/* ============================================================
   Brikau — assets/css/main.css
   Thème : noir profond + rouge-orangé
   ============================================================ */

:root {
    --noir:    #0d0d0d;
    --blanc:   #f0ebe0;
    --blanc2:  #c8c0b0;
    --orange:  #ff4500;
    --orange2: #ff6a30;
    --gris:    #161616;
    --gris2:   #202020;
    --gris3:   #303030;
    --gris4:   #555;
    --texte:   #b8b0a0;
    --texte2:  #ccc5b5;
    --vert:    #3dba6f;
    --rouge:   #e03030;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background: var(--noir);
    color: var(--blanc);
    font-family: 'DM Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, .syne { font-family: 'Syne', sans-serif; }

a { color: var(--orange2); text-decoration: none; }
a:hover { color: var(--orange); }

/* --- NAVBAR --- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .9rem 2rem;
    background: rgba(13,13,13,.96);
    border-bottom: 1px solid rgba(255,69,0,.18);
    backdrop-filter: blur(10px);
}
.logo { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.4rem; color: var(--blanc); }
.logo span { color: var(--orange); }
.nav-links { display: flex; gap: 1.5rem; list-style: none; align-items: center; }
.nav-links a { color: var(--texte2); font-size: .9rem; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--orange); }

/* --- BOUTONS --- */
.btn { display: inline-flex; align-items: center; gap: .4rem; padding: .65rem 1.4rem; border-radius: 8px; font-family: 'Syne', sans-serif; font-weight: 700; font-size: .88rem; cursor: pointer; border: none; transition: all .2s; letter-spacing: .03em; }
.btn-primary   { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange2); transform: translateY(-1px); }
.btn-outline   { background: transparent; color: var(--blanc); border: 1px solid var(--gris3); }
.btn-outline:hover { border-color: var(--orange); color: var(--orange); }
.btn-ghost     { background: transparent; color: var(--texte2); border: none; }
.btn-ghost:hover { color: var(--blanc); }
.btn:disabled  { opacity: .45; cursor: not-allowed; transform: none !important; }
.btn-full      { width: 100%; justify-content: center; }

/* --- CARTES --- */
.card {
    background: var(--gris2);
    border: 1px solid var(--gris3);
    border-radius: 14px;
    padding: 1.5rem;
}
.card-header { font-family: 'Syne', sans-serif; font-size: .8rem; color: var(--orange2); letter-spacing: .1em; margin-bottom: 1rem; }

/* --- FORMULAIRES --- */
.form-group { margin-bottom: 1.2rem; }
.form-label { display: block; font-size: .85rem; color: var(--texte2); margin-bottom: .4rem; }
.form-input, .form-select, .form-textarea {
    width: 100%;
    background: #1a1a1a;
    border: 1px solid var(--gris3);
    border-radius: 8px;
    padding: .75rem 1rem;
    color: var(--blanc);
    font-family: 'DM Sans', sans-serif;
    font-size: .95rem;
    transition: border-color .2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--orange); }
.form-input::placeholder, .form-textarea::placeholder { color: var(--gris4); }
.form-textarea { resize: vertical; min-height: 80px; }

/* --- BADGE PLAN --- */
.plan-badge { display: inline-block; padding: .25rem .7rem; border-radius: 100px; font-family: 'Syne', sans-serif; font-size: .7rem; font-weight: 700; letter-spacing: .06em; }
.badge-free     { background: rgba(255,255,255,.08); color: var(--texte2); }
.badge-basic    { background: rgba(61,186,111,.12); color: var(--vert); }
.badge-pro      { background: rgba(52,152,219,.12); color: #3498db; }
.badge-expert   { background: rgba(255,69,0,.12); color: var(--orange2); }
.badge-ultimate { background: rgba(255,215,0,.12); color: gold; }

/* --- LOADING BAR --- */
.loading-bar { height: 3px; background: var(--gris3); border-radius: 3px; overflow: hidden; }
.loading-bar-inner { height: 100%; background: var(--orange); animation: loadbar 1.8s ease-in-out infinite; }
@keyframes loadbar { 0%{width:0} 50%{width:75%} 100%{width:100%} }

/* --- ALERT --- */
.alert { padding: .9rem 1.2rem; border-radius: 8px; font-size: .9rem; margin-bottom: 1rem; }
.alert-error   { background: rgba(224,48,48,.12); border: 1px solid rgba(224,48,48,.3); color: #f87171; }
.alert-success { background: rgba(61,186,111,.12); border: 1px solid rgba(61,186,111,.3); color: #4ade80; }
.alert-info    { background: rgba(255,69,0,.08);   border: 1px solid rgba(255,69,0,.25); color: var(--orange2); }

/* --- PAGE WRAPPER --- */
.page-wrap  { max-width: 960px;  margin: 0 auto; padding: 2.5rem 1.5rem; }
.page-wrap-lg { max-width: 1140px; margin: 0 auto; padding: 2.5rem 1.5rem; }

/* --- SECTION TITLE --- */
.section-eyebrow { font-size: .75rem; color: var(--orange); letter-spacing: .15em; margin-bottom: .5rem; }
.section-title   { font-size: clamp(1.8rem,4vw,2.8rem); font-weight: 800; line-height: 1.1; color: var(--blanc); margin-bottom: .8rem; }
.section-sub     { color: var(--texte2); font-size: 1rem; line-height: 1.7; max-width: 540px; }

/* --- GRID UTILS --- */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 1rem; }

/* --- SCROLL ANIM --- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .5s, transform .5s; }
.reveal.visible { opacity: 1; transform: none; }

/* --- AVATAR --- */
.avatar { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; border: 2px solid var(--gris3); }
.avatar-placeholder { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,69,0,.15); display: flex; align-items: center; justify-content: center; font-family: 'Syne', sans-serif; font-weight: 700; font-size: .85rem; color: var(--orange); }

/* ---- TABS AUTH ---- */
.auth-tabs{display:flex;border-bottom:1px solid var(--gris3);margin-bottom:1.5rem}
.auth-tab{flex:1;padding:.6rem;background:none;border:none;color:var(--texte2);font-family:'DM Sans',sans-serif;font-size:.85rem;cursor:pointer;border-bottom:2px solid transparent;transition:.2s}
.auth-tab.active{color:var(--orange);border-bottom-color:var(--orange)}
.auth-panel{display:none}.auth-panel.active{display:block}
.input-eye{position:relative}
.input-eye input{padding-right:2.5rem}
.input-eye button{position:absolute;right:.7rem;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--gris4);cursor:pointer;font-size:1rem;padding:0}
.forgot-link{font-size:.78rem;color:var(--gris4);text-align:right;display:block;margin-top:.3rem;cursor:pointer}
.forgot-link:hover{color:var(--orange2)}
.divider-or{display:flex;align-items:center;gap:.8rem;margin:1rem 0;color:var(--gris4);font-size:.8rem}
.divider-or::before,.divider-or::after{content:'';flex:1;height:1px;background:var(--gris3)}