/* =====================================================================
   DISTRICT 604 — Système de design
   Version 1.0
   ---------------------------------------------------------------------
   Identité : arène e-sport, fond noir, structures chrome/argent,
   énergie orange feu (alignée sur le logo officiel).
   Ce fichier définit les variables, la base et les composants réutilisés
   par toutes les interfaces (accueil, joueur, écran central, admin).
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Saira+Condensed:wght@500;600;700;800;900&family=Rajdhani:wght@500;600;700&family=Barlow:wght@400;500;600&display=swap');

/* ---------------------------------------------------------------------
   1. VARIABLES (jetons de design)
   --------------------------------------------------------------------- */
:root {
    /* — Noirs & surfaces — */
    --ink-900: #06070a;   /* fond le plus profond */
    --ink-850: #0a0c10;
    --ink-800: #0f1217;
    --ink-700: #161a21;   /* surface de carte */
    --ink-600: #1e232c;
    --ink-500: #2a303b;   /* bordures, éléments surélevés */

    /* — Chrome / argent — */
    --chrome-50:  #f6f8fa;  /* reflet le plus clair */
    --chrome-200: #d7dce2;
    --chrome-400: #aab1bc;
    --chrome-600: #767e8a;  /* argent moyen */
    --chrome-800: #474d57;  /* argent sombre */

    /* — Feu / orange (couleur d'énergie) — */
    --fire-300: #ff9a52;
    --fire-400: #ff7a2e;
    --fire-500: #ff5a1f;   /* orange principal du logo */
    --fire-600: #ed4810;
    --fire-700: #c0380a;
    --fire-glow: rgba(255, 90, 31, .45);

    /* — Or (réservé à la révélation du champion) — */
    --gold-400: #ffd166;
    --gold-500: #f5b833;

    /* — Sémantique de jeu — */
    --good-500: #2fd47a;   /* bonne réponse */
    --good-glow: rgba(47, 212, 122, .4);
    --bad-500:  #ff3b4e;   /* mauvaise réponse */
    --bad-glow: rgba(255, 59, 78, .4);

    /* — Texte — */
    --text-strong: #f3f5f8;
    --text:        #c4cad3;
    --text-muted:  #79808c;

    /* — Dégradés — */
    --grad-chrome: linear-gradient(180deg, var(--chrome-50) 0%, var(--chrome-400) 42%, var(--chrome-800) 58%, var(--chrome-200) 100%);
    --grad-fire:   linear-gradient(135deg, var(--fire-400) 0%, var(--fire-600) 100%);
    --grad-gold:   linear-gradient(180deg, #fff1c2 0%, var(--gold-400) 45%, var(--gold-500) 60%, #b9821a 100%);
    --grad-surface:linear-gradient(160deg, var(--ink-700) 0%, var(--ink-850) 100%);

    /* — Rayons — */
    --r-sm: 8px;
    --r-md: 14px;
    --r-lg: 22px;
    --r-pill: 999px;

    /* — Ombres & lueurs — */
    --shadow-card: 0 18px 40px -18px rgba(0, 0, 0, .9), 0 2px 0 rgba(255, 255, 255, .03) inset;
    --shadow-deep: 0 40px 80px -30px rgba(0, 0, 0, .95);
    --glow-fire:   0 0 28px var(--fire-glow);

    /* — Transitions — */
    --ease: cubic-bezier(.2, .7, .2, 1);
    --t-fast: .18s var(--ease);
    --t-mid:  .35s var(--ease);

    /* — Typographie — */
    --font-display: 'Saira Condensed', 'Arial Narrow', sans-serif;
    --font-ui:      'Rajdhani', sans-serif;
    --font-body:    'Barlow', system-ui, sans-serif;
}

/* ---------------------------------------------------------------------
   2. BASE / RESET
   --------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    color: var(--text);
    background-color: var(--ink-900);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
}

/* Atmosphère de fond : halos de feu diffus + grain subtil */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(60vw 60vw at 18% -10%, rgba(255, 90, 31, .12), transparent 60%),
        radial-gradient(50vw 50vw at 100% 110%, rgba(255, 90, 31, .10), transparent 55%),
        radial-gradient(40vw 40vw at 50% 40%, rgba(120, 130, 150, .06), transparent 60%),
        var(--ink-900);
}
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: .035;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--text-strong);
    letter-spacing: .02em;
    line-height: 1.04;
    text-transform: uppercase;
}

a { color: var(--fire-400); text-decoration: none; }

::selection { background: var(--fire-500); color: #fff; }

/* ---------------------------------------------------------------------
   3. MISE EN PAGE
   --------------------------------------------------------------------- */
.d6-container {
    width: 100%;
    max-width: 1080px;
    margin-inline: auto;
    padding-inline: clamp(16px, 4vw, 40px);
}
.d6-stack > * + * { margin-top: var(--gap, 1rem); }

/* ---------------------------------------------------------------------
   4. EFFETS DE TEXTE (signature visuelle)
   --------------------------------------------------------------------- */
/* Texte chrome métallique (titres) */
.d6-chrome {
    font-family: var(--font-display);
    font-weight: 800;
    text-transform: uppercase;
    background: var(--grad-chrome);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 0 rgba(0, 0, 0, .55)) drop-shadow(0 0 1px rgba(255, 255, 255, .25));
    letter-spacing: .015em;
}
/* Texte feu (accents) */
.d6-fire {
    font-family: var(--font-display);
    font-weight: 800;
    text-transform: uppercase;
    background: var(--grad-fire);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 18px var(--fire-glow));
}
/* Texte or (champion) */
.d6-gold {
    background: var(--grad-gold);
    -webkit-background-clip: text; background-clip: text;
    color: transparent; -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 22px rgba(245, 184, 51, .5));
}

/* ---------------------------------------------------------------------
   5. SURFACES : cartes & panneaux
   --------------------------------------------------------------------- */
.d6-card {
    background: var(--grad-surface);
    border: 1px solid var(--ink-500);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-card);
    padding: clamp(18px, 3vw, 28px);
    position: relative;
    overflow: hidden;
}
/* Liseré chrome supérieur (détail premium) */
.d6-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .35), transparent);
}
.d6-card--fire { border-color: rgba(255, 90, 31, .4); box-shadow: var(--shadow-card), var(--glow-fire); }

/* ---------------------------------------------------------------------
   6. BOUTONS
   --------------------------------------------------------------------- */
.d6-btn {
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--text-strong);
    background: var(--ink-700);
    border: 1px solid var(--ink-500);
    border-radius: var(--r-md);
    padding: .85em 1.6em;
    cursor: pointer;
    transition: transform var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast), background var(--t-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5em;
    user-select: none;
}
.d6-btn:hover { transform: translateY(-2px); border-color: var(--chrome-600); }
.d6-btn:active { transform: translateY(0); }
.d6-btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

/* Bouton principal (feu) */
.d6-btn--fire {
    background: var(--grad-fire);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 8px 24px -8px var(--fire-glow);
}
.d6-btn--fire:hover { box-shadow: 0 12px 30px -8px var(--fire-glow), var(--glow-fire); }

/* Bouton fantôme */
.d6-btn--ghost { background: transparent; border-color: var(--ink-500); color: var(--text); }

/* Bouton large pleine largeur (mobile) */
.d6-btn--block { width: 100%; }

/* ---------------------------------------------------------------------
   7. CHAMPS DE FORMULAIRE
   --------------------------------------------------------------------- */
.d6-input, .d6-select, .d6-textarea {
    width: 100%;
    font-family: var(--font-ui);
    font-size: 1.1rem;
    color: var(--text-strong);
    background: var(--ink-850);
    border: 1px solid var(--ink-500);
    border-radius: var(--r-md);
    padding: .8em 1em;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.d6-input::placeholder { color: var(--text-muted); }
.d6-input:focus, .d6-select:focus, .d6-textarea:focus {
    outline: none;
    border-color: var(--fire-500);
    box-shadow: 0 0 0 3px rgba(255, 90, 31, .18);
}
.d6-label {
    font-family: var(--font-ui);
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    font-size: .85rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: .4em;
}

/* ---------------------------------------------------------------------
   8. BADGE DE TITRE (Recrue, Challenger, Champion…)
   --------------------------------------------------------------------- */
.d6-title-badge {
    display: inline-flex;
    align-items: center;
    gap: .5em;
    font-family: var(--font-ui);
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
    font-size: .85rem;
    color: var(--fire-300);
    background: rgba(255, 90, 31, .1);
    border: 1px solid rgba(255, 90, 31, .35);
    padding: .35em .9em;
    border-radius: var(--r-pill);
}

/* ---------------------------------------------------------------------
   9. BARRE DE PUISSANCE (score / progression)
   --------------------------------------------------------------------- */
.d6-power {
    height: 12px;
    width: 100%;
    background: var(--ink-850);
    border: 1px solid var(--ink-500);
    border-radius: var(--r-pill);
    overflow: hidden;
    position: relative;
}
.d6-power__fill {
    height: 100%;
    width: 0%;
    border-radius: var(--r-pill);
    background: var(--grad-fire);
    box-shadow: 0 0 16px var(--fire-glow);
    transition: width .7s var(--ease);
}

/* ---------------------------------------------------------------------
   10. AFFICHAGE DE STAT / GRAND NOMBRE
   --------------------------------------------------------------------- */
.d6-stat { text-align: center; }
.d6-stat__value {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2.2rem, 6vw, 4rem);
    line-height: 1;
    color: var(--text-strong);
    font-variant-numeric: tabular-nums;
}
.d6-stat__label {
    font-family: var(--font-ui);
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    font-size: .8rem;
    color: var(--text-muted);
    margin-top: .3em;
}

/* ---------------------------------------------------------------------
   11. RANGÉE DE CLASSEMENT
   --------------------------------------------------------------------- */
.d6-rank-row {
    display: grid;
    grid-template-columns: 48px 1fr auto;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    background: var(--ink-700);
    border: 1px solid var(--ink-500);
    border-radius: var(--r-md);
    transition: transform var(--t-mid), box-shadow var(--t-mid), border-color var(--t-mid);
}
.d6-rank-row__pos {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.5rem;
    text-align: center;
    color: var(--chrome-400);
}
.d6-rank-row__name { font-family: var(--font-ui); font-weight: 600; font-size: 1.15rem; color: var(--text-strong); }
.d6-rank-row__score { font-family: var(--font-display); font-weight: 800; font-size: 1.4rem; color: var(--fire-400); font-variant-numeric: tabular-nums; }
/* Podium */
.d6-rank-row--1 { border-color: var(--gold-500); box-shadow: 0 0 26px rgba(245, 184, 51, .25); }
.d6-rank-row--1 .d6-rank-row__pos { color: var(--gold-400); }
.d6-rank-row--2 { border-color: var(--chrome-400); }
.d6-rank-row--3 { border-color: var(--fire-700); }

/* ---------------------------------------------------------------------
   12. ANIMATIONS (clés réutilisables)
   --------------------------------------------------------------------- */
@keyframes d6-rise   { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes d6-pop    { 0% { transform: scale(.8); opacity: 0; } 60% { transform: scale(1.06); } 100% { transform: scale(1); opacity: 1; } }
@keyframes d6-pulse  { 0%, 100% { box-shadow: 0 0 0 0 var(--fire-glow); } 50% { box-shadow: 0 0 26px 4px var(--fire-glow); } }
@keyframes d6-shine  { 0% { background-position: -150% 0; } 100% { background-position: 250% 0; } }
@keyframes d6-float  { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

.d6-anim-rise  { animation: d6-rise   .5s var(--ease) both; }
.d6-anim-pop   { animation: d6-pop    .5s var(--ease) both; }
.d6-anim-pulse { animation: d6-pulse  1.8s ease-in-out infinite; }
.d6-anim-float { animation: d6-float  4s ease-in-out infinite; }

/* Reflet chrome qui balaie (titres, bandeaux) */
.d6-shine {
    position: relative;
    overflow: hidden;
}
.d6-shine::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, .35) 50%, transparent 60%);
    background-size: 250% 100%;
    animation: d6-shine 4.5s ease-in-out infinite;
    pointer-events: none;
}

/* ---------------------------------------------------------------------
   13. UTILITAIRES
   --------------------------------------------------------------------- */
.d6-center      { text-align: center; }
.d6-muted       { color: var(--text-muted); }
.d6-fire-color  { color: var(--fire-400); }
.d6-glow-fire   { box-shadow: var(--glow-fire); }
.d6-hidden      { display: none !important; }
.d6-logo        { display: block; max-width: 100%; height: auto; }
.d6-uppercase   { text-transform: uppercase; letter-spacing: .08em; }

/* Respecte la préférence « animations réduites » */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}