/* ─── RESET & TOKENS ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
    --bg:#060606;--card:#0D0D0D;--card2:#131313;
    --acc:#FF3D00;--acc2:#FF6B2B;--green:#00E676;
    --text:#F0F0F0;--t2:#888888;--t3:#3D3D3D;
    --bdr:rgba(255,255,255,.06);--bdr2:rgba(255,255,255,.11);
    --fn:'Barlow Condensed',sans-serif;
    --mono:'DM Mono',monospace;
}

html,body{
    background:var(--bg);color:var(--text);font-family:var(--fn);
    min-height:100vh;-webkit-font-smoothing:antialiased;
    overflow-x:hidden;-ms-overflow-style:none;scrollbar-width:none;
}
::-webkit-scrollbar{display:none}

/* ─── LAYOUT ─── */
.auth-wrap{
    min-height:100vh;display:flex;flex-direction:column;
    align-items:center;justify-content:center;
    padding:32px 20px 48px;position:relative;overflow:hidden;
    width: 100%;
}

/* ─── BACKGROUND DÉCORATIF ─── */
.bg-glow-tl{
    position:fixed;top:-180px;right:-120px;width:520px;height:520px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(255,61,0,.11) 0%,transparent 70%);
    pointer-events:none;z-index:0;
}
.bg-glow-br{
    position:fixed;bottom:-140px;left:-100px;width:420px;height:420px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(255,61,0,.07) 0%,transparent 70%);
    pointer-events:none;z-index:0;
}
.bg-grid{
    position:fixed;inset:0;pointer-events:none;z-index:0;
    background-image:
        linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
    background-size:40px 40px;
}
.bg-accent-line{
    position:fixed;top:0;left:0;right:0;height:2px;
    background:linear-gradient(90deg,transparent,var(--acc),transparent);
    z-index:200;opacity:.7;pointer-events:none;
}
.bg-grain{
    position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.022;
    background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ─── CARD ─── */
.auth-card{
    width:100%;max-width:400px;
    position:relative;z-index:2;
    animation:fadeUp .4s cubic-bezier(.16,1,.3,1) both;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* ─── BRAND ─── */
.brand{text-align:center;margin-bottom:40px}
.brand-logo{
    font-family:var(--fn);font-size:58px;font-weight:900;
    color:var(--acc);letter-spacing:-.04em;line-height:1;
    text-shadow:0 0 50px rgba(255,61,0,.45);
}
.brand-sub{
    font-family:var(--mono);font-size:9px;color:var(--t3);
    letter-spacing:.2em;text-transform:uppercase;margin-top:3px;
}

/* ─── TITRES ─── */
.auth-title{
    font-family:var(--fn);font-size:44px;font-weight:900;
    letter-spacing:-.02em;line-height:1;margin-bottom:5px;
}
.auth-subtitle{
    font-family:var(--mono);font-size:10px;color:var(--t3);
    letter-spacing:.07em;margin-bottom:28px;
}

/* ─── CHAMPS ─── */
.field{margin-bottom:14px}
.field-label{
    font-family:var(--mono);font-size:9px;color:var(--t3);
    letter-spacing:.1em;text-transform:uppercase;
    margin-bottom:7px;display:block;
}
.field-input{
    width:100%;background:#0A0A0A;
    border:1px solid var(--bdr2);
    color:var(--text);padding:13px 16px;
    font-family:var(--mono);font-size:13px;
    outline:none;border-radius:2px;
    transition:border-color .18s,box-shadow .18s;
    -webkit-appearance:none;
}
.field-input:focus{
    border-color:var(--acc);
    box-shadow:0 0 0 3px rgba(255,61,0,.09);
}
.field-input.is-error{border-color:var(--acc)!important}
.field-input::placeholder{color:var(--t3)}
.field-error{
    font-family:var(--mono);font-size:9px;color:var(--acc);
    letter-spacing:.06em;margin-top:5px;display:none;
}
.field-error.visible{display:block}

/* ─── MOT DE PASSE (toggle visibilité) ─── */
.field-pw-wrap{position:relative}
.field-pw-wrap .field-input{padding-right:46px}
.pw-toggle{
    position:absolute;right:13px;top:50%;transform:translateY(-50%);
    background:none;border:none;cursor:pointer;color:var(--t3);
    padding:4px;outline:none;transition:color .15s;line-height:0;
}
.pw-toggle:hover{color:var(--t2)}

/* ─── FORCE DU MOT DE PASSE ─── */
.pw-strength-wrap{display:flex;align-items:center;gap:8px;margin-top:7px}
.pw-strength-bar{flex:1;height:2px;background:var(--bdr2);border-radius:1px;overflow:hidden}
.pw-strength-fill{
    height:100%;border-radius:1px;width:0%;
    transition:width .35s cubic-bezier(.16,1,.3,1),background .35s;
}
.pw-strength-label{
    font-family:var(--mono);font-size:9px;letter-spacing:.08em;
    min-width:40px;text-align:right;transition:color .3s;color:var(--t3);
}

/* ─── GRILLE 2 COLONNES ─── */
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* ─── SÉLECTEUR OBJECTIF ─── */
.goal-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.goal-chip{
    background:#0A0A0A;border:1px solid var(--bdr2);border-radius:2px;
    padding:13px 14px;cursor:pointer;text-align:left;
    transition:border-color .15s,background .15s;outline:none;
}
.goal-chip:hover:not(.sel){
    border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.025);
}
.goal-chip.sel{border-color:var(--acc);background:rgba(255,61,0,.09)}
.goal-chip-icon{font-size:22px;margin-bottom:7px;display:block;line-height:1}
.goal-chip-name{
    font-family:var(--fn);font-size:16px;font-weight:700;
    letter-spacing:.02em;display:block;color:var(--text);
}
.goal-chip-sub{
    font-family:var(--mono);font-size:9px;color:var(--t2);
    letter-spacing:.04em;display:block;margin-top:3px;
}

/* ─── SÉLECTEUR NIVEAU ─── */
.level-chips{display:flex;gap:8px}
.level-chip{
    flex:1;background:#0A0A0A;border:1px solid var(--bdr2);border-radius:2px;
    padding:11px 8px;cursor:pointer;text-align:center;
    transition:all .15s;outline:none;
    font-family:var(--fn);font-size:14px;font-weight:700;
    letter-spacing:.04em;color:var(--t2);text-transform:uppercase;
}
.level-chip:hover:not(.sel){
    color:var(--text);border-color:rgba(255,255,255,.18);
    background:rgba(255,255,255,.025);
}
.level-chip.sel{
    border-color:var(--acc);background:rgba(255,61,0,.09);color:var(--acc);
}

/* ─── CHECKBOX ─── */
.check-wrap{display:flex;align-items:flex-start;gap:10px;cursor:pointer}
.check-input{
    width:17px;height:17px;min-width:17px;
    border:1px solid var(--bdr2);background:#0A0A0A;border-radius:2px;
    -webkit-appearance:none;appearance:none;cursor:pointer;
    position:relative;margin-top:1px;outline:none;
    transition:border-color .15s,background .15s;
}
.check-input:checked{background:var(--acc);border-color:var(--acc)}
.check-input:checked::after{
    content:'';position:absolute;
    top:2px;left:5px;width:5px;height:9px;
    border:1.5px solid white;border-top:none;border-left:none;
    transform:rotate(45deg);
}
.check-label{
    font-family:var(--mono);font-size:10px;color:var(--t3);
    letter-spacing:.04em;line-height:1.6;
}
.check-label a{color:var(--acc);text-decoration:none}
.check-label a:hover{color:var(--acc2)}

/* ─── BOUTON PRINCIPAL ─── */
.cta{
    background:var(--acc);color:#fff;border:none;
    padding:16px 28px;font-family:var(--fn);font-size:16px;
    font-weight:800;letter-spacing:.1em;text-transform:uppercase;
    border-radius:2px;cursor:pointer;
    transition:background .15s,transform .15s;
    width:100%;outline:none;margin-top:8px;
    display:flex;align-items:center;justify-content:center;gap:8px;
}
.cta:hover{background:var(--acc2);transform:translateY(-1px)}
.cta:active{transform:translateY(0)}
.cta:disabled{opacity:.45;cursor:not-allowed;transform:none}
.cta-loader{display:none;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ─── SÉPARATEUR SECTION ─── */
.section-sep{display:flex;align-items:center;gap:10px;margin:22px 0 14px}
.section-sep-line{flex:1;height:1px;background:var(--bdr)}
.section-sep-label{
    font-family:var(--mono);font-size:9px;color:var(--t3);
    letter-spacing:.11em;text-transform:uppercase;white-space:nowrap;
}

/* ─── LIEN MOT DE PASSE OUBLIÉ ─── */
.forgot-link{
    font-family:var(--mono);font-size:9px;color:var(--t3);text-decoration:none;
    letter-spacing:.06em;transition:color .15s;
    display:block;text-align:right;margin-top:-4px;margin-bottom:20px;
}
.forgot-link:hover{color:var(--acc)}

/* ─── LIEN SWITCH (connexion ↔ inscription) ─── */
.switch-link{
    text-align:center;margin-top:28px;
    font-family:var(--mono);font-size:10px;color:var(--t3);letter-spacing:.06em;
}
.switch-link a{color:var(--acc);text-decoration:none;transition:color .15s}
.switch-link a:hover{color:var(--acc2)}

/* ─── ALERTES FLASH ─── */
.alert{
    border-radius:2px;padding:12px 16px;margin-bottom:20px;
    font-family:var(--mono);font-size:10px;letter-spacing:.05em;
    display:flex;align-items:flex-start;gap:10px;line-height:1.5;
}
.alert-error{
    background:rgba(255,61,0,.1);border:1px solid rgba(255,61,0,.28);
    color:#FF6B6B;
}
.alert-success{
    background:rgba(0,230,118,.08);border:1px solid rgba(0,230,118,.22);
    color:var(--green);
}
.alert svg{min-width:14px;margin-top:1px}

/* ─── DIVIDER HORIZONTAL ─── */
.divider{display:flex;align-items:center;gap:12px;margin:26px 0}
.divider-line{flex:1;height:1px;background:var(--bdr2)}
.divider-text{
    font-family:var(--mono);font-size:9px;color:var(--t3);
    letter-spacing:.12em;text-transform:uppercase;
}

/* ─── INDICATEUR DE PROGRESSION ─── */
.step-indicator{
    display:flex;justify-content:center;align-items:center;
    gap:8px;margin-bottom:32px;
}
.step-dot{
    width:6px;height:6px;border-radius:50%;
    background:var(--t3);transition:background .2s,transform .2s;
}
.step-dot.active{background:var(--acc);transform:scale(1.4)}
.step-dot.done{background:var(--acc);opacity:.4}