    border-color: var(--neon-red);
}

#photos-view .album-sheet {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    z-index: 60;
    min-width: 250px;
    max-height: 60vh;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 6px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(10, 12, 15, .97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 22px 50px rgba(0, 0, 0, .7);
    animation: albumIn .16s ease both;
}

@keyframes albumIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

#photos-view .album-sheet-head {
    display: none;
}

#photos-view .album-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    border: none;
    border-radius: 10px;
    background: none;
    color: #c9d1d9;
    font-family: var(--code-font);
    font-size: .74rem;
    text-align: left;
    cursor: pointer;
    transition: background .15s ease, color .15s ease;
}

#photos-view .album-option:hover,
#photos-view .album-option:focus-visible {
    background: rgba(255, 255, 255, .06);
    color: #fff;
    outline: none;
}

#photos-view .album-option.active {
    color: var(--neon-green);
    background: rgba(10, 255, 71, .08);
}

#photos-view .album-option i {
    width: 14px;
    font-size: .8em;
    opacity: .7;
}

#photos-view .album-name {
    flex: 1 1 auto;
}

#photos-view .album-count {
    flex: none;
    font-size: .85em;
    opacity: .5;
}

#photos-view .tag-bar {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    flex: 1 1 320px;
}

#photos-view .tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* N'apparait qu'au dela d'une vingtaine de tags, quand parcourir la liste a
   l'oeil devient plus long que taper trois lettres. */
#photos-view .tag-search {
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 999px;
    color: #e6e6e6;
    font-family: var(--code-font);
    font-size: .7rem;
    padding: 8px 14px;
    width: min(220px, 100%);
    outline: none;
    transition: border-color .18s ease;
}

#photos-view .tag-search:focus {
    border-color: rgba(10, 255, 71, .5);
}

#photos-view .tag {
    display: inline-flex;
    align-items: baseline;
    gap: 7px;
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(255, 255, 255, .1);
    color: #8b949e;
    font-family: var(--code-font);
    font-size: .7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 8px 13px;
    border-radius: 999px;
    cursor: pointer;
    transition: color .18s ease, border-color .18s ease, background .18s ease;
}

#photos-view .tag:hover {
    color: #e6e6e6;
    border-color: rgba(255, 255, 255, .24);
}

#photos-view .tag.active {
    color: var(--neon-green);
    border-color: rgba(10, 255, 71, .5);
    background: rgba(10, 255, 71, .08);
}

/* Un tag qui ne coexiste avec aucune selection en cours ne menerait qu'a une
   grille vide : il reste lisible mais devient inerte. */
#photos-view .tag.is-dead {
    opacity: .32;
    cursor: default;
    pointer-events: none;
}

#photos-view .tag-more {
    color: #e6e6e6;
    border-style: dashed;
}

#photos-view .tag-clear {
    color: var(--neon-red);
    border-color: rgba(255, 0, 60, .4);
}

#photos-view .tag-clear:hover {
    background: rgba(255, 0, 60, .08);
    color: var(--neon-red);
}

#photos-view .tag-count {
    font-size: .85em;
    opacity: .55;
}

/* Le selecteur de mode, deux boutons collés facon segment. */
#photos-view .mode-group {
    flex: none;
    display: flex;
    gap: 2px;
    padding: 3px;
    border-radius: 10px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .08);
}

#photos-view .mode-btn {
    background: none;
    border: none;
    color: #8b949e;
    font-family: var(--code-font);
    font-size: .65rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 8px 13px;
    border-radius: 7px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    transition: background .18s ease, color .18s ease;
}

#photos-view .mode-btn.active {
    background: rgba(10, 255, 71, .14);
    color: #fff;
}

/* --- GRILLE SERREE, FACON PELLICULE --- */
#photos-view .photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(156px, 1fr));
    gap: 3px;
}

#photos-view .photo-grid .shot {
    aspect-ratio: 1 / 1;
}

/* --- MODE PROPORTIONS REELLES, EN COLONNES --- */
/* Chaque photo garde son rapport. Les colonnes CSS gardent l ordre de
   lecture de haut en bas, ce qui suffit pour une galerie et evite le calcul
   de positions qu'impose une vraie mosaique. */
#photos-view .photo-columns {
    column-count: 4;
    column-gap: 14px;
}

#photos-view .photo-columns .shot {
    width: 100%;
    margin: 0 0 14px;
    border-radius: 10px;
    /* Une case de colonne coupee entre deux colonnes casserait la photo. */
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
}

#photos-view .photo-columns .shot img {
    border-radius: 10px;
}

/* --- LA CASE --- */
#photos-view .shot {
    position: relative;
    display: block;
    width: 100%;
    padding: 0;
    border: none;
    background: #0a0e12;
    overflow: hidden;
    cursor: pointer;
    animation: shotIn .4s ease both;
}

@keyframes shotIn {
    from {
        opacity: 0;
        transform: scale(.97);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

#photos-view .shot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0;
    transition: opacity .4s ease, transform .45s cubic-bezier(.22, .61, .36, 1);
}

#photos-view .shot img.ready {
    opacity: 1;
}

#photos-view .shot:hover img {
    transform: scale(1.06);
}

#photos-view .shot:focus-visible {
    outline: 2px solid var(--neon-green);
    outline-offset: 2px;
}

/* Le voile n apparait qu au survol : en grille serree le sujet doit rester
   lisible, et au doigt le titre est de toute facon dans la visionneuse. */
#photos-view .shot-veil {
    position: absolute;
    inset: auto 0 0 0;
    padding: 1.8rem .7rem .6rem;
    background: linear-gradient(180deg, transparent, rgba(3, 5, 7, .85));
    font-family: var(--code-font);
    font-size: .68rem;
    color: #fff;
    text-align: left;
    opacity: 0;
    transition: opacity .25s ease;
    pointer-events: none;
}

#photos-view .shot:hover .shot-veil,
#photos-view .shot:focus-visible .shot-veil {
    opacity: 1;
}

#photos-view .photos-status {
    text-align: center;
    font-family: var(--code-font);
    font-size: .78rem;
    letter-spacing: 1px;
    color: #6e7681;
    padding: 2.5rem 0 0;
}

#photos-view .photos-status .ok {
    color: var(--neon-green);
}

#photos-view .photos-empty {
    text-align: center;
    padding: 4rem 1rem;
    border: 1px dashed rgba(255, 255, 255, .12);
    border-radius: 16px;
    background: rgba(255, 255, 255, .015);
}

#photos-view .photos-empty i {
    font-size: 2.4rem;
    color: #2f3742;
    margin-bottom: 1rem;
}

#photos-view .photos-empty p {
    font-family: var(--code-font);
    font-size: .8rem;
    line-height: 1.9;
    color: #6e7681;
}

#photos-view .photos-empty code {
    color: var(--neon-green);
    background: rgba(10, 255, 71, .07);
    border: 1px solid rgba(10, 255, 71, .2);
    border-radius: 5px;
    padding: 2px 7px;
}

/* =========================================================
   VISIONNEUSE
   ========================================================= */

.photo-viewer {
    position: fixed;
    inset: 0;
    z-index: 4000;
    display: none;
    flex-direction: column;
    background: rgba(3, 4, 6, .98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    overscroll-behavior: contain;
}

.photo-viewer.open {
    display: flex;
    animation: readerIn .22s ease both;
}

body.photo-open {
    overflow: hidden;
}

/* La barre passe par dessus l'image au lieu de lui prendre une rangee.
   Sur un ecran large l'apercu est borne par sa hauteur : les soixante-dix
   pixels de la barre coutaient une centaine de pixels de largeur a l'image.
   C'est aussi ce que font les visionneuses du systeme. */
.photo-viewer .pv-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: .8rem;
    padding: .7rem clamp(.7rem, 2vw, 1.2rem) 2.2rem;
    /* Un element absolu se cale sur la boite de rembourrage de son parent :
       le padding-top de securite de la visionneuse ne le repousse pas, il
       doit porter le sien. Sans cela la croix de fermeture se retrouve sous
       l encoche et devient inatteignable. */
    padding-top: calc(.7rem + env(safe-area-inset-top));
    padding-left: max(.7rem, env(safe-area-inset-left));
    padding-right: max(.7rem, env(safe-area-inset-right));
    background: linear-gradient(180deg, rgba(3, 4, 6, .92), rgba(3, 4, 6, .55) 55%, transparent);
    /* Le degrade couvre le haut de l'image : il ne doit intercepter ni la
       molette ni le deplacement, seuls ses boutons restent cliquables. */
    pointer-events: none;
}

.photo-viewer .pv-close,
.photo-viewer .pv-tag {
    pointer-events: auto;
}

.photo-viewer .pv-close {
    flex: none;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(255, 255, 255, .04);
    color: #e6e6e6;
    font-size: 1rem;
    cursor: pointer;
    transition: background .18s ease, color .18s ease;
}

.photo-viewer .pv-close:hover {
    background: rgba(255, 0, 60, .12);
    color: var(--neon-red);
}

.photo-viewer .pv-heading {
    flex: 1 1 auto;
    min-width: 0;
}

.photo-viewer .pv-heading h2 {
    font-family: var(--cyber-font);
    font-size: clamp(.85rem, 2.2vw, 1.1rem);
    color: #fff;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.photo-viewer .pv-tags {
    display: flex;
    gap: 6px;
    margin-top: 3px;
    flex-wrap: wrap;
}

.photo-viewer .pv-tag {
    font-family: var(--code-font);
    font-size: .58rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--neon-green);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.photo-viewer .pv-tag:hover {
    text-decoration: underline;
}

.photo-viewer .pv-counter {
    flex: none;
    font-family: var(--code-font);
    font-size: .65rem;
    letter-spacing: 2px;
    color: #8b949e;
    white-space: nowrap;
}

.photo-viewer .pv-stage {
    position: relative;
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Aucune marge : l'apercu prend toute la place disponible. */
    padding: 0;
}

.photo-viewer .pv-stage img {
    /* La plupart des sources font 600 px de large. Sans agrandissement elles
       flotteraient au centre d un ecran noir : on remplit la scene, le rapport
       etant preserve par object-fit. */
    width: 100%;
    height: 100%;
    object-fit: contain;
    box-shadow: 0 20px 50px rgba(0, 0, 0, .7);
    /* Le zoom a la molette ecrit ici. Origine centree : c est ce que suppose
       le calcul qui garde le point vise sous le curseur. */
    transform-origin: center center;
    will-change: transform;
    touch-action: none;
}

.photo-viewer .pv-stage img.zoomed {
    cursor: grab;
    border-radius: 0;
}

.photo-viewer .pv-stage img.zoomed:active {
    cursor: grabbing;
}

/* Zoomee, l image deborde la scene : on ne veut pas qu elle passe par dessus
   la barre ni les fleches. */
.photo-viewer .pv-stage {
    overflow: hidden;
    /* Le navigateur ne doit pas s approprier le pincement ni le glissement :
       la visionneuse les traite elle meme, sans quoi la page zoomerait
       derriere et l apercu se fermerait. */
    touch-action: none;
}

/* Les bandes laterales font defiler, le centre ferme : le curseur l annonce. */
.photo-viewer .pv-stage img {
    cursor: zoom-out;
}

.photo-viewer .pv-stage img.zoomed {
    cursor: grab;
}

.photo-viewer .pv-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, .14);
    background: rgba(10, 12, 15, .75);
    color: #e6e6e6;
    font-size: 1rem;
    cursor: pointer;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: background .18s ease, border-color .18s ease;
}

.photo-viewer .pv-nav:hover {
    background: rgba(10, 255, 71, .16);
    border-color: var(--neon-green);
}

.photo-viewer .pv-prev {
    left: max(10px, env(safe-area-inset-left));
}

.photo-viewer .pv-next {
    right: max(10px, env(safe-area-inset-right));
}

/* --- MOBILE --- */
@media (max-width: 900px) {
    #photos-view .photo-columns {
        column-count: 3;
    }
}

@media (max-width: 768px) {
    #photos-view .photos-wrap {
        padding: 1.5rem .5rem 4rem;
    }

    #photos-view .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(108px, 1fr));
        gap: 2px;
    }

    #photos-view .photo-columns {
        column-count: 2;
        column-gap: 8px;
    }

    #photos-view .photo-columns .shot {
        margin-bottom: 8px;
    }

    #photos-view .photos-toolbar {
        padding: 0 .5rem;
    }

    /* La liste flottante devient une feuille du bas : plus facile a viser au
       pouce, et elle ne deborde pas d'un ecran etroit. */
    #photos-view .album-picker {
        width: 100%;
    }

    #photos-view .album-trigger {
        flex: 1 1 auto;
        justify-content: center;
    }

    #photos-view .album-sheet {
        position: fixed;
        top: auto;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 3500;
        min-width: 0;
        max-height: 70vh;
        border-radius: 18px 18px 0 0;
        border-bottom: none;
        /* Collee aux quatre bords : en paysage, l encoche laterale mangerait
           le bord des options sans ces retraits. */
        padding: 8px max(10px, env(safe-area-inset-right))
            calc(14px + env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
        animation: albumUp .22s cubic-bezier(.22, .61, .36, 1) both;
    }

    @keyframes albumUp {
        from {
            transform: translateY(100%);
        }

        to {
            transform: none;
        }
    }

    #photos-view .album-sheet-head {
        display: block;
        padding: 10px 12px 12px;
        font-family: var(--code-font);
        font-size: .64rem;
        letter-spacing: 3px;
        text-transform: uppercase;
        color: #6e7681;
        border-bottom: 1px solid rgba(255, 255, 255, .07);
        margin-bottom: 6px;
    }

    #photos-view .album-option {
        padding: 14px 12px;
        font-size: .8rem;
    }


    #photos-view .tag {
        font-size: .64rem;
        padding: 7px 11px;
    }

    /* Le survol n existe pas au doigt, le voile ne servirait a rien. */
    #photos-view .shot-veil {
        display: none;
    }

    .photo-viewer .pv-counter {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {

    #photos-view .shot,
    .photo-viewer.open {
        animation: none;
    }

    #photos-view .shot img {
        transition: none;
    }
}