/* =========================================================================
   Forum Iluzion — interface "terminal"
   Ambiance : CRT phosphore, grille, scanlines, néon.
     vert #00ff9c · cyan #35e0ff · ambre #ffb020 · rouge #ff3b52
   Espace Membres  -> accent vert  (niveau 1)
   Espace Spécial  -> accent ambre (niveau 0, classifié)
   ========================================================================= */

:root {
    --bg:        #04070a;
    --bg-soft:   #080d13;
    --panel:     #0a1017;
    --panel-2:   #0d141d;
    --line:      #16222e;
    --neon:      #00ff9c;
    --neon-dim:  #0e6b4a;
    --cyan:      #35e0ff;
    --amber:     #ffb020;
    --amber-dim: #6b4a12;
    --red:       #ff3b52;
    --text:      #b9ccc4;
    --text-hi:   #e6fff5;
    --muted:     #5d7268;
    --accent:     var(--neon);
    --accent-dim: var(--neon-dim);
    --mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular,
            "SF Mono", Consolas, "Liberation Mono", monospace;
    --radius: 4px;
}

* { box-sizing: border-box; }

html { scrollbar-color: var(--neon-dim) var(--bg); }

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--mono);
    font-size: 14px;
    line-height: 1.65;
    color: var(--text);
    background-color: var(--bg);
    background-image:
        radial-gradient(ellipse 80% 55% at 50% -10%, rgba(0,255,156,0.10), transparent 60%),
        linear-gradient(rgba(0,255,156,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,255,156,0.03) 1px, transparent 1px);
    background-size: 100% 100%, 44px 44px, 44px 44px;
    background-attachment: fixed;
    overflow-x: hidden;
}

/* Scanlines + vignette CRT, purement décoratives */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    background:
        repeating-linear-gradient(
            to bottom,
            rgba(0,0,0,0) 0px,
            rgba(0,0,0,0) 2px,
            rgba(0,0,0,0.22) 3px,
            rgba(0,0,0,0.22) 4px
        ),
        radial-gradient(ellipse 90% 70% at 50% 50%, transparent 55%, rgba(0,0,0,0.55));
    mix-blend-mode: multiply;
    animation: flicker 5.5s infinite steps(60);
}

@keyframes flicker {
    0%, 96%, 100% { opacity: 1; }
    97%           { opacity: 0.82; }
    98%           { opacity: 1; }
    99%           { opacity: 0.9; }
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--text-hi); text-decoration: none; }

::selection { background: var(--accent); color: #02120c; }

/* ------------------------------------------------------------------ */
/*  En-tête                                                            */
/* ------------------------------------------------------------------ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(4,7,10,0.92);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 1px 0 rgba(0,255,156,0.18), 0 12px 40px rgba(0,0,0,0.6);
    backdrop-filter: blur(6px);
}
.site-header .bar {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}
.brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--text-hi);
    font-weight: 700;
    font-size: 1.02rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.brand .logo {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    color: var(--neon);
    background: rgba(0,255,156,0.07);
    border: 1px solid var(--neon-dim);
    border-radius: var(--radius);
    font-weight: 800;
    text-shadow: 0 0 10px rgba(0,255,156,0.8);
}
.brand .logo img { width: 28px; height: 28px; border-radius: 2px; object-fit: cover; }
.brand .dim { color: var(--muted); font-weight: 400; letter-spacing: 1px; }

.nav { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.nav a {
    color: var(--muted);
    padding: 0.28rem 0.6rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 0.82rem;
    letter-spacing: 0.6px;
    transition: color 0.12s, border-color 0.12s, background 0.12s;
}
.nav a::before { content: "/"; color: var(--line); margin-right: 0.35rem; }
.nav a:hover {
    color: var(--neon);
    border-color: var(--neon-dim);
    background: rgba(0,255,156,0.06);
}
.nav a.danger:hover {
    color: var(--red);
    border-color: rgba(255,59,82,0.4);
    background: rgba(255,59,82,0.06);
}

/* Voyant de session */
.session-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.72rem;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0.2rem 0.55rem;
    background: var(--panel);
}
.session-tag .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--muted);
    box-shadow: 0 0 8px currentColor;
}
.session-tag.on { color: var(--neon); border-color: var(--neon-dim); }
.session-tag.on .dot { background: var(--neon); animation: pulse 1.8s ease-in-out infinite; }
.session-tag.hot { color: var(--amber); border-color: var(--amber-dim); }
.session-tag.hot .dot { background: var(--amber); animation: pulse 1.1s ease-in-out infinite; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }

/* ------------------------------------------------------------------ */
/*  Structure                                                          */
/* ------------------------------------------------------------------ */
main {
    max-width: 1040px;
    margin: 2.2rem auto 3rem;
    padding: 0 1.5rem;
}

/* Fenêtre de terminal générique */
.term {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 0 0 1px rgba(0,0,0,0.5), 0 18px 50px rgba(0,0,0,0.55);
    overflow: hidden;
}
.term-head {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.8rem;
    background: var(--panel-2);
    border-bottom: 1px solid var(--line);
    font-size: 0.76rem;
    color: var(--muted);
    letter-spacing: 0.8px;
}
.term-head .dots { display: flex; gap: 0.35rem; }
.term-head .dots i {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    display: block;
    background: #1d2a35;
}
.term-head .dots i:nth-child(1) { background: #d64550; }
.term-head .dots i:nth-child(2) { background: #d6a13f; }
.term-head .dots i:nth-child(3) { background: #3fa66b; }
.term-head .path { color: var(--accent); }
.term-body { padding: 1.6rem; }

/* Curseur clignotant */
.caret {
    display: inline-block;
    width: 8px;
    height: 1em;
    background: var(--accent);
    vertical-align: -2px;
    margin-left: 2px;
    animation: blink 1.05s steps(2) infinite;
    box-shadow: 0 0 10px var(--accent);
}
@keyframes blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

/* ------------------------------------------------------------------ */
/*  Accueil                                                            */
/* ------------------------------------------------------------------ */
.boot {
    font-size: 0.82rem;
    color: var(--muted);
    margin: 0 0 1.6rem;
    min-height: 6.4em;
}
.boot ul { margin: 0; padding: 0; }
.boot li { list-style: none; }
.boot .ok { color: var(--neon); }
.boot .warn { color: var(--amber); }
.boot .err { color: var(--red); }

.hero h1 {
    margin: 0 0 0.8rem;
    font-size: clamp(1.5rem, 4.2vw, 2.5rem);
    line-height: 1.15;
    color: var(--text-hi);
    letter-spacing: -0.5px;
    text-shadow: 0 0 18px rgba(0,255,156,0.35);
}
.hero p { color: var(--text); max-width: 68ch; margin: 0; }
.hero .lede { color: var(--muted); }

/* Titre à effet glitch */
.glitch { position: relative; display: inline-block; }
.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    pointer-events: none;
}
.glitch::before {
    color: var(--cyan);
    transform: translate(-2px, -1px);
    clip-path: inset(0 0 62% 0);
    animation: glitch-a 3.4s infinite steps(2);
    opacity: 0.65;
}
.glitch::after {
    color: var(--red);
    transform: translate(2px, 1px);
    clip-path: inset(58% 0 0 0);
    animation: glitch-b 2.7s infinite steps(2);
    opacity: 0.55;
}
@keyframes glitch-a {
    0%, 88%, 100% { transform: translate(-2px, -1px); }
    90%           { transform: translate(3px, 1px); }
    93%           { transform: translate(-4px, 0); }
}
@keyframes glitch-b {
    0%, 91%, 100% { transform: translate(2px, 1px); }
    92%           { transform: translate(-3px, -2px); }
    96%           { transform: translate(4px, 0); }
}

/* Cartes d'accès */
.spaces {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.2rem;
    margin-top: 1.6rem;
}
.space-card {
    position: relative;
    background: var(--panel);
    border: 1px solid var(--line);
    border-top: 2px solid var(--neon-dim);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    overflow: hidden;
    transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
}
.space-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(600px 120px at 50% 0%, rgba(0,255,156,0.10), transparent 70%);
    opacity: 0;
    transition: opacity 0.25s;
    pointer-events: none;
}
.space-card:hover {
    transform: translateY(-2px);
    border-color: var(--neon-dim);
    box-shadow: 0 14px 40px rgba(0,0,0,0.5);
}
.space-card:hover::after { opacity: 1; }
.space-card.special { border-top-color: var(--amber-dim); }
.space-card.special::after {
    background: radial-gradient(600px 120px at 50% 0%, rgba(255,176,32,0.12), transparent 70%);
}
.space-card.special:hover { border-color: var(--amber-dim); }
.space-card h2 {
    margin: 0;
    font-size: 1.05rem;
    color: var(--text-hi);
    letter-spacing: 0.5px;
}
.space-card p { color: var(--muted); font-size: 0.86rem; margin: 0; flex: 1; }
.space-card .meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    font-size: 0.72rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--muted);
}

/* ------------------------------------------------------------------ */
/*  Badges et boutons                                                  */
/* ------------------------------------------------------------------ */
.badge {
    display: inline-block;
    padding: 0.12rem 0.5rem;
    border: 1px solid var(--neon-dim);
    border-radius: var(--radius);
    background: rgba(0,255,156,0.08);
    color: var(--neon);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    vertical-align: middle;
}
.badge.or {
    border-color: var(--amber-dim);
    background: rgba(255,176,32,0.09);
    color: var(--amber);
}
.badge.red {
    border-color: rgba(255,59,82,0.45);
    background: rgba(255,59,82,0.10);
    color: var(--red);
}

.btn {
    position: relative;
    display: inline-block;
    padding: 0.62rem 1.15rem;
    background: rgba(0,255,156,0.07);
    border: 1px solid var(--neon-dim);
    border-radius: var(--radius);
    color: var(--neon);
    font-family: var(--mono);
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    cursor: pointer;
    overflow: hidden;
    transition: background 0.15s, box-shadow 0.15s, color 0.15s;
}
.btn::before { content: "> "; opacity: 0.65; }
.btn:hover {
    background: rgba(0,255,156,0.16);
    color: var(--text-hi);
    box-shadow: 0 0 0 1px var(--neon-dim), 0 0 22px rgba(0,255,156,0.25);
}
.btn:active { transform: translateY(1px); }
.btn.or {
    background: rgba(255,176,32,0.08);
    border-color: var(--amber-dim);
    color: var(--amber);
}
.btn.or:hover {
    background: rgba(255,176,32,0.18);
    box-shadow: 0 0 0 1px var(--amber-dim), 0 0 22px rgba(255,176,32,0.25);
}
.btn.ghost { background: transparent; border-color: var(--line); color: var(--muted); }
.btn.ghost:hover {
    color: var(--red);
    border-color: rgba(255,59,82,0.45);
    background: rgba(255,59,82,0.06);
    box-shadow: none;
}
.btn-block { display: block; width: 100%; text-align: center; }

/* ------------------------------------------------------------------ */
/*  Authentification                                                   */
/* ------------------------------------------------------------------ */
.auth-box { max-width: 520px; margin: 1rem auto 0; }
.auth-box h1 {
    margin: 0 0 0.2rem;
    font-size: 1.15rem;
    color: var(--text-hi);
    letter-spacing: 0.5px;
}
.auth-box .subtitle { color: var(--muted); font-size: 0.82rem; margin: 0 0 1.4rem; }
.auth-box.special { --accent: var(--amber); --accent-dim: var(--amber-dim); }
.auth-box.special .term { border-color: var(--amber-dim); }

.field { margin-bottom: 1.1rem; }
.field label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.78rem;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--muted);
}
.field label::before { content: "> "; color: var(--accent); }
.field input {
    width: 100%;
    padding: 0.7rem 0.85rem;
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--text-hi);
    font-family: var(--mono);
    font-size: 0.95rem;
    letter-spacing: 2px;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.field input::placeholder { color: #33443c; letter-spacing: 1px; }
.field input:focus {
    outline: none;
    border-color: var(--accent-dim);
    box-shadow: 0 0 0 1px var(--accent-dim), 0 0 18px rgba(0,255,156,0.12);
}

.error {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,59,82,0.08);
    border: 1px solid rgba(255,59,82,0.4);
    border-left: 3px solid var(--red);
    border-radius: var(--radius);
    color: #ff8b98;
    font-size: 0.82rem;
    letter-spacing: 0.6px;
    padding: 0.6rem 0.8rem;
    margin-bottom: 1.1rem;
    animation: shake 0.35s;
}
.error strong { color: var(--red); letter-spacing: 1.4px; }
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25%      { transform: translateX(-4px); }
    75%      { transform: translateX(4px); }
}

.hint {
    margin: 1.2rem 0 0;
    padding-top: 0.9rem;
    border-top: 1px dashed var(--line);
    color: var(--muted);
    font-size: 0.74rem;
    line-height: 1.7;
}

/* ------------------------------------------------------------------ */
/*  Fil de discussion                                                  */
/* ------------------------------------------------------------------ */
.forum-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.8rem;
    padding-bottom: 1rem;
    margin-bottom: 1.4rem;
    border-bottom: 1px solid var(--line);
}
.forum-head h1 { margin: 0; font-size: 1.15rem; color: var(--text-hi); letter-spacing: 0.5px; }
.forum-head .channel { color: var(--neon); }
.forum-head .count { color: var(--muted); font-size: 0.78rem; letter-spacing: 1px; }

.thread { display: flex; flex-direction: column; gap: 0.9rem; }

.message {
    position: relative;
    background: var(--panel);
    border: 1px solid var(--line);
    border-left: 2px solid var(--neon-dim);
    border-radius: var(--radius);
    padding: 0.95rem 1.1rem;
    transition: border-color 0.15s, background 0.15s;
}
.message:hover { border-left-color: var(--neon); background: var(--panel-2); }
.message.special { border-left-color: var(--amber-dim); }
.message.special:hover { border-left-color: var(--amber); }

.message .meta {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.5rem;
    padding-bottom: 0.45rem;
    border-bottom: 1px dashed var(--line);
    font-size: 0.76rem;
}
.message .author { color: var(--neon); font-weight: 700; letter-spacing: 0.6px; }
.message .author::before { content: "@"; opacity: 0.55; }
.message.special .author { color: var(--amber); }
.message .date { color: var(--muted); white-space: nowrap; letter-spacing: 0.5px; }
.message .content { color: var(--text); white-space: pre-wrap; font-size: 0.9rem; line-height: 1.75; }

/* Pièce jointe image */
.message .attachment { margin: 0.9rem 0 0; }
.message .attachment a {
    display: inline-block;
    line-height: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 4px;
    background: var(--bg-soft);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.message .attachment a:hover {
    border-color: var(--neon-dim);
    box-shadow: 0 0 22px rgba(0,255,156,0.18);
}
.message.special .attachment a:hover {
    border-color: var(--amber-dim);
    box-shadow: 0 0 22px rgba(255,176,32,0.18);
}
.message .attachment img {
    max-width: 100%;
    max-height: 420px;
    height: auto;
    display: block;
    border-radius: 2px;
    filter: saturate(0.92) contrast(1.05);
}
.message .attachment figcaption {
    margin-top: 0.5rem;
    color: var(--muted);
    font-size: 0.74rem;
    letter-spacing: 0.4px;
}
.message .attachment figcaption::before {
    content: "attachment: ";
    color: var(--neon);
    opacity: 0.7;
}
.message.special .attachment figcaption::before { color: var(--amber); }

.empty {
    color: var(--muted);
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    padding: 1.6rem;
    text-align: center;
    font-size: 0.85rem;
}

/* Bandeau classifié de l'espace spécial */
.classified {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 1.4rem;
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--amber-dim);
    border-radius: var(--radius);
    background: repeating-linear-gradient(
        45deg,
        rgba(255,176,32,0.05) 0px,
        rgba(255,176,32,0.05) 10px,
        transparent 10px,
        transparent 20px
    );
    color: var(--amber);
    font-size: 0.74rem;
    letter-spacing: 1.6px;
    text-transform: uppercase;
}

/* ------------------------------------------------------------------ */
/*  Pied de page                                                       */
/* ------------------------------------------------------------------ */
footer {
    max-width: 1040px;
    margin: 0 auto;
    padding: 1.6rem 1.5rem 3rem;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}
footer .prompt { color: var(--neon-dim); }

/* ------------------------------------------------------------------ */
/*  Confort de lecture                                                 */
/* ------------------------------------------------------------------ */
@media (max-width: 640px) {
    .term-body { padding: 1.1rem; }
    .site-header .bar { padding: 0.7rem 1rem; }
    main { padding: 0 1rem; margin-top: 1.4rem; }
    .message .meta { flex-direction: column; gap: 0.2rem; }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}