:root{color-scheme:dark;--bg:#0b1220;--surface:#111b2c;--surface-2:#18263b;--line:#29374b;--text:#f1f5fb;--muted:#a5b3c7;--accent:#4fcbab;--accent-txt:#072a22;--danger:#fa8d98;--radius:16px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}html{min-height:100%}body{margin:0;background:var(--bg);color:var(--text);font-size:15px;line-height:1.55}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}input,textarea,select{color:var(--text);background:#0c1625;border:1px solid #37475d;border-radius:10px;padding:11px 13px;width:100%;outline:none}textarea{resize:vertical;min-height:56px}input:focus,textarea:focus,select:focus,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}label{display:block;margin-bottom:7px;color:#d7e0ed;font-size:13px;font-weight:650}.muted,.form-hint{color:var(--muted)}.form-hint{font-size:12px}.alert{color:#ffd3d7;background:#512a36;border:1px solid #834455;padding:12px;border-radius:10px}.primary-btn{border:1px solid #5dd9b7;background:var(--accent);color:var(--accent-txt);border-radius:10px;font-weight:750;padding:11px 18px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap}.primary-btn:hover{background:#70dec0}.outline-btn{border:1px solid #4a5b72;background:transparent;color:var(--text);border-radius:10px;font-weight:650;padding:10px 16px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px}.outline-btn:hover,.icon-btn:hover,.choice-button:hover{background:var(--surface-2)}[hidden]{display:none!important}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.13em;color:var(--accent);margin:0 0 5px}.bot-avatar,.brand-mark{background:#164c42;color:#85efcc;border-radius:13px;width:42px;height:42px;display:grid;place-items:center;font-size:24px;font-weight:800}.online-dot{display:inline-block;width:7px;height:7px;border-radius:100%;background:#5fdfa8;margin-right:4px}
/* Participant */
.guest-page{height:100dvh;display:flex;align-items:center;justify-content:center;padding:22px;background:radial-gradient(circle at top left,#17314a 0%,var(--bg) 53%)}.chat-shell{width:min(100%,510px);height:min(770px,calc(100dvh - 44px));display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);box-shadow:0 24px 90px #0006;border-radius:20px;overflow:hidden}.chat-header{display:flex;align-items:center;gap:13px;border-bottom:1px solid var(--line);padding:16px 21px;flex:none}.chat-header h1{font-size:16px;line-height:1.2;margin:0}.chat-header p{color:var(--muted);font-size:12px;margin:5px 0 0}.thread{min-height:100px;flex:1;overflow-y:auto;display:flex;flex-direction:column;align-items:stretch;gap:15px;padding:22px 19px;scroll-behavior:smooth}.bubble-row{display:flex;justify-content:flex-start}.bubble-row.user-row{justify-content:flex-end}.bubble{background:#213147;max-width:88%;color:#eef3f9;border:1px solid #34445a;border-radius:16px 16px 16px 4px;padding:13px 16px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px}.bubble.user{background:#155a4c;border-color:#238371;color:#e4fff7;border-radius:16px 16px 4px 16px}.composer{flex:none;padding:14px 17px 12px;border-top:1px solid var(--line)}.reply-form{display:flex;gap:9px;align-items:flex-end}.reply-form textarea{flex:1;min-height:48px;max-height:140px}.send-btn{min-height:48px}.choice-buttons{display:grid;grid-template-columns:repeat(auto-fit,minmax(135px,1fr));gap:9px}.choice-button{background:#152639;color:#ecf8f4;border:1px solid #396c63;border-radius:10px;padding:12px;min-height:46px;font-weight:600}.chat-footer{padding:0 15px 13px;text-align:center;color:#8696aa;font-size:11px}.ending-card{border:1px solid #327764;background:#15382f;padding:19px;border-radius:14px}.ending-card h2{font-size:19px;margin:0 0 9px}.ending-card p{margin:7px 0}.ending-card a{color:#96efd9}
/* Admin layout */
.dashboard{display:grid;grid-template-columns:245px minmax(0,1fr);min-height:100dvh}.sidebar{border-right:1px solid var(--line);background:#0e1726;padding:30px 19px;display:flex;flex-direction:column;gap:44px;position:sticky;top:0;height:100dvh}.brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:850}.brand-mark{height:33px;width:33px;font-size:20px;border-radius:10px}.nav-tabs{display:grid;gap:7px}.nav-btn{background:transparent;border:1px solid transparent;color:#b2c1d4;padding:12px 13px;text-align:left;border-radius:10px;font-weight:700}.nav-btn.active{background:#173a35;border-color:#2e7463;color:#90f3d3}.sidebar-bottom{display:flex;flex-direction:column;gap:18px;margin-top:auto;font-size:13px}.sidebar-bottom a,.link-btn{color:#b1d8cf;text-decoration:none}.link-btn{background:transparent;border:none;text-align:left;padding:0}.workspace{min-width:0;padding:36px clamp(18px,5vw,72px);max-width:1450px;width:100%;margin:auto}.workspace-header{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:30px}.workspace-header h1{font-size:clamp(24px,3vw,34px);letter-spacing:-.035em;margin:0;line-height:1.16}.save-state{font-size:13px;max-width:350px;text-align:right}.save-state.ok{color:var(--accent)}.save-state.error{color:var(--danger)}.panel{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:clamp(18px,3vw,35px);box-shadow:0 15px 45px #0002}.section-header{margin:0 0 19px}.section-header h2,.responses-heading h2{font-size:18px;margin:0 0 4px}.section-header p,.responses-heading p{font-size:13px;color:var(--muted);margin:0}.section-divider{border-top:1px solid var(--line);margin:30px 0 19px;padding-top:25px}.form-grid{display:grid;grid-template-columns:1fr;gap:18px}.question-card{background:#0d1828;border:1px solid #324256;border-radius:14px;padding:20px;margin-bottom:14px}.question-card-top{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:18px}.number-pill{background:#1c3f3a;color:#a2efdc;border:1px solid #315e55;border-radius:6px;font-size:10px;font-weight:800;letter-spacing:.06em;padding:5px 10px}.tiny-actions{display:flex;gap:4px}.icon-btn{background:transparent;color:var(--muted);border:1px solid transparent;border-radius:8px;font-size:16px;min-width:32px;height:32px}.icon-btn.danger:hover,.small-btn.danger:hover{color:#ffabb2}.question-fields{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:13px}.choice-editor{margin-top:18px;border-top:1px solid var(--line);padding-top:15px}.field-caption{color:var(--muted);font-size:11px;letter-spacing:.07em;font-weight:800}.choice-editor-line{display:grid;grid-template-columns:minmax(100px,1fr) minmax(145px,210px) 34px;align-items:center;gap:9px;margin:8px 0}.subtle-btn{background:transparent;border:0;color:#87e9ce;padding:8px 0;font-weight:700}.add-question{width:100%;border-style:dashed;min-height:49px}.end-preview{border:1px dashed #4b5d73;border-radius:12px;padding:18px;margin-top:13px;background:#0c1725}.end-preview h1,.end-preview h2,.end-preview h3{margin:6px 0 9px}.end-preview a{color:#6fdcbf}.editor-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.responses-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:22px}.actions{display:flex;gap:8px;flex-wrap:wrap}.table-wrap{overflow:auto;max-height:68dvh;border:1px solid var(--line);border-radius:10px}table{border-collapse:collapse;min-width:700px;width:100%;font-size:13px}th{text-align:left;background:#213148;color:#dbe5f1;position:sticky;top:0;z-index:1}td,th{padding:12px 14px;border-bottom:1px solid #2c394c;max-width:280px;min-width:120px;overflow-wrap:anywhere;vertical-align:top}td.nowrap{white-space:nowrap}tr:last-child td{border:0}.empty-row{text-align:center;color:var(--muted);padding:32px}.row-actions{white-space:nowrap}.small-btn{border:1px solid #495970;background:#182536;color:var(--text);border-radius:7px;padding:6px 9px;margin-right:5px;font-size:12px}.status-chip{display:inline-block;border-radius:99px;padding:4px 9px;font-size:11px;white-space:nowrap}.status-chip.new{background:#503d19;color:#ffe09b}.status-chip.processed{background:#21463c;color:#b4f0d3}
/* Login */
.login-panel{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:18px}.login-card{width:min(100%,425px);padding:35px;background:var(--surface);border:1px solid var(--line);border-radius:20px}.login-card h1{font-size:25px;margin:22px 0 2px}.login-card p{font-size:14px;margin:8px 0 23px}.login-card .full{width:100%;margin-top:15px}
@media(max-width:800px){.dashboard{grid-template-columns:1fr}.sidebar{position:static;height:auto;padding:14px 17px;flex-direction:row;align-items:center;justify-content:space-between;gap:9px;border-right:0;border-bottom:1px solid var(--line);flex-wrap:wrap}.nav-tabs{display:flex;gap:5px}.nav-btn{padding:8px 10px}.sidebar-bottom{display:none}.workspace{padding:20px 13px}.workspace-header{margin-bottom:18px}.question-fields{grid-template-columns:1fr}.responses-heading{flex-direction:column;align-items:flex-start}.choice-editor-line{grid-template-columns:minmax(80px,1fr) minmax(110px,1fr) 30px}.choice-editor-line select{font-size:12px}.brand{font-size:14px}}
@media(max-width:520px){.guest-page{padding:0;background:var(--surface)}.chat-shell{width:100%;height:100dvh;max-height:none;border-radius:0;border:0;box-shadow:none}.chat-header{padding:14px 16px}.thread{padding:17px 15px}.composer{padding:10px 12px}.bubble{max-width:93%}.choice-buttons{grid-template-columns:1fr}.reply-form{gap:6px}.send-btn{padding:10px}.workspace-header h1{font-size:23px}.panel{padding:16px}.question-card{padding:14px}.sidebar{justify-content:center}.brand{display:none}.nav-tabs{width:100%}.nav-btn{flex:1;text-align:center}.editor-actions .primary-btn,.editor-actions .outline-btn{width:100%}}
/* V1.1 — Plusieurs messages + indicateur de frappe */
.message-list{display:grid;gap:10px;margin:10px 0 4px}
.message-editor{padding:12px;border:1px solid #35465e;border-radius:12px;background:#142236}
.message-editor-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}
.message-editor .question-text{min-height:68px}
.message-preview{margin-top:8px;padding:10px 12px;background:#213147;border:1px solid #34445a;border-radius:12px 12px 12px 4px;font-size:13px;white-space:normal;overflow-wrap:anywhere;min-height:38px}
.message-preview strong,.bubble strong{font-weight:800}
.typing-indicator{display:flex;align-items:center;gap:5px;min-width:64px;min-height:44px}
.typing-dot{height:7px;width:7px;border-radius:50%;background:#a5b3c7;animation:typing-bounce 1.1s ease-in-out infinite}
.typing-dot:nth-child(2){animation-delay:.17s}.typing-dot:nth-child(3){animation-delay:.34s}
@keyframes typing-bounce{0%,60%,100%{transform:translateY(0);opacity:.48}30%{transform:translateY(-5px);opacity:1}}
@media(prefers-reduced-motion:reduce){.typing-dot{animation:none;opacity:.8}}
/* Visually group consecutive bot bubbles without affecting user replies. */
.bubble-row:not(.user-row)+.bubble-row:not(.user-row){margin-top:-7px}

/* V1.2 — Chat mobile inspired by familiar messaging UI patterns.
   VisualViewport keeps the composer above the on-screen keyboard on iOS/Android. */
.guest-page{height:100dvh;min-height:0;overflow:hidden;background:radial-gradient(ellipse at 22% 15%,#1a3a46 0%,#0b1220 65%)}
.chat-shell{min-height:0;isolation:isolate;background:#101e26}
.chat-header{background:#172b32;border-bottom:1px solid #34454c;padding:13px 16px;min-height:72px;gap:11px;z-index:2}
.bot-avatar{border-radius:50%;width:42px;height:42px;flex:none;background:#296458;color:#e1fff2;font-size:22px}
.chat-header .chat-identity{min-width:0;flex:1}
.chat-header h1{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-header p{margin:4px 0 0;color:#b9d3d1}
.chat-privacy{flex:none;color:#d1ebe2;border:1px solid #52716f;border-radius:99px;padding:4px 8px;font-size:11px}
.thread{min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scroll-padding-bottom:12px;gap:8px;background-color:#101c23;
background-image:radial-gradient(circle at 15% 20%,rgba(84,142,132,.09) 0 2px,transparent 3px),radial-gradient(circle at 75% 80%,rgba(138,188,162,.06) 0 1.6px,transparent 2px);
background-size:65px 80px,91px 97px;padding:17px 13px 14px;scroll-behavior:auto;-webkit-overflow-scrolling:touch}
.bubble-row{display:flex;flex:0 0 auto}
.bubble{max-width:84%;background:#253941;border:0;color:#f3faf8;border-radius:13px 13px 13px 3px;padding:9px 12px;box-shadow:0 1px 2px #0003;line-height:1.48;font-size:15px}
.bubble.user{background:#185d4b;border:0;color:#f5fffb;border-radius:13px 13px 3px 13px}
.bubble-row:not(.user-row)+.bubble-row:not(.user-row){margin-top:0}
.typing-indicator{min-width:62px;min-height:36px;padding:10px 15px}
.composer{padding:9px 11px max(9px,env(safe-area-inset-bottom));background:#17272e;border-top:1px solid #31454b;z-index:2}
.reply-form{display:flex;align-items:flex-end;gap:9px}
.reply-form textarea{font-size:16px;resize:none;border:1px solid #334d53;background:#2a4047;border-radius:24px;min-height:44px;max-height:128px;padding:11px 16px;line-height:1.4;overflow-y:auto;display:block;color:#f4faf8}
.reply-form textarea::placeholder{color:#bdd0d1}
.reply-form textarea:focus{outline:2px solid #55ba9e;outline-offset:0}
.send-btn{flex:none;display:grid;place-items:center;border:0;border-radius:50%;height:44px;min-height:44px;width:44px;background:#2da77b;color:#fff;font-weight:700;font-size:22px;line-height:1;padding:0;box-shadow:0 2px 7px #0003;transform:none}
.send-btn:hover{background:#35b888}
.choice-buttons{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.choice-button{flex:1 1 130px;max-width:300px;border-radius:23px;background:#223d43;border-color:#428274;padding:11px 16px;min-height:44px}
.chat-footer{background:#17272e;padding:0 11px 9px;color:#a0bab8;font-size:10px;z-index:2}
.ending-card{margin-bottom:5px;align-self:stretch;max-width:96%;background:#183d34}
.guest-page:focus-within .chat-footer{display:none}
@media(max-width:600px){
 html:has(.guest-page){overflow:hidden;height:100%}
 body.guest-page{position:fixed;inset:0;width:100%;height:100%;padding:0;overflow:hidden;display:block;touch-action:pan-y}
 .chat-shell{position:fixed;left:var(--chat-view-left,0px);top:var(--chat-view-top,0px);width:var(--chat-view-width,100%);height:var(--chat-view-height,100dvh);max-height:none;border:0;border-radius:0;box-shadow:none}
 .chat-header{padding:12px 14px;min-height:65px}
 .chat-privacy{font-size:10px}
 .bubble{max-width:89%;font-size:15px}
 .thread{padding:14px 11px;min-height:0;flex:1}
 .composer{padding:8px 9px max(8px,env(safe-area-inset-bottom))}
 .reply-form{gap:7px}
 .choice-buttons{gap:7px}
}
@media(max-height:450px){.chat-header{min-height:52px;padding:6px 12px}.chat-header .bot-avatar{width:34px;height:34px}.chat-footer{display:none}.thread{padding-top:8px;padding-bottom:8px}}
/* Admin: destructive bulk action requires typing a confirmation phrase. */
.danger-btn{border-color:#a25861;color:#ffc2c7;background:rgba(149,45,59,.1)}
.danger-btn:not(:disabled):hover{background:#512d38;color:#fff}
.danger-solid-btn{border:1px solid #f58b97;border-radius:10px;background:#bb4252;color:#fff;padding:11px 15px;font-weight:750}
.danger-solid-btn:not(:disabled):hover{background:#d04b60}
.confirm-dialog{position:fixed;inset:0;margin:auto;border:1px solid #5c4350;border-radius:18px;padding:27px;max-width:min(440px,calc(100vw - 30px));width:100%;background:#162333;color:var(--text);box-shadow:0 25px 70px #000a}
.confirm-dialog::backdrop{background:rgba(0,0,0,.76)}
.confirm-dialog h2{font-size:21px;margin:12px 0}
.confirm-dialog p{color:#c2cdda;line-height:1.55;font-size:14px}
.confirm-dialog .dialog-icon{display:grid;place-items:center;width:37px;height:37px;border-radius:50%;background:#612735;color:#ffbfca;font-size:24px;font-weight:bold}
.confirm-dialog label{margin-top:17px}
.dialog-actions{margin-top:22px;display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}
@media(max-width:520px){.dialog-actions button{flex:1}}