/*
   ZEUS — Personal System.
   Styles complémentaires au CSS commun templatemo-axis-industrial.css.
*/

/* ============================================================
   ÉLÉMENTS PARTAGÉS
   ============================================================ */
.section__subtitle {
    font-size: var(--fs-data);
    line-height: 1.8;
    opacity: 0.5;
    max-width: 460px;
    margin-top: 1.2rem;
}

.z-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--term-green);
    border: 2px solid var(--term-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

.z-dot--amber { background: var(--term-amber); border-color: var(--term-amber); }
.z-dot--muted { background: transparent; border-color: rgba(0,0,0,0.35); animation: none; }
.z-proj--dark .z-dot--muted,
.z-tool--dark .z-dot--muted { border-color: rgba(255,255,255,0.35); }

/* ============================================================
   HERO
   ============================================================ */
.z-hero {
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: calc(var(--header-h) + 2rem) clamp(1rem, 4vw, 4rem) clamp(3rem, 6vw, 5rem);
    position: relative;
    overflow: hidden;
    border-bottom: var(--border);
}

.z-hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

/* Réticule technique */
.z-hero__cross {
    position: absolute;
    top: 22%;
    right: 12%;
    width: 120px;
    height: 120px;
    pointer-events: none;
    opacity: 0.35;
}

.z-hero__cross::before,
.z-hero__cross::after {
    content: '';
    position: absolute;
    background: var(--safety);
}

.z-hero__cross::before {
    left: 50%; top: 0; width: 2px; height: 100%;
    transform: translateX(-50%);
}

.z-hero__cross::after {
    top: 50%; left: 0; height: 2px; width: 100%;
    transform: translateY(-50%);
}

.z-hero__cross {
    background: radial-gradient(circle, transparent 0 44%, var(--safety) 44% 46%, transparent 46% 100%);
}

/* Grand numéro graphique */
.z-hero__index {
    position: absolute;
    top: calc(var(--header-h) + 2rem);
    left: clamp(1rem, 4vw, 4rem);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(4rem, 12vw, 10rem);
    line-height: 1;
    letter-spacing: -0.05em;
    opacity: 0.06;
    pointer-events: none;
}

.z-hero__label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--safety);
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    position: relative;
    z-index: 1;
}

.z-hero__label::before {
    content: '';
    width: 30px;
    height: 1px;
    background: var(--safety);
}

.z-hero__title {
    font-size: clamp(5rem, 22vw, 19rem);
    line-height: 0.8;
    letter-spacing: -0.05em;
    position: relative;
    z-index: 1;
    margin-bottom: 1.5rem;
    animation: heroRotate linear both;
    animation-timeline: scroll();
    animation-range: 0vh 55vh;
}

.z-hero__title .accent-dot { color: var(--safety); }

.z-hero__sub {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(0.95rem, 2vw, 1.6rem);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    position: relative;
    z-index: 1;
    margin-bottom: 3rem;
}

/* Cellules d'information */
.z-hero__cells {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: var(--border);
    box-shadow: var(--shadow);
    background: var(--base);
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.z-cell {
    padding: 1rem 1.4rem;
    border-right: var(--border-thin);
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    transition: none;
}

.z-cell:last-child { border-right: none; }
.z-cell:hover { background: var(--ink); color: var(--base); }

.z-cell--accent { background: var(--safety); color: var(--base); }
.z-cell--accent:hover { background: var(--ink); }

.z-cell__label {
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    opacity: 0.45;
}

.z-cell__value {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(1rem, 1.8vw, 1.4rem);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.z-hero__scroll-cue {
    position: absolute;
    right: clamp(1rem, 2vw, 4rem);
    bottom: clamp(2rem, 4vw, 4rem);
    writing-mode: vertical-rl;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.4;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.z-hero__scroll-cue::after {
    content: '';
    width: 1px;
    height: 50px;
    background: var(--ink);
    animation: scrollPulse 2s ease-in-out infinite;
}

.z-hero__coords {
    position: absolute;
    bottom: clamp(1.5rem, 3vw, 3rem);
    left: clamp(1rem, 4vw, 4rem);
    font-size: 0.6rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.25;
}

/* ============================================================
   PROJECTS — CATALOG
   ============================================================ */
.z-projects {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(240px, auto);
    gap: var(--gap);
}

.z-proj {
    border: var(--border);
    box-shadow: var(--shadow);
    background: var(--base);
    padding: clamp(1.2rem, 2vw, 2rem);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    transition: none;
    position: relative;
    overflow: hidden;
    cursor: default;
}

.z-proj:hover {
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0px var(--ink);
}

.z-proj--wide   { grid-column: span 8; }
.z-proj--mid    { grid-column: span 6; }
.z-proj--narrow { grid-column: span 4; }

.z-proj--dark { background: var(--ink); color: var(--base); box-shadow: var(--shadow-safety); }
.z-proj--dark:hover { box-shadow: 12px 12px 0px var(--safety); }
.z-proj--safety { background: var(--safety); color: var(--base); }
.z-proj--safety:hover { box-shadow: 12px 12px 0px var(--ink); }

.z-proj__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.z-proj__num {
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    opacity: 0.35;
}

.z-proj__status {
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    opacity: 0.8;
}

.z-proj__name {
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 0.9;
}

.z-proj__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 2rem;
    margin-top: auto;
}

.z-proj__meta-item {
    font-size: var(--fs-data);
    line-height: 1.6;
}

.z-proj__meta-label {
    display: block;
    font-size: 0.52rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    opacity: 0.4;
    margin-bottom: 0.15rem;
}

.z-proj__stat {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1;
    letter-spacing: -0.04em;
    margin-top: auto;
}

/* Bloc « image » technique (pas de photos) */
.z-proj__preview {
    position: relative;
    height: 150px;
    border: 2px solid currentColor;
    opacity: 0.85;
    overflow: hidden;
    background:
        linear-gradient(rgba(0,0,0,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.06) 1px, transparent 1px);
    background-size: 24px 24px;
}

.z-proj--dark .z-proj__preview,
.z-proj--safety .z-proj__preview {
    background:
        linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
    background-size: 24px 24px;
}

.z-proj__preview-tag {
    position: absolute;
    top: 0.6rem;
    left: 0.6rem;
    font-size: 0.52rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    opacity: 0.5;
}

.z-proj__preview-id {
    position: absolute;
    bottom: 0.6rem;
    right: 0.6rem;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    opacity: 0.4;
}

.z-proj__preview-corner {
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid var(--safety);
}

.z-proj__preview-corner.tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.z-proj__preview-corner.tr { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.z-proj__preview-corner.bl { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.z-proj__preview-corner.br { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.z-proj__preview-cross {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 46px;
    height: 46px;
    transform: translate(-50%, -50%);
    border: 1px solid currentColor;
    border-radius: 50%;
    opacity: 0.25;
}

.z-proj__preview-cross::before,
.z-proj__preview-cross::after {
    content: '';
    position: absolute;
    background: currentColor;
}

.z-proj__preview-cross::before {
    left: 50%; top: -8px; width: 1px; height: calc(100% + 16px);
}

.z-proj__preview-cross::after {
    top: 50%; left: -8px; height: 1px; width: calc(100% + 16px);
}

.z-proj:hover .z-proj__preview-id,
.z-proj:hover .z-proj__preview-cross { opacity: 0.8; }

/* Sparkline */
.z-spark {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 40px;
    margin-top: auto;
}

.z-spark span {
    flex: 1;
    min-height: 2px;
    background: var(--base);
    opacity: 0.9;
}

/* ============================================================
   TOOLS — MODULES
   ============================================================ */
.z-tools {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border: var(--border);
    box-shadow: var(--shadow);
}

.z-tool {
    padding: clamp(1.2rem, 2vw, 1.8rem);
    border-right: var(--border-thin);
    border-bottom: var(--border-thin);
    background: var(--base);
    display: flex;
    flex-direction: column;
    min-height: 210px;
    transition: none;
    cursor: default;
}

.z-tool:nth-child(4n) { border-right: none; }
.z-tool:nth-last-child(-n+4) { border-bottom: none; }

.z-tool:hover { background: var(--ink); color: var(--base); transform: translate(-4px, -4px); box-shadow: 12px 12px 0px var(--safety); z-index: 2; }

.z-tool--dark { background: var(--ink); color: var(--base); }
.z-tool--dark:hover { background: var(--safety); box-shadow: 12px 12px 0px var(--ink); }

.z-tool__id {
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.3;
    margin-bottom: 1rem;
}

.z-tool__icon {
    width: 34px;
    height: 34px;
    border: 2px solid currentColor;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.z-tool__name {
    font-size: var(--fs-h3);
    margin-bottom: 0.6rem;
    line-height: 0.95;
}

.z-tool__meta {
    display: flex;
    gap: 0.4rem 1rem;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 1rem;
}

.z-tool__meta span {
    font-size: 0.56rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    opacity: 0.45;
}

.z-tool__status {
    margin-top: 0.8rem;
    font-size: 0.56rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    opacity: 0.8;
}

/* ============================================================
   LAB — FICHES EXPÉRIMENTALES
   ============================================================ */
.z-lab {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border: var(--border);
    box-shadow: var(--shadow);
    margin-bottom: var(--gap);
}

.z-exp {
    padding: clamp(1.2rem, 2vw, 1.8rem);
    border-right: var(--border-thin);
    background: var(--base);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 200px;
    transition: none;
    cursor: default;
}

.z-exp:last-child { border-right: none; }
.z-exp:hover { background: var(--ink); color: var(--base); transform: translate(-4px, -4px); box-shadow: 12px 12px 0px var(--safety); z-index: 2; }

.z-exp--dark { background: var(--ink); color: var(--base); }
.z-exp--dark:hover { background: var(--safety); box-shadow: 12px 12px 0px var(--ink); }

.z-exp__top {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    align-items: baseline;
}

.z-exp__id {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    opacity: 0.4;
}

.z-exp__rev {
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--safety);
}

.z-exp__name {
    font-size: var(--fs-h3);
    line-height: 0.95;
}

.z-exp__meta {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.2rem;
    font-size: 0.56rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    opacity: 0.45;
}

.z-exp__status { color: var(--safety); opacity: 1; letter-spacing: 0.1em; }
.z-exp__status--amber { color: var(--term-amber); }
.z-exp__status--muted { color: var(--muted); }
.z-exp:hover .z-exp__status--muted { color: var(--base); }

/* ============================================================
   SYSTEM LOG — base de données
   ============================================================ */
.z-log {
    border: var(--border);
    box-shadow: var(--shadow);
    background: var(--term-bg);
    color: var(--base);
    max-width: 900px;
}

.z-log__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 0.8rem 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.z-log__title {
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--term-green);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.z-log__title::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--term-green);
    animation: pulse 2s ease-in-out infinite;
}

.z-log__meta {
    font-size: 0.55rem;
    letter-spacing: 0.12em;
    opacity: 0.3;
    text-transform: uppercase;
}

.z-log__body {
    padding: 0.6rem 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    max-height: 320px;
    overflow-y: auto;
}

.z-log__list {
    list-style: none;
    display: flex;
    flex-direction: column;
}

.z-log__entry {
    display: grid;
    grid-template-columns: 118px 110px 1fr auto;
    gap: 0.8rem;
    align-items: baseline;
    padding: 0.55rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.68rem;
    line-height: 1.5;
}

.z-log__entry:last-child { border-bottom: none; }
.z-log__entry:hover { background: rgba(255,255,255,0.03); }

.z-log__time { color: rgba(255,255,255,0.18); font-size: 0.56rem; }
.z-log__name { color: var(--safety); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.6rem; }
.z-log__msg { color: rgba(255,255,255,0.65); word-break: break-word; }

.z-log__del {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.52rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: none;
    border: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.4);
    padding: 0.2em 0.6em;
    cursor: pointer;
}

.z-log__del:hover { background: var(--safety); border-color: var(--safety); color: var(--base); }

.z-log__empty {
    padding: 2rem 0;
    text-align: center;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(255,255,255,0.2);
}

.z-log__form {
    display: grid;
    grid-template-columns: 1fr 2fr auto;
    gap: 0.6rem;
    padding: 1rem 1.2rem;
}

.z-log__form input {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    padding: 0.7em 0.9em;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.25);
    color: var(--base);
    outline: none;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.z-log__form input:focus { border-color: var(--term-green); }
.z-log__form input::placeholder { color: rgba(255,255,255,0.25); }

.z-log__form .btn {
    border: 2px solid var(--term-green);
    color: var(--term-green);
    background: transparent;
    box-shadow: none;
    font-size: 0.62rem;
    padding: 0.7em 1.6em;
}

.z-log__form .btn:hover {
    background: var(--term-green);
    color: var(--term-bg);
    transform: none;
    box-shadow: none;
}

.z-log__note {
    padding: 0 1.2rem 0.9rem;
    font-size: 0.6rem;
    line-height: 1.7;
    opacity: 0.35;
}

.z-log__note.err { color: var(--safety); opacity: 1; }

/* ============================================================
   ABOUT — FICHE TECHNIQUE
   ============================================================ */
.z-about {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gap);
    align-items: start;
}

.z-about__identity {
    grid-column: span 5;
    border: var(--border);
    box-shadow: var(--shadow);
    background: var(--base);
}

.z-about__row {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 1rem;
    padding: 1rem 1.4rem;
    border-bottom: var(--border-thin);
}

.z-about__row:last-child { border-bottom: none; }
.z-about__row:hover { background: var(--ink); color: var(--base); }

.z-about__label {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--safety);
    padding-top: 0.2rem;
}

.z-about__value {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.z-about__bio {
    grid-column: span 7;
    padding-top: 0.5rem;
}

.z-about__bio p {
    font-size: var(--fs-data);
    line-height: 1.95;
    opacity: 0.65;
    margin-bottom: 1.2rem;
    max-width: 560px;
}

.z-about__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .z-proj--wide,
    .z-proj--mid,
    .z-proj--narrow { grid-column: span 6; }

    .z-tools { grid-template-columns: repeat(2, 1fr); }
    .z-tool:nth-child(4n) { border-right: var(--border-thin); }
    .z-tool:nth-child(2n) { border-right: none; }
    .z-tool:nth-last-child(-n+4) { border-bottom: var(--border-thin); }
    .z-tool:nth-last-child(-n+2) { border-bottom: none; }

    .z-lab { grid-template-columns: repeat(2, 1fr); }
    .z-exp:nth-child(2n) { border-right: none; }
    .z-exp:nth-child(n+3) { border-top: var(--border-thin); }

    .z-hero__cells { grid-template-columns: repeat(2, 1fr); }
    .z-cell:nth-child(2n) { border-right: none; }
    .z-cell:nth-child(-n+2) { border-bottom: var(--border-thin); }

    .z-about__identity { grid-column: span 12; }
    .z-about__bio { grid-column: span 12; }
}

@media (max-width: 768px) {
    .z-proj--wide,
    .z-proj--mid,
    .z-proj--narrow { grid-column: 1 / -1; }

    .z-hero__cross,
    .z-hero__scroll-cue { display: none; }

    .z-hero__coords { display: none; }

    .z-log__entry { grid-template-columns: 90px 1fr; }
    .z-log__time { display: none; }

    .z-log__form { grid-template-columns: 1fr; }
    .z-log__form .btn { width: 100%; }
}

@media (max-width: 480px) {
    /* FIX (responsive) : sur très petit écran, l'horloge + le bouton LOGIN
       + le menu burger faisaient déborder le header. On masque l'horloge
       (le statut « Online » est déjà masqué à cette taille). */
    .header__clock { display: none; }

    .z-tools { grid-template-columns: 1fr; }
    .z-tool,
    .z-tool:nth-child(4n),
    .z-tool:nth-child(2n) { border-right: none; border-bottom: var(--border-thin); }
    .z-tool:last-child { border-bottom: none; }

    .z-lab { grid-template-columns: 1fr; }
    .z-exp,
    .z-exp:nth-child(2n) { border-right: none; border-bottom: var(--border-thin); }
    .z-exp:last-child { border-bottom: none; }
    .z-exp:nth-child(n+3) { border-top: none; }

    .z-hero__cells { grid-template-columns: 1fr; }
    .z-cell,
    .z-cell:nth-child(2n) { border-right: none; border-bottom: var(--border-thin); }
    .z-cell:last-child { border-bottom: none; }

    .z-about__row { grid-template-columns: 1fr; gap: 0.2rem; }
}

/* ============================================================
   AUTH — IDENTITY GATE
   ============================================================ */
.header__auth {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-size: var(--fs-micro);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.header__auth a {
    border: 1px solid rgba(255,255,255,0.35);
    color: rgba(255,255,255,0.85);
    padding: 0.4em 0.9em;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5em;
    transition: none;
}

.header__auth a:hover {
    background: var(--safety);
    border-color: var(--safety);
    color: var(--base);
}

.header__auth-user {
    color: var(--safety);
    border: 1px solid rgba(255,255,255,0.35);
    padding: 0.4em 0.9em;
}

.header__auth-btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: inherit;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    background: none;
    border: 1px solid rgba(255,255,255,0.35);
    color: rgba(255,255,255,0.85);
    padding: 0.4em 0.9em;
    cursor: pointer;
    transition: none;
}

.header__auth-btn:hover {
    background: var(--safety);
    border-color: var(--safety);
    color: var(--base);
}

.header__auth-tag {
    opacity: 0.55;
    letter-spacing: 0.14em;
}

.z-auth {
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(var(--header-h) + 3rem) clamp(1rem, 5vw, 5rem) 6rem;
    position: relative;
    overflow: hidden;
}

.z-auth__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.z-auth__index {
    position: absolute;
    top: calc(var(--header-h) + 1.5rem);
    right: clamp(1rem, 4vw, 4rem);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(4rem, 10vw, 8rem);
    line-height: 1;
    letter-spacing: -0.05em;
    opacity: 0.06;
    pointer-events: none;
}

.z-auth__layout {
    display: grid;
    grid-template-columns: minmax(0, 520px) minmax(0, 360px);
    gap: var(--gap);
    align-items: start;
    position: relative;
    z-index: 1;
}

.z-auth__label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--safety);
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.z-auth__label::before {
    content: '';
    width: 30px;
    height: 1px;
    background: var(--safety);
}

.z-auth__title {
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 0.85;
    letter-spacing: -0.04em;
    margin-bottom: 2.5rem;
}

.z-auth__title .accent { color: var(--safety); }

.z-auth__tabs {
    display: flex;
    border: var(--border);
    width: fit-content;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.z-auth__tab {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    background: var(--base);
    border: none;
    border-right: var(--border-thin);
    color: var(--ink);
    padding: 0.8em 1.6em;
    cursor: pointer;
    transition: none;
}

.z-auth__tab:last-child { border-right: none; }

.z-auth__tab.active {
    background: var(--ink);
    color: var(--base);
}

.z-auth__tab:hover:not(.active) {
    background: var(--safety);
    color: var(--base);
}

.z-auth__form {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.z-auth__field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.z-auth__field-label {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.45;
}

.z-auth__field input {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    padding: 0.9em 1em;
    background: var(--base);
    border: var(--border);
    box-shadow: var(--shadow);
    color: var(--ink);
    outline: none;
    transition: none;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.z-auth__field input:focus {
    border-color: var(--safety);
    box-shadow: 6px 6px 0px var(--ink);
}

.z-auth__note {
    font-size: 0.66rem;
    line-height: 1.7;
    min-height: 1.2em;
    letter-spacing: 0.06em;
}

.z-auth__note.err { color: var(--safety); }
.z-auth__note.ok { color: var(--term-green); }

.z-auth__submit {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    background: var(--safety);
    border: var(--border);
    box-shadow: var(--shadow);
    color: var(--base);
    padding: 1em 1.6em;
    cursor: pointer;
    transition: none;
    width: fit-content;
}

.z-auth__submit:hover:not(:disabled) {
    background: var(--ink);
    color: var(--base);
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0px var(--safety);
}

.z-auth__submit:disabled {
    opacity: 0.5;
    cursor: wait;
}

.z-auth__hint {
    margin-top: 1.6rem;
    font-size: 0.58rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    opacity: 0.35;
}

/* Panneau latéral — Session */
.z-auth__side {
    border: var(--border);
    box-shadow: var(--shadow);
    background: var(--term-bg);
    color: var(--base);
}

.z-auth__side-head {
    padding: 0.8rem 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--term-green);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.z-auth__side-head::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--term-green);
    animation: pulse 2s ease-in-out infinite;
}

.z-auth__row {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 1rem;
    align-items: baseline;
    padding: 0.8rem 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.z-auth__row span:first-child { opacity: 0.35; }
.z-auth__row span:last-child { display: flex; align-items: center; gap: 0.5rem; }

.z-auth__session-actions {
    display: flex;
    gap: 0.6rem;
    padding: 1rem 1.2rem;
}

.z-auth__btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.58rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    background: none;
    border: 1px solid rgba(255,255,255,0.3);
    color: rgba(255,255,255,0.8);
    padding: 0.7em 1.2em;
    cursor: pointer;
    transition: none;
}

.z-auth__btn:hover { background: rgba(255,255,255,0.1); }

.z-auth__btn--primary {
    background: var(--safety);
    border-color: var(--safety);
    color: var(--base);
}

.z-auth__btn--primary:hover {
    background: var(--base);
    border-color: var(--base);
    color: var(--ink);
}

.z-auth__side-note {
    padding: 1rem 1.2rem 1.2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.6rem;
    line-height: 1.8;
    opacity: 0.5;
}

.z-auth__side-note p { margin-bottom: 0.4rem; }
.z-auth__side-note p:first-child { color: var(--term-green); opacity: 1; letter-spacing: 0.12em; text-transform: uppercase; }

.z-auth__back {
    margin-top: 3rem;
    position: relative;
    z-index: 1;
}

.z-auth__back a {
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    text-decoration: none;
    opacity: 0.5;
    transition: none;
}

.z-auth__back a:hover { color: var(--safety); opacity: 1; }

@media (max-width: 1024px) {
    .z-auth__layout { grid-template-columns: 1fr; max-width: 560px; }
    .z-auth__side { order: -1; }
}

@media (max-width: 480px) {
    .z-auth__tabs { width: 100%; }
    .z-auth__tab { flex: 1; }
    .z-auth__submit { width: 100%; }
    .header__auth-tag { display: none; }
}