/* Assistance IA Télécom — Flask Premium CSS */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&display=swap');

/* ── Light theme ── */
:root {
    --bg:#f4f3f8; --bg2:#ffffff; --txt:#1b1340; --txt2:#6e6b7b; --txt3:#9490ad;
    --acc:#5b4cdb; --acc2:#8b7ff5; --acc-g:rgba(91,76,219,.22); --acc-s:#edeaff;
    --ubub:linear-gradient(135deg,#5b4cdb,#8b7ff5);
    --brd:#e4e2ec; --brd2:#d5d3e0;
    --shd:0 1px 3px rgba(27,19,64,.06);
    --shd2:0 8px 30px rgba(27,19,64,.08);
}

/* ── Dark theme ── */
body.dark {
    --bg:#0c0a1a; --bg2:#16132e; --txt:#eae7f8; --txt2:#a09cb5; --txt3:#6e6a85;
    --acc:#8b7ff5; --acc2:#a29bfe; --acc-g:rgba(139,127,245,.28); --acc-s:#1e1845;
    --ubub:linear-gradient(135deg,#6c5ce7,#a29bfe);
    --brd:#2a2550; --brd2:#352f60;
    --shd:0 1px 3px rgba(0,0,0,.15);
    --shd2:0 8px 30px rgba(0,0,0,.25);
}

/* ── Reset ── */
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--txt);font-family:'DM Sans',sans-serif;min-height:100vh;overflow-x:hidden;transition:background .3s,color .3s}
a{color:inherit;text-decoration:none}
::selection{background:var(--acc-s);color:var(--acc)}

/* ── Topbar ── */
.topbar{
    display:flex;align-items:center;justify-content:space-between;
    padding:12px 20px;border-bottom:1px solid var(--brd);
    background:var(--bg);position:sticky;top:0;z-index:50;
    backdrop-filter:blur(12px);
}
.topbar-title{font-family:'Outfit';font-size:15px;font-weight:600;color:var(--txt);letter-spacing:-.02em}
.topbar-left{display:flex;align-items:center;gap:10px}
.online-badge{font-size:11px;color:#10b981;font-weight:500;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.hamburger{
    width:36px;height:36px;border-radius:10px;border:1.5px solid var(--brd);
    background:var(--bg2);color:var(--txt);font-size:17px;font-weight:700;
    cursor:pointer;display:flex;align-items:center;justify-content:center;
    transition:all .2s;
}
.hamburger:hover{background:var(--acc);color:#fff;border-color:var(--acc)}

/* ── Menu panel ── */
.menu-overlay{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:90;opacity:0;pointer-events:none;transition:opacity .25s}
.menu-overlay.open{opacity:1;pointer-events:auto}
.menu-panel{
    position:fixed;top:0;right:-290px;width:270px;height:100%;z-index:100;
    background:var(--bg2);border-left:1px solid var(--brd);
    box-shadow:-8px 0 30px rgba(0,0,0,.12);padding:24px 16px;
    transition:right .3s cubic-bezier(.4,0,.2,1);overflow-y:auto;
}
.menu-panel.open{right:0}
.menu-profile{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.menu-avatar{
    width:42px;height:42px;border-radius:50%;background:var(--ubub);
    color:#fff;display:flex;align-items:center;justify-content:center;
    font-weight:600;font-size:17px;box-shadow:0 3px 12px var(--acc-g);
}
.menu-avatar.big{width:52px;height:52px;font-size:20px}
.menu-email{color:var(--txt3);font-size:11px}
.menu-item{
    display:block;padding:9px 12px;border-radius:10px;font-size:13px;
    color:var(--txt);cursor:pointer;border:none;background:none;
    width:100%;text-align:left;font-family:inherit;transition:background .15s;
}
.menu-item:hover{background:var(--acc-s)}
.menu-item.active{background:var(--acc-s);color:var(--acc);font-weight:600}
.menu-item.logout{color:#ef4444}
.menu-panel hr{border:none;border-top:1px solid var(--brd);margin:10px 0}

/* ── Welcome screen ── */
.welcome{
    text-align:center;padding:10vh 24px 4vh;animation:fadeIn .6s ease;
    position:relative;overflow:hidden;
}
.welcome-glow{
    position:absolute;top:-60%;left:-30%;
    width:160%;height:160%;
    background:radial-gradient(ellipse at 30% 50%, var(--acc-g) 0%, transparent 50%),
               radial-gradient(ellipse at 70% 60%, rgba(91,76,219,0.08) 0%, transparent 50%);
    animation:glowMove 8s ease-in-out infinite alternate;
    pointer-events:none;z-index:0;
}
@keyframes glowMove{
    0%{transform:translate(0,0) scale(1)}
    50%{transform:translate(30px,-20px) scale(1.1)}
    100%{transform:translate(-20px,15px) scale(0.95)}
}
.welcome-content{position:relative;z-index:1}
.welcome-logo-wrap{position:relative;display:inline-block;margin-bottom:20px}
.welcome-logo{
    width:64px;height:64px;border-radius:18px;
    box-shadow:0 8px 28px var(--acc-g);
    position:relative;z-index:1;
}
.welcome-pulse{
    position:absolute;top:50%;left:50%;
    width:80px;height:80px;border-radius:22px;
    transform:translate(-50%,-50%);
    background:var(--acc);opacity:0;
    animation:logoPulse 3s ease-in-out infinite;
    z-index:0;
}
@keyframes logoPulse{
    0%{opacity:0.3;transform:translate(-50%,-50%) scale(0.8)}
    50%{opacity:0;transform:translate(-50%,-50%) scale(1.3)}
    100%{opacity:0;transform:translate(-50%,-50%) scale(1.3)}
}
.welcome h2{font-family:'Outfit';font-size:1.5rem;font-weight:600;color:var(--txt);margin-bottom:8px;letter-spacing:-.03em}
.welcome p{color:var(--txt2);font-size:14px;line-height:1.6;margin-bottom:4px}
.welcome-features{
    display:flex;flex-wrap:wrap;justify-content:center;gap:8px;
    margin:16px 0 20px;
}
.welcome-features span{
    font-size:11px;color:var(--txt2);
    background:var(--bg2);border:1px solid var(--brd);
    padding:4px 10px;border-radius:20px;
    transition:all 0.2s;
}
.welcome-features span:hover{color:var(--acc);border-color:var(--acc);background:var(--acc-s)}
.welcome-footer{font-size:10px;color:var(--txt3);margin-top:20px}
.suggestions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:24px}
.chip{
    padding:8px 16px;background:var(--bg2);border:1px solid var(--brd);
    border-radius:20px;font-size:13px;color:var(--txt2);cursor:pointer;
    font-family:inherit;transition:all .2s;box-shadow:var(--shd);
}
.chip:hover{background:var(--acc-s);color:var(--acc);border-color:var(--acc);transform:translateY(-1px)}
@keyframes fadeIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

/* ── Messages ── */
.messages{flex:1;overflow-y:auto;padding:16px 16px 110px;scroll-behavior:smooth}
.msg-row{display:flex;margin-bottom:12px;animation:msgIn .35s ease}
.msg-row.user-row{justify-content:flex-end;padding-left:20%}
.msg-row.bot-row{justify-content:flex-start;align-items:flex-start;gap:8px;padding-right:10%}
.msg-avatar{
    width:28px;height:28px;border-radius:50%;background:var(--ubub);
    display:flex;align-items:center;justify-content:center;
    font-size:11px;flex-shrink:0;margin-top:4px;
    box-shadow:0 2px 10px var(--acc-g);
}
.msg-bubble{
    padding:10px 14px;font-size:14px;line-height:1.55;word-wrap:break-word;max-width:100%;
    transition:background .3s;
}
/* Reduce spacing of <br> tags inside bot bubbles */
.bot-bubble br{content:'';display:block;margin:4px 0}
.user-bubble{
    background:var(--ubub);color:#fff;
    border-radius:18px 18px 4px 18px;
    box-shadow:0 3px 12px var(--acc-g);
}
.bot-bubble{
    background:var(--bg2);color:var(--txt);
    border-radius:18px 18px 18px 4px;
    border:1px solid var(--brd);box-shadow:var(--shd);
}
.bot-bubble strong{color:var(--acc);font-weight:600}
.bot-bubble em{font-style:italic;color:var(--txt2)}
.bot-bubble a{color:var(--acc);text-decoration:none;border-bottom:1px dashed var(--acc)}
.bot-bubble a:hover{border-bottom-style:solid}
/* Sources block styling */
.bot-bubble div[style*="padding-left"]{border-left:2px solid var(--acc-g);margin-left:4px}
.audio-row{padding-left:36px;margin:-2px 0 8px}
.audio-row audio{height:32px;border-radius:20px;max-width:220px;filter:opacity(0.7)}
.audio-row audio:hover{filter:opacity(1)}

/* Message meta (time + copy) */
.msg-content{max-width:100%;min-width:0}
.msg-meta{display:flex;align-items:center;gap:8px;padding:3px 4px 0;opacity:.7}
.msg-time{font-size:10px;color:var(--txt3)}
.copy-btn{
    background:none;border:none;cursor:pointer;font-size:12px;
    padding:2px 4px;border-radius:4px;transition:background .15s;
}
.copy-btn:hover{background:var(--acc-s)}

/* React buttons */
.react-btn{
    background:none;border:none;cursor:pointer;font-size:12px;
    padding:2px 4px;border-radius:4px;transition:all .2s;
    opacity:0.5;
}
.react-btn:hover{opacity:1;transform:scale(1.15)}
.react-btn.reacted{opacity:1;background:var(--acc-s);border-radius:6px}

/* Toast notification */
.toast{
    position:fixed;bottom:80px;left:50%;transform:translateX(-50%) translateY(20px);
    background:var(--txt);color:var(--bg);
    padding:10px 20px;border-radius:12px;font-size:13px;
    box-shadow:0 6px 20px rgba(0,0,0,0.2);
    opacity:0;pointer-events:none;transition:all 0.3s ease;
    z-index:100;font-family:'DM Sans',sans-serif;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);pointer-events:auto}
.toast-error{background:#ef4444;color:#fff}
.toast-warn{background:#f59e0b;color:#fff}
.toast-success{background:#10b981;color:#fff}
.typing-target{display:inline}

/* Thinking indicator */
.typing-indicator{
    display:flex;align-items:center;gap:10px;
    padding:10px 16px;
}
.thinking-dots{display:flex;gap:4px;align-items:center}
.thinking-dots span{
    display:block;width:7px;height:7px;border-radius:50%;
    background:var(--acc);animation:thinkPulse 1.4s infinite ease-in-out;
}
.thinking-dots span:nth-child(2){animation-delay:0.2s}
.thinking-dots span:nth-child(3){animation-delay:0.4s}
.thinking-text{
    font-size:12px;color:var(--txt3);font-style:italic;
    animation:thinkFade 2s infinite;
}
@keyframes thinkPulse{
    0%,80%,100%{opacity:0.25;transform:scale(0.8)}
    40%{opacity:1;transform:scale(1.2)}
}
@keyframes thinkFade{
    0%,100%{opacity:0.5}
    50%{opacity:1}
}
.scroll-btn{
    position:fixed;bottom:80px;right:20px;
    width:36px;height:36px;border-radius:50%;
    background:var(--bg2);border:1.5px solid var(--brd);
    color:var(--txt);font-size:14px;cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 4px 14px rgba(27,19,64,0.12);
    z-index:42;transition:all 0.2s;
    animation:fadeIn 0.2s ease;
}
.scroll-btn:hover{background:var(--acc);color:#fff;border-color:var(--acc)}

/* New conversation floating button */
.new-conv-btn{
    position:fixed;bottom:80px;left:16px;
    width:42px;height:42px;border-radius:50%;
    background:var(--acc);border:none;
    color:#fff;font-size:22px;font-weight:700;
    cursor:pointer;display:flex;align-items:center;justify-content:center;
    box-shadow:0 4px 20px var(--acc-g);
    z-index:42;transition:all 0.25s;
    line-height:1;animation:floatBtn 3s ease-in-out infinite;
}
.new-conv-btn:hover{transform:scale(1.12) rotate(90deg);box-shadow:0 6px 28px var(--acc-g)}
.new-conv-btn:active{transform:scale(0.92)}
@keyframes floatBtn{
    0%,100%{transform:translateY(0)}
    50%{transform:translateY(-4px)}
}
@keyframes msgIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ── Input bar ── */
.input-bar{
    position:fixed;bottom:16px;left:50%;transform:translateX(-50%);
    width:calc(100% - 40px);max-width:700px;
    display:flex;align-items:center;gap:6px;
    padding:6px 8px 6px 14px;background:var(--bg2);
    border:1.5px solid var(--brd);border-radius:28px;
    box-shadow:var(--shd2);z-index:40;
    transition:border-color .2s,box-shadow .2s;
}
.input-bar:focus-within{border-color:var(--acc);box-shadow:var(--shd2),0 0 0 3px var(--acc-g)}
.input-bar input{
    flex:1;border:none;outline:none;font-size:15px;background:transparent;
    color:var(--txt);font-family:inherit;padding:8px 0;min-width:0;
}
.input-bar input::placeholder{color:var(--txt3)}
.input-tools{display:flex;align-items:center;gap:2px;flex-shrink:0}
#send-btn{
    width:42px;height:42px;border-radius:50%;border:none;
    background:var(--ubub);color:#fff;cursor:pointer;
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
    box-shadow:0 3px 14px var(--acc-g);transition:all .2s;touch-action:none;
}
#send-btn:hover{transform:scale(1.05)}

/* Stop generation button */
.stop-btn{
    width:42px;height:42px;border-radius:50%;border:none;
    background:#ef4444;cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    flex-shrink:0;transition:all 0.15s;
    animation:stopPulse 1.5s ease-in-out infinite;
}
.stop-btn:hover{background:#dc2626;transform:scale(1.05)}
@keyframes stopPulse{
    0%,100%{box-shadow:0 0 0 0 rgba(239,68,68,0.3)}
    50%{box-shadow:0 0 0 8px rgba(239,68,68,0)}
}

.status-hint{text-align:center;font-size:11px;color:var(--txt3);height:18px;position:fixed;bottom:2px;left:0;right:0;z-index:40}

/* Tool buttons (attach, web) */
.attach-btn{background:none;border:none;font-size:18px;cursor:pointer;padding:4px;opacity:0.5;transition:opacity 0.2s}
.attach-btn:hover{opacity:1}

/* Web search toggle */
.web-btn{
    background:none;border:1px solid var(--brd);font-size:14px;cursor:pointer;
    padding:2px 5px;border-radius:6px;opacity:0.4;transition:all 0.2s;
}
.web-btn:hover{opacity:1;border-color:var(--acc)}
.web-btn.web-active{opacity:1;background:var(--acc-s);border-color:var(--acc)}

/* Model dropdown (inside input bar, like Claude) */
.model-dropdown{position:relative}
.model-current{
    padding:4px 8px;border-radius:8px;border:1px solid var(--brd);
    background:var(--bg);color:var(--txt);font-size:16px;
    cursor:pointer;font-family:inherit;white-space:nowrap;transition:all 0.15s;
    line-height:1;
}
.model-current:hover{background:var(--acc-s);color:var(--acc);border-color:var(--acc)}
.model-menu{
    display:none;position:absolute;bottom:calc(100% + 8px);left:0;
    background:var(--bg2);border:1px solid var(--brd);border-radius:14px;
    box-shadow:0 8px 30px rgba(27,19,64,0.15);padding:6px;min-width:180px;z-index:50;
}
.model-menu.open{display:block;animation:fadeIn 0.15s ease}
.model-menu button{
    display:flex;align-items:center;gap:6px;width:100%;
    padding:8px 12px;border:none;background:none;border-radius:8px;
    font-size:13px;color:var(--txt);cursor:pointer;font-family:inherit;
    text-align:left;transition:background 0.1s;
}
.model-menu button:hover{background:var(--acc-s)}
.model-menu button span{font-size:11px;color:var(--txt3);margin-left:auto}
.file-preview{
    position:fixed;bottom:76px;left:50%;transform:translateX(-50%);
    width:calc(100% - 40px);max-width:700px;
    display:flex;align-items:center;justify-content:space-between;
    padding:8px 14px;background:var(--acc-s);border:1px solid var(--brd);
    border-radius:14px;z-index:41;animation:fadeIn 0.2s ease;
}
.file-info{font-size:13px;color:var(--txt);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-remove{background:none;border:none;font-size:16px;cursor:pointer;color:var(--txt2);padding:4px 8px;border-radius:6px}
.file-remove:hover{background:rgba(239,68,68,0.1);color:#ef4444}

/* ── Login ── */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px;background:var(--bg)}
.login-container{text-align:center;width:100%;max-width:420px;animation:fadeIn .5s ease}
.login-logo{width:68px;height:68px;border-radius:18px;box-shadow:0 8px 24px var(--acc-g);margin-bottom:20px}
.login-title{font-family:'Outfit';font-size:1.6rem;font-weight:700;color:var(--txt);margin-bottom:6px;letter-spacing:-.03em}
.login-subtitle{color:var(--txt2);font-size:14px;margin-bottom:28px}
.login-card{
    background:var(--bg2);border:1px solid var(--brd);border-radius:22px;
    padding:28px;box-shadow:var(--shd2);text-align:left;
}
.form-label{text-align:center;font-weight:600;color:var(--txt);margin-bottom:16px;font-size:15px}
.login-card input{
    width:100%;padding:13px 16px;border:1.5px solid var(--brd);border-radius:14px;
    font-size:15px;background:var(--bg);color:var(--txt);margin-bottom:12px;
    font-family:inherit;outline:none;transition:border-color .2s,box-shadow .2s;
}
.login-card input:focus{border-color:var(--acc);box-shadow:0 0 0 3px var(--acc-g)}
.login-card input::placeholder{color:var(--txt3)}
.btn-primary{
    width:100%;padding:13px;background:var(--ubub);color:#fff;border:none;
    border-radius:14px;font-size:15px;font-weight:600;cursor:pointer;
    font-family:inherit;box-shadow:0 4px 14px var(--acc-g);transition:all .2s;
}
.btn-primary:hover{box-shadow:0 6px 24px var(--acc-g);transform:translateY(-1px)}
.btn-link{background:none;border:none;color:var(--acc);font-size:13px;cursor:pointer;margin-top:16px;font-family:inherit;display:block;width:100%;text-align:center;transition:color .15s}
.btn-link:hover{color:var(--acc2)}
.error-msg{color:#ef4444;font-size:13px;margin-top:8px;text-align:center}
.success-msg{color:#10b981;font-size:13px;margin-top:8px;text-align:center}
.login-footer{color:var(--txt3);font-size:11px;margin-top:28px}

/* Profile inputs */
.prof-input{
    width:100%;padding:11px 14px;border:1.5px solid var(--brd);border-radius:12px;
    font-size:14px;font-family:inherit;background:var(--bg);color:var(--txt);
    transition:border-color .2s;box-sizing:border-box;
}
.prof-input:focus{border-color:var(--acc);outline:none;box-shadow:0 0 0 3px var(--acc-g)}

/* ── Pages ── */
.page-content{padding:20px;max-width:700px;margin:0 auto;animation:fadeIn .4s ease}
.page-header{text-align:center;padding:20px 0 12px}
.page-header h2{font-family:'Outfit';font-size:1.35rem;font-weight:600;color:var(--txt)}
.page-header p{color:var(--txt2);font-size:13px;margin-top:4px}
.conv-card{background:var(--bg2);border:1px solid var(--brd);border-radius:14px;padding:14px 16px;margin:10px 0;transition:border-color .15s}
.conv-card:hover{border-color:var(--acc)}
.conv-title{font-weight:500;font-size:14px;color:var(--txt)}
.conv-date{font-size:11px;color:var(--txt3);margin:3px 0 8px}
.conv-actions{display:flex;gap:8px}
.btn-sm{padding:5px 14px;border-radius:8px;font-size:12px;border:1px solid var(--brd);background:var(--bg);color:var(--txt);cursor:pointer;text-decoration:none;transition:all .15s;font-family:inherit}
.btn-sm:hover{background:var(--acc-s);color:var(--acc)}
.btn-sm.danger{color:#ef4444;border-color:#fecaca}
.btn-sm.danger:hover{background:#fef2f2}
.btn-secondary{padding:11px;border-radius:14px;border:1.5px solid var(--brd);background:transparent;color:var(--txt2);font-size:14px;cursor:pointer;font-family:inherit;transition:all .15s}
.btn-secondary:hover{background:var(--acc-s);color:var(--acc);border-color:var(--acc)}
.full-w{width:100%;display:block;margin-bottom:14px}
.empty{text-align:center;padding:48px 20px;color:var(--txt3);font-size:14px}
.settings-profile{display:flex;align-items:center;gap:14px;background:var(--acc-s);border-radius:16px;padding:14px;margin:14px 0}
h3{font-family:'Outfit';font-size:14px;color:var(--txt);margin:20px 0 8px}
#pdf-input{margin:10px 0;font-size:13px;color:var(--txt2)}
.fb-label{font-size:14px;font-weight:500;color:var(--txt);display:block;margin:14px 0 8px}
.stars{font-size:22px;margin-bottom:14px;cursor:pointer;user-select:none}
textarea{width:100%;padding:12px;border:1.5px solid var(--brd);border-radius:14px;font-size:14px;resize:none;font-family:inherit;background:var(--bg);color:var(--txt);margin-bottom:14px;transition:border-color .2s}
textarea:focus{border-color:var(--acc);outline:none;box-shadow:0 0 0 3px var(--acc-g)}
.about-card{text-align:center;background:var(--bg2);border:1px solid var(--brd);border-radius:18px;padding:28px;margin:14px 0;box-shadow:var(--shd)}
.about-logo{width:60px;border-radius:16px;margin-bottom:12px;box-shadow:0 4px 14px var(--acc-g)}
.about-card h3{font-size:1.15rem;margin:0 0 6px}
.badge{background:var(--acc-s);color:var(--acc);padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600}
.about-section{padding:14px 0;border-bottom:1px solid var(--brd)}
.about-section:last-child{border-bottom:none}
.about-section h4{font-family:'Outfit';font-size:14px;color:var(--txt);margin-bottom:6px}
.about-section p{color:var(--txt2);font-size:13px;line-height:1.7}

/* ── Scrollbar ── */
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--brd);border-radius:3px}

/* ── Mobile ── */
@media(max-width:640px){
    .topbar{padding:8px 12px}
    .topbar-title{font-size:12px}
    .topbar-left{gap:6px}
    .online-badge{font-size:9px}
    .hamburger{width:30px;height:30px;font-size:14px;border-radius:8px}

    .messages{padding:8px 8px 90px}
    .msg-row{margin-bottom:8px}
    .msg-row.user-row{padding-left:10%}
    .msg-row.bot-row{padding-right:3%;gap:5px}
    .msg-bubble{font-size:13px;padding:9px 12px;line-height:1.5;border-radius:14px 14px 14px 4px}
    .user-bubble{border-radius:14px 14px 4px 14px}
    .msg-avatar{width:22px;height:22px;font-size:8px;margin-top:2px}
    .audio-row{padding-left:27px;margin:-1px 0 4px}
    .audio-row audio{max-width:150px;height:26px}
    .msg-meta{padding:1px 2px 0;gap:4px}
    .msg-time{font-size:8px}
    .copy-btn{font-size:9px}
    .react-btn{font-size:10px;padding:1px 2px}

    /* INPUT BAR - clean mobile layout */
    .input-bar{
        width:calc(100% - 12px);padding:4px 4px 4px 10px;
        bottom:4px;border-radius:22px;gap:3px;
    }
    .input-bar input{font-size:16px;padding:5px 0}
    .model-current{font-size:10px;padding:3px 7px;border-radius:8px;white-space:nowrap}
    .model-menu{min-width:150px;bottom:calc(100% + 6px)}
    .model-menu button{padding:6px 10px;font-size:11px}
    .attach-btn{font-size:15px;padding:2px}
    .web-btn{font-size:12px;padding:1px 4px;border-radius:5px}
    #send-btn{width:36px;height:36px}
    .stop-btn{width:36px;height:36px}
    #send-btn svg{width:16px;height:16px}

    /* Welcome */
    .welcome{padding:4vh 12px 2vh}
    .welcome h2{font-size:1.1rem}
    .welcome p{font-size:11px}
    .welcome-logo{width:48px;height:48px;border-radius:14px}
    .welcome-pulse{width:62px;height:62px;border-radius:18px}
    .welcome-features{gap:4px;margin:10px 0 12px}
    .welcome-features span{font-size:9px;padding:3px 7px}
    .suggestions{gap:4px;margin-top:10px}
    .chip{padding:5px 10px;font-size:10px;border-radius:14px}
    .welcome-footer{font-size:9px}

    /* Login */
    .login-card{padding:18px}
    .login-logo{width:52px;height:52px}
    .login-title{font-size:1.2rem}
    .login-card input{padding:11px 12px;font-size:15px}

    /* Menu */
    .menu-panel{width:230px;right:-240px;padding:16px 12px}
    .menu-item{padding:7px 10px;font-size:12px}
    .menu-avatar{width:36px;height:36px;font-size:14px}
    .menu-email{font-size:10px}

    /* Pages */
    .page-content{padding:12px}
    .page-header h2{font-size:1.1rem}
    .status-hint{font-size:9px;bottom:0}

    /* Floating elements */
    .file-preview{bottom:55px;padding:5px 8px;border-radius:10px}
    .file-info{font-size:10px}
    .scroll-btn{bottom:60px;right:10px;width:30px;height:30px;font-size:11px}
    .toast{bottom:60px;font-size:11px;padding:7px 14px}
    .new-conv-btn{bottom:62px;left:10px;width:32px;height:32px;font-size:16px}
}

/* ── Very small phones ── */
@media(max-width:380px){
    .msg-row.user-row{padding-left:5%}
    .msg-bubble{font-size:12px;padding:7px 9px}
    .input-bar{padding:3px 3px 3px 8px}
    .model-current{font-size:9px;padding:2px 5px}
    .attach-btn{font-size:13px}
    .web-btn{font-size:11px}
    #send-btn{width:32px;height:32px}
    .stop-btn{width:32px;height:32px}
    .welcome h2{font-size:1rem}
    .chip{font-size:9px;padding:4px 7px}
    .new-conv-btn{width:28px;height:28px;font-size:14px}
}

/* ── Tablet ── */
@media(min-width:641px) and (max-width:1024px){
    .msg-row.user-row{padding-left:15%}
    .msg-row.bot-row{padding-right:10%}
}

/* ── Touch ── */
@media(hover:none)and(pointer:coarse){
    .hamburger:hover,.chip:hover,.btn-primary:hover,#send-btn:hover{transform:none}
    .conv-card:hover{border-color:var(--brd)}
}


/* ── Page invité (guest) ── */
.btn-login-top{
    padding:7px 16px;background:var(--ubub);color:#fff;border-radius:10px;
    font-size:13px;font-weight:600;text-decoration:none;font-family:inherit;
    box-shadow:0 2px 10px var(--acc-g);transition:all .2s;white-space:nowrap;
}
.btn-login-top:hover{opacity:.9;transform:translateY(-1px)}

.counter-bar{
    padding:8px 16px;background:var(--acc-s);
    border-bottom:1px solid var(--brd);
    text-align:center;font-size:13px;
    color:var(--acc);font-weight:500;
    line-height:1.4;
}
.counter-bar.limit{background:#fef2f2;color:#ef4444;border-color:#fecaca}
.counter-bar a{color:inherit;text-decoration:underline;font-weight:600}

.modal-overlay{
    position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;
    display:flex;align-items:center;justify-content:center;padding:20px;
}
.modal-card{
    background:var(--bg2);border-radius:22px;padding:32px 24px;
    max-width:360px;width:100%;text-align:center;
    box-shadow:0 20px 60px rgba(0,0,0,.2);
    animation:fadeIn .3s ease;
}
.modal-card h3{font-family:'Outfit';font-size:1.1rem;color:var(--txt);margin-bottom:8px}
.modal-card p{color:var(--txt2);font-size:13px;margin-bottom:20px;line-height:1.6}

/* ── Mobile invité ── */
@media(max-width:640px){
    .btn-login-top{padding:5px 12px;font-size:12px;border-radius:8px}
    .counter-bar{font-size:11px;padding:6px 10px}
    .modal-card{padding:24px 16px;border-radius:18px}
    .modal-card h3{font-size:1rem}
    .modal-card p{font-size:12px}
}

@media(max-width:380px){
    .btn-login-top{padding:4px 10px;font-size:11px}
    .counter-bar{font-size:10px}
}

/* ── Safe area ── */
@supports(padding:env(safe-area-inset-bottom)){
    .input-bar{bottom:calc(10px + env(safe-area-inset-bottom))}
    .status-hint{bottom:env(safe-area-inset-bottom)}
}