:root {
            --bleu-klein: #003CDC;
            --bleu-profond: #000F41;
            --jaune: #FFC800;
            --blanc: #FFFFFF;
            --bleu-pale: #EDF2FA;
            --success: #16A34A;
            --error: #DC2626;
            --orange: #EA580C;
            --muted: #6B7280;
            --radius: 12px;
            --cream: #F7F9FF;
        }

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

        body {
            font-family: 'Open Sans', sans-serif;
            background: var(--cream);
            color: var(--bleu-profond);
            min-height: 100vh;
        }

        /* ── HEADER ── */
        .header {
            background: var(--bleu-profond);
            position: sticky;
            top: 0;
            z-index: 200;
            box-shadow: 0 2px 24px rgba(0, 15, 65, .4);
        }

        .header-inner {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: stretch;
            justify-content: space-between;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 0;
        }

        .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--bleu-klein);
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .logo-mark::after {
            content: "I";
            font-family: 'Saira Extra Condensed', sans-serif;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--blanc);
        }

        .logo-accent {
            width: 6px;
            height: 6px;
            background: var(--jaune);
            border-radius: 50%;
            position: absolute;
            bottom: 3px;
            right: 3px;
        }

        .logo-text {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-weight: 800;
            font-size: 1rem;
            color: var(--blanc);
            letter-spacing: .05em;
        }

        .logo-text span {
            font-weight: 200;
            color: rgba(255, 255, 255, .6);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header-back {
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: .72rem;
            font-weight: 700;
            color: rgba(255, 255, 255, .5);
            text-decoration: none;
            padding: 5px 12px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, .12);
            background: rgba(255, 255, 255, .06);
            transition: all .2s;
            font-family: 'Open Sans', sans-serif;
        }

        .header-back:hover {
            color: rgba(255, 255, 255, .9);
            background: rgba(255, 255, 255, .12);
        }

        .xp-pill {
            background: rgba(255, 200, 0, .12);
            border: 1px solid rgba(255, 200, 0, .3);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: .72rem;
            color: var(--jaune);
            font-weight: 700;
            transition: all .3s;
            font-family: 'Saira Extra Condensed', sans-serif;
            letter-spacing: .08em;
        }


        .progress-wrap {
            background: rgba(255, 255, 255, .08);
            height: 3px;
        }

        .progress-fill {
            height: 3px;
            background: linear-gradient(90deg, var(--bleu-klein), var(--jaune));
            transition: width .5s ease;
            width: 0%;
        }

        /* ── LAYOUT ── */
        .layout {
            max-width: 1000px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 204px 1fr;
            padding: 28px 20px;
            gap: 0;
            align-items: start;
        }

        .sidebar {
            position: sticky;
            top: 68px;
            padding-right: 18px;
        }

        .sidebar-label {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-weight: 800;
            font-size: .72rem;
            text-transform: uppercase;
            letter-spacing: .18em;
            color: var(--muted);
            margin-bottom: 12px;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 11px;
            border-radius: 8px;
            cursor: pointer;
            transition: all .2s;
            margin-bottom: 3px;
            font-size: .76rem;
            color: var(--muted);
            border: 1px solid transparent;
            position: relative;
            font-family: 'Open Sans', sans-serif;
        }

        .nav-item.locked {
            cursor: not-allowed;
            opacity: .4;
        }

        .nav-item.locked::after {
            content: "🔒";
            position: absolute;
            right: 10px;
            font-size: .62rem;
        }

        .nav-item:not(.locked):hover {
            background: var(--blanc);
            color: var(--bleu-profond);
        }

        .nav-item.active {
            background: var(--blanc);
            color: var(--bleu-klein);
            font-weight: 700;
            border-color: #D0DCFF;
        }

        .nav-item.done {
            color: var(--success);
        }

        .nav-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #D0D8F0;
            flex-shrink: 0;
            transition: background .3s;
        }

        .nav-item.active .nav-dot {
            background: var(--jaune);
        }

        .nav-item.done .nav-dot {
            background: var(--success);
        }

        .main {
            min-width: 0;
        }

        .section-panel {
            display: none;
        }

        .section-panel.visible {
            display: block;
            animation: fadeSlide .38s ease;
        }

        @keyframes fadeSlide {
            from {
                opacity: 0;
                transform: translateY(10px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ── LOCK OVERLAY ── */
        .lock-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 15, 65, .8);
            z-index: 300;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(4px);
        }

        .lock-overlay.show {
            display: flex;
        }

        .lock-box {
            background: var(--blanc);
            border-radius: 16px;
            padding: 36px 40px;
            text-align: center;
            max-width: 380px;
            box-shadow: 0 20px 60px rgba(0, 15, 65, .3);
        }

        .lock-icon {
            font-size: 2.5rem;
            margin-bottom: 14px;
        }

        .lock-title {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-weight: 800;
            font-size: 1.6rem;
            color: var(--bleu-profond);
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .lock-msg {
            font-size: .84rem;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .lock-btn {
            background: var(--bleu-klein);
            color: var(--blanc);
            border: none;
            padding: 11px 28px;
            border-radius: 8px;
            cursor: pointer;
            font-size: .84rem;
            font-weight: 700;
            font-family: 'Open Sans', sans-serif;
        }

        /* ── MISSION BANNER ── */
        .mission-banner {
            background: linear-gradient(135deg, var(--bleu-profond), var(--bleu-klein));
            border-radius: var(--radius);
            padding: 0;
            margin-bottom: 20px;
            overflow: hidden;
            border: 1px solid rgba(0, 60, 220, .3);
        }

        .mission-top {
            padding: 20px 24px 16px;
        }

        .mission-tag {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-size: .68rem;
            text-transform: uppercase;
            letter-spacing: .18em;
            color: var(--jaune);
            font-weight: 800;
            margin-bottom: 6px;
        }

        .mission-title {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--blanc);
            margin-bottom: 6px;
            line-height: 1.25;
            text-transform: uppercase;
        }

        .mission-title span {
            font-weight: 200;
        }

        .mission-desc {
            color: rgba(255, 255, 255, .58);
            font-size: .78rem;
            line-height: 1.6;
        }

        .mission-steps {
            display: flex;
            border-top: 1px solid rgba(255, 255, 255, .1);
        }

        .mission-step {
            flex: 1;
            padding: 12px 16px;
            border-right: 1px solid rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            gap: 9px;
        }

        .mission-step:last-child {
            border-right: none;
        }

        .ms-icon {
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .ms-text {
            font-size: .7rem;
            color: rgba(255, 255, 255, .5);
            line-height: 1.35;
        }

        .ms-text strong {
            color: rgba(255, 255, 255, .88);
            display: block;
            font-size: .72rem;
        }

        /* ── CONTENT BLOCKS ── */
        .cb {
            background: var(--blanc);
            border-radius: var(--radius);
            padding: 26px;
            margin-bottom: 18px;
            border: 1px solid #D8E2FF;
        }

        .sh {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--bleu-profond);
            margin-bottom: 13px;
            text-transform: uppercase;
        }

        .sh span {
            font-weight: 200;
        }

        .si {
            font-size: .88rem;
            line-height: 1.75;
            color: #374151;
            margin-bottom: 16px;
        }

        .hbox {
            background: linear-gradient(135deg, #EDF2FA, #E3EDFF);
            border-left: 4px solid var(--bleu-klein);
            border-radius: 0 8px 8px 0;
            padding: 13px 17px;
            margin: 16px 0;
            font-size: .84rem;
            line-height: 1.65;
            color: var(--bleu-profond);
        }

        .hbox strong {
            color: var(--bleu-klein);
        }

        .ibox {
            background: #EDF2FA;
            border: 1px solid #C5D6FF;
            border-radius: 8px;
            padding: 13px 17px;
            margin: 16px 0;
            font-size: .84rem;
            line-height: 1.65;
            color: var(--bleu-profond);
        }

        .wbox {
            background: #FEF2F2;
            border: 1px solid #FECACA;
            border-radius: 8px;
            padding: 13px 17px;
            margin: 16px 0;
            font-size: .84rem;
            line-height: 1.65;
            color: #991B1B;
        }

        .ablock {
            background: var(--bleu-profond);
            border-radius: var(--radius);
            padding: 20px 24px;
            margin: 16px 0;
            border-left: 4px solid var(--jaune);
        }

        .alabel {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-size: .65rem;
            text-transform: uppercase;
            letter-spacing: .15em;
            color: var(--jaune);
            font-weight: 800;
            margin-bottom: 7px;
        }

        .atext {
            font-size: .88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .85);
            font-style: italic;
        }

        .divider {
            height: 2px;
            background: linear-gradient(90deg, var(--bleu-klein), transparent);
            margin: 20px 0;
            opacity: .25;
        }

        .steps {
            display: flex;
            flex-direction: column;
            gap: 13px;
            margin: 16px 0;
        }

        .step {
            display: flex;
            gap: 13px;
        }

        .snum {
            width: 28px;
            height: 28px;
            background: var(--bleu-klein);
            color: var(--blanc);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: .75rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .sc h4 {
            font-size: .84rem;
            font-weight: 700;
            color: var(--bleu-profond);
            margin-bottom: 2px;
        }

        .sc p {
            font-size: .78rem;
            color: #555;
            line-height: 1.45;
        }

        /* ── SCENARIO CARDS ── */
        .scenario-intro {
            background: var(--blanc);
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 18px;
            border: 1px solid #D8E2FF;
        }

        .scenario-chat {
            background: var(--bleu-profond);
            border-radius: var(--radius);
            padding: 20px 22px;
            margin: 16px 0;
        }

        .chat-msg {
            display: flex;
            gap: 10px;
            margin-bottom: 14px;
        }

        .chat-msg:last-child {
            margin-bottom: 0;
        }

        .chat-avatar {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .8rem;
            flex-shrink: 0;
        }

        .avatar-manager {
            background: var(--jaune);
        }

        .avatar-user {
            background: var(--bleu-klein);
        }

        .chat-bubble {
            background: rgba(255, 255, 255, .08);
            border-radius: 0 10px 10px 10px;
            padding: 10px 14px;
            font-size: .8rem;
            color: rgba(255, 255, 255, .85);
            line-height: 1.55;
            max-width: 380px;
        }

        .chat-bubble.user {
            background: rgba(0, 60, 220, .35);
            border-radius: 10px 0 10px 10px;
        }

        .chat-name {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-size: .65rem;
            font-weight: 800;
            margin-bottom: 4px;
            text-transform: uppercase;
            letter-spacing: .06em;
        }

        .chat-name.manager {
            color: var(--jaune);
        }

        .chat-name.user {
            color: rgba(150, 180, 255, .9);
        }

        /* ── TIMELINE ── */
        .timeline {
            margin: 16px 0;
        }

        .titem {
            display: flex;
            gap: 13px;
            margin-bottom: 16px;
        }

        .tleft {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .tdot {
            width: 32px;
            height: 32px;
            background: var(--bleu-klein);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Saira Extra Condensed', sans-serif;
            font-size: .7rem;
            font-weight: 800;
            color: var(--blanc);
            flex-shrink: 0;
        }

        .tline {
            width: 2px;
            flex: 1;
            background: linear-gradient(180deg, var(--bleu-klein), #D8E2FF);
            min-height: 16px;
            margin-top: 3px;
        }

        .tc h4 {
            font-size: .84rem;
            font-weight: 700;
            color: var(--bleu-profond);
            margin-bottom: 2px;
            padding-top: 4px;
        }

        .tc p {
            font-size: .76rem;
            color: #555;
            line-height: 1.45;
        }

        /* ── TABLE ── */
        .ctable {
            width: 100%;
            border-collapse: collapse;
            margin: 16px 0;
            font-size: .8rem;
        }

        .ctable th {
            background: var(--bleu-profond);
            color: var(--blanc);
            padding: 10px 13px;
            text-align: left;
            font-weight: 700;
            font-size: .75rem;
        }

        .ctable th:first-child {
            border-radius: 8px 0 0 0;
        }

        .ctable th:last-child {
            border-radius: 0 8px 0 0;
        }

        .ctable td {
            padding: 9px 13px;
            border-bottom: 1px solid #EDF2FA;
            color: #374151;
            line-height: 1.45;
        }

        .ctable tr:nth-child(even) td {
            background: #F7FAFE;
        }

        .tag {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 20px;
            font-size: .66rem;
            font-weight: 700;
        }

        .tn {
            background: var(--bleu-profond);
            color: var(--blanc);
        }

        .tg {
            background: #EDF2FA;
            color: var(--bleu-klein);
        }

        .tgr {
            background: #DCFCE7;
            color: #15803D;
        }

        .tr {
            background: #FEE2E2;
            color: #991B1B;
        }

        .tp {
            background: #EDE9FE;
            color: #5B21B6;
        }

        /* ── CAN/CANT ── */
        .cancant {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 13px;
            margin: 16px 0;
        }

        .canbox {
            background: #F0FDF4;
            border: 1px solid #BBF7D0;
            border-radius: 8px;
            padding: 16px;
        }

        .cantbox {
            background: #FEF2F2;
            border: 1px solid #FECACA;
            border-radius: 8px;
            padding: 16px;
        }

        .canbox h4 {
            color: #15803D;
            margin-bottom: 9px;
            font-size: .8rem;
            font-weight: 700;
        }

        .cantbox h4 {
            color: #DC2626;
            margin-bottom: 9px;
            font-size: .8rem;
            font-weight: 700;
        }

        .cancant ul {
            list-style: none;
        }

        .cancant li {
            font-size: .76rem;
            color: #374151;
            padding: 3px 0 3px 15px;
            position: relative;
            line-height: 1.4;
        }

        .canbox li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #16A34A;
            font-weight: 700;
        }

        .cantbox li::before {
            content: "✗";
            position: absolute;
            left: 0;
            color: #DC2626;
            font-weight: 700;
        }

        /* ── FLIP CARDS ── */
        .flip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 11px;
            margin: 16px 0;
        }

        .flip-card {
            perspective: 600px;
            cursor: pointer;
        }

        .flip-inner {
            display: grid;
            width: 100%;
            transform-style: preserve-3d;
            transition: transform .45s ease;
        }

        .flip-card.flipped .flip-inner {
            transform: rotateY(180deg);
        }

        .flip-front,
        .flip-back {
            grid-area: 1 / 1;
            border-radius: 10px;
            backface-visibility: hidden;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 14px 12px;
            text-align: center;
        }

        .flip-front {
            background: var(--bleu-profond);
            border: 1px solid rgba(0, 60, 220, .35);
        }

        .fft {
            color: var(--jaune);
            font-family: 'Saira Extra Condensed', sans-serif;
            font-weight: 800;
            font-size: .9rem;
            margin-bottom: 4px;
            text-transform: uppercase;
            letter-spacing: .04em;
        }

        .ffh {
            color: rgba(255, 255, 255, .3);
            font-size: .62rem;
        }

        .flip-back {
            background: var(--blanc);
            border: 2px solid var(--bleu-klein);
            transform: rotateY(180deg);
        }

        .fbt {
            color: var(--bleu-klein);
            font-family: 'Saira Extra Condensed', sans-serif;
            font-weight: 800;
            font-size: .78rem;
            margin-bottom: 4px;
            text-transform: uppercase;
        }

        .fbd {
            color: #374151;
            font-size: .69rem;
            line-height: 1.4;
        }

        /* ── VRAI/FAUX ── */
        .vf-list {
            display: flex;
            flex-direction: column;
            gap: 9px;
            margin: 16px 0;
        }

        .vf-item {
            background: var(--bleu-pale);
            border: 1.5px solid #C5D6FF;
            border-radius: 10px;
            padding: 15px 17px;
        }

        .vf-stmt {
            font-size: .85rem;
            font-weight: 700;
            color: var(--bleu-profond);
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .vf-btns {
            display: flex;
            gap: 7px;
        }

        .vfbtn {
            padding: 6px 18px;
            border-radius: 6px;
            border: 1.5px solid #C5D6FF;
            cursor: pointer;
            font-size: .76rem;
            font-weight: 700;
            background: var(--blanc);
            transition: all .2s;
            font-family: 'Open Sans', sans-serif;
        }

        .vfbtn:hover:not(:disabled) {
            transform: translateY(-1px);
        }

        .vfbtn.vrai:hover:not(:disabled) {
            border-color: var(--success);
            color: var(--success);
        }

        .vfbtn.faux:hover:not(:disabled) {
            border-color: var(--error);
            color: var(--error);
        }

        .vfbtn.sel-ok {
            background: #F0FDF4;
            border-color: var(--success);
            color: var(--success);
        }

        .vfbtn.sel-ko {
            background: #FEF2F2;
            border-color: var(--error);
            color: var(--error);
        }

        .vfbtn.rev-ok {
            background: #F0FDF4;
            border-color: var(--success);
            color: var(--success);
        }

        .vfbtn:disabled {
            cursor: default;
            transform: none !important;
        }

        .vf-exp {
            margin-top: 9px;
            font-size: .76rem;
            color: #374151;
            line-height: 1.5;
            display: none;
            padding: 8px 11px;
            background: var(--blanc);
            border-radius: 6px;
            border: 1px solid #D8E2FF;
        }

        .vf-exp.show {
            display: block;
        }

        /* ── BRANCH ── */
        .branch-scene {
            background: var(--blanc);
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 18px;
            border: 2px solid #C5D6FF;
        }

        .branch-tag {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-size: .65rem;
            text-transform: uppercase;
            letter-spacing: .15em;
            color: var(--bleu-klein);
            font-weight: 800;
            margin-bottom: 10px;
        }

        .branch-situation {
            background: linear-gradient(135deg, #EDF2FA, #E3EDFF);
            border-radius: 10px;
            padding: 16px 18px;
            margin-bottom: 18px;
        }

        .branch-sit-label {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-size: .65rem;
            font-weight: 800;
            color: var(--bleu-klein);
            text-transform: uppercase;
            letter-spacing: .08em;
            margin-bottom: 6px;
        }

        .branch-sit-text {
            font-size: .88rem;
            color: var(--bleu-profond);
            line-height: 1.6;
            font-weight: 600;
        }

        .branch-q {
            font-size: .9rem;
            font-weight: 700;
            color: var(--bleu-profond);
            margin-bottom: 14px;
        }

        .branch-choices {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .branch-choice {
            padding: 13px 16px;
            border: 1.5px solid #C5D6FF;
            border-radius: 9px;
            cursor: pointer;
            transition: all .2s;
            background: var(--blanc);
            font-size: .83rem;
            color: #374151;
            text-align: left;
            font-family: 'Open Sans', sans-serif;
            line-height: 1.45;
        }

        .branch-choice:hover:not(:disabled) {
            border-color: var(--bleu-klein);
            background: #EDF2FA;
            transform: translateX(3px);
        }

        .branch-choice:disabled {
            cursor: default;
            transform: none !important;
        }

        .branch-choice.chosen-ok {
            border-color: var(--success);
            background: #F0FDF4;
            color: #15803D;
            font-weight: 700;
        }

        .branch-choice.chosen-ko {
            border-color: var(--error);
            background: #FEF2F2;
            color: #991B1B;
        }

        .branch-choice.reveal-ok {
            border-color: var(--success);
            background: #F0FDF4;
            color: #15803D;
        }

        .branch-consequence {
            margin-top: 14px;
            padding: 14px 16px;
            border-radius: 9px;
            font-size: .82rem;
            line-height: 1.6;
            display: none;
        }

        .branch-consequence.ok {
            background: #F0FDF4;
            border: 1px solid #BBF7D0;
            color: #166534;
            display: block;
        }

        .branch-consequence.ko {
            background: #FEF2F2;
            border: 1px solid #FECACA;
            color: #991B1B;
            display: block;
        }

        .consequence-title {
            font-weight: 700;
            margin-bottom: 4px;
        }

        /* ── SIMULATOR ── */
        .sim-wrapper {
            background: var(--bleu-profond);
            border-radius: var(--radius);
            overflow: hidden;
            margin: 16px 0;
            border: 1px solid rgba(0, 60, 220, .35);
        }

        .sim-topbar {
            background: rgba(0, 0, 0, .3);
            padding: 10px 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sim-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        .sim-dot-r {
            background: #FF5F57;
        }

        .sim-dot-y {
            background: #FEBC2E;
        }

        .sim-dot-g {
            background: #28C840;
        }

        .sim-title {
            color: rgba(255, 255, 255, .45);
            font-size: .72rem;
            margin-left: 6px;
        }

        .sim-body {
            padding: 16px;
        }

        .sim-context {
            background: rgba(255, 255, 255, .05);
            border-radius: 8px;
            padding: 12px 14px;
            margin-bottom: 14px;
            font-size: .76rem;
            color: rgba(255, 255, 255, .5);
            line-height: 1.5;
            border: 1px solid rgba(255, 255, 255, .07);
        }

        .sim-context strong {
            color: rgba(255, 255, 255, .78);
            display: block;
            margin-bottom: 4px;
            font-size: .7rem;
            text-transform: uppercase;
            letter-spacing: .08em;
            font-family: 'Saira Extra Condensed', sans-serif;
        }

        .sim-messages {
            min-height: 80px;
            margin-bottom: 12px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .sim-msg-user {
            align-self: flex-end;
            background: rgba(0, 60, 220, .45);
            border-radius: 12px 12px 2px 12px;
            padding: 10px 14px;
            font-size: .8rem;
            color: rgba(255, 255, 255, .9);
            max-width: 85%;
            line-height: 1.5;
        }

        .sim-msg-claude {
            align-self: flex-start;
            background: rgba(255, 255, 255, .08);
            border-radius: 12px 12px 12px 2px;
            padding: 10px 14px;
            font-size: .8rem;
            color: rgba(255, 255, 255, .85);
            max-width: 90%;
            line-height: 1.6;
        }

        .claude-label {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-size: .65rem;
            color: var(--jaune);
            font-weight: 800;
            margin-bottom: 5px;
            display: flex;
            align-items: center;
            gap: 5px;
            text-transform: uppercase;
            letter-spacing: .08em;
        }

        .sim-input-area {
            display: flex;
            gap: 8px;
            align-items: flex-end;
        }

        .sim-textarea {
            flex: 1;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 8px;
            padding: 10px 13px;
            color: var(--blanc);
            font-size: .8rem;
            font-family: 'Open Sans', sans-serif;
            resize: none;
            min-height: 44px;
            max-height: 120px;
            line-height: 1.5;
            outline: none;
            transition: border-color .2s;
        }

        .sim-textarea::placeholder {
            color: rgba(255, 255, 255, .28);
        }

        .sim-textarea:focus {
            border-color: rgba(0, 60, 220, .6);
        }

        .sim-send {
            background: var(--bleu-klein);
            color: var(--blanc);
            border: none;
            padding: 10px 16px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 700;
            font-size: .8rem;
            font-family: 'Open Sans', sans-serif;
            transition: all .2s;
        }

        .sim-send:hover:not(:disabled) {
            background: #1a4fe0;
        }

        .sim-send:disabled {
            opacity: .4;
            cursor: default;
        }

        .sim-hint {
            font-size: .72rem;
            color: rgba(255, 255, 255, .32);
            margin-top: 8px;
            line-height: 1.5;
        }

        .typing-dots {
            display: inline-flex;
            gap: 3px;
            align-items: center;
        }

        .typing-dots span {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .5);
            animation: typing 1.2s infinite;
        }

        .typing-dots span:nth-child(2) {
            animation-delay: .2s;
        }

        .typing-dots span:nth-child(3) {
            animation-delay: .4s;
        }

        @keyframes typing {

            0%,
            60%,
            100% {
                transform: translateY(0);
            }

            30% {
                transform: translateY(-5px);
            }
        }

        .sim-feedback {
            margin-top: 10px;
            padding: 11px 14px;
            border-radius: 8px;
            font-size: .8rem;
            line-height: 1.55;
            display: none;
            background: #F0FDF4;
            border: 1px solid #BBF7D0;
            color: #166534;
        }

        .sim-feedback.show {
            display: block;
        }

        /* ── QUIZ ── */
        .qblock {
            background: var(--blanc);
            border-radius: var(--radius);
            padding: 26px;
            margin-bottom: 18px;
            border: 2px solid var(--bleu-profond);
        }

        .qhead {
            display: flex;
            align-items: center;
            gap: 11px;
            margin-bottom: 20px;
        }

        .qicon {
            width: 36px;
            height: 36px;
            background: var(--bleu-profond);
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }

        .qtitle {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--bleu-profond);
            text-transform: uppercase;
        }

        .qitem {
            margin-bottom: 24px;
        }

        .qtext {
            font-weight: 700;
            font-size: .88rem;
            color: var(--bleu-profond);
            margin-bottom: 11px;
            line-height: 1.5;
        }

        .qnum {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 21px;
            height: 21px;
            background: var(--jaune);
            color: var(--bleu-profond);
            border-radius: 50%;
            font-family: 'Saira Extra Condensed', sans-serif;
            font-size: .72rem;
            font-weight: 800;
            margin-right: 6px;
        }

        .qopts {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .qopt {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 13px;
            border: 1.5px solid #D8E2FF;
            border-radius: 8px;
            cursor: pointer;
            transition: all .2s;
            background: var(--blanc);
            text-align: left;
            font-size: .81rem;
            color: #374151;
            width: 100%;
            font-family: 'Open Sans', sans-serif;
            line-height: 1.4;
        }

        .qopt:hover:not(:disabled) {
            border-color: var(--bleu-klein);
            background: #EDF2FA;
        }

        .qopt.correct {
            border-color: var(--success);
            background: #F0FDF4;
            color: #15803D;
            font-weight: 700;
        }

        .qopt.wrong {
            border-color: var(--error);
            background: #FEF2F2;
            color: var(--error);
        }

        .qopt:disabled {
            cursor: default;
        }

        .qletter {
            width: 19px;
            height: 19px;
            border-radius: 50%;
            background: #EDF2FA;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Saira Extra Condensed', sans-serif;
            font-size: .72rem;
            font-weight: 800;
            color: var(--bleu-profond);
            flex-shrink: 0;
            margin-top: 1px;
        }

        .qfb {
            margin-top: 8px;
            padding: 8px 12px;
            border-radius: 6px;
            font-size: .77rem;
            line-height: 1.5;
            display: none;
        }

        .qfb.correct {
            background: #F0FDF4;
            color: #15803D;
            display: block;
        }

        .qfb.wrong {
            background: #FEF2F2;
            color: #991B1B;
            display: block;
        }

        /* ── MICRO QUIZ ── */
        .mq {
            background: linear-gradient(135deg, #EDF2FA, #E3EDFF);
            border: 2px solid #C5D6FF;
            border-radius: 12px;
            padding: 20px 22px;
            margin: 20px 0;
        }

        .mq-label {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-size: .65rem;
            text-transform: uppercase;
            letter-spacing: .15em;
            color: var(--bleu-klein);
            font-weight: 800;
            margin-bottom: 9px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .mq-q {
            font-size: .88rem;
            font-weight: 700;
            color: var(--bleu-profond);
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .mq-opts {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mqopt {
            padding: 9px 14px;
            border: 1.5px solid #C5D6FF;
            border-radius: 8px;
            cursor: pointer;
            transition: all .2s;
            font-size: .81rem;
            color: #374151;
            background: var(--blanc);
            text-align: left;
            font-family: 'Open Sans', sans-serif;
            width: 100%;
        }

        .mqopt:hover:not(:disabled) {
            border-color: var(--bleu-klein);
            background: #EDF2FA;
        }

        .mqopt.ok {
            border-color: var(--success);
            background: #F0FDF4;
            color: #15803D;
            font-weight: 700;
        }

        .mqopt.ko {
            border-color: var(--error);
            background: #FEF2F2;
            color: var(--error);
        }

        .mqopt:disabled {
            cursor: default;
        }

        .mq-fb {
            margin-top: 9px;
            padding: 8px 12px;
            border-radius: 6px;
            font-size: .78rem;
            line-height: 1.5;
            display: none;
        }

        .mq-fb.ok {
            background: #F0FDF4;
            color: #15803D;
            display: block;
        }

        .mq-fb.ko {
            background: #FEF2F2;
            color: #991B1B;
            display: block;
        }

        .xp-toast {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--jaune);
            color: var(--bleu-profond);
            padding: 3px 10px;
            border-radius: 20px;
            font-family: 'Saira Extra Condensed', sans-serif;
            font-size: .72rem;
            font-weight: 800;
            margin-top: 7px;
            animation: pop .3s ease;
        }

        @keyframes pop {
            from {
                transform: scale(.6);
                opacity: 0;
            }

            to {
                transform: scale(1);
                opacity: 1;
            }
        }

        /* ── BADGE ── */
        .badge-wrap {
            text-align: center;
            padding: 36px 20px;
        }

        .badge-ring {
            width: 110px;
            height: 110px;
            background: linear-gradient(135deg, var(--bleu-klein), var(--jaune));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.8rem;
            margin: 0 auto 20px;
            box-shadow: 0 8px 30px rgba(0, 60, 220, .3);
            animation: badgePop .65s cubic-bezier(.34, 1.56, .64, 1);
        }

        @keyframes badgePop {
            from {
                transform: scale(0) rotate(-15deg);
            }

            to {
                transform: scale(1) rotate(0deg);
            }
        }

        .badge-t {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-weight: 800;
            font-size: 2rem;
            color: var(--bleu-profond);
            margin-bottom: 6px;
            text-transform: uppercase;
        }

        .badge-t span {
            font-weight: 200;
        }

        .badge-s {
            color: var(--muted);
            font-size: .84rem;
            margin-bottom: 22px;
        }

        .score-n {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-weight: 800;
            font-size: 3rem;
            color: var(--bleu-profond);
            line-height: 1;
        }

        .score-l {
            font-size: .75rem;
            color: var(--muted);
            margin-bottom: 20px;
        }

        .xp-final {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: var(--jaune);
            color: var(--bleu-profond);
            padding: 7px 20px;
            border-radius: 20px;
            font-family: 'Saira Extra Condensed', sans-serif;
            font-weight: 800;
            font-size: .88rem;
            margin-bottom: 24px;
        }

        .recap-chips {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 7px;
            margin-bottom: 24px;
        }

        .rchip {
            padding: 5px 12px;
            border-radius: 20px;
            font-size: .72rem;
            font-weight: 700;
            background: #EDF2FA;
            color: var(--bleu-klein);
            border: 1px solid #C5D6FF;
        }

        /* ── BUTTONS ── */
        .nav-btns {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 6px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 8px;
            font-size: .81rem;
            font-weight: 700;
            cursor: pointer;
            transition: all .2s;
            border: none;
            font-family: 'Open Sans', sans-serif;
        }

        .btn-p {
            background: var(--bleu-klein);
            color: var(--blanc);
        }

        .btn-p:hover {
            background: #0033cc;
            transform: translateY(-1px);
        }

        .btn-s {
            background: var(--blanc);
            color: var(--bleu-profond);
            border: 1.5px solid #D0DCFF;
        }

        .btn-s:hover {
            border-color: var(--bleu-klein);
        }

        .btn-g {
            background: var(--jaune);
            color: var(--bleu-profond);
        }

        .btn-g:hover {
            background: #e6b400;
        }

        .btn:disabled {
            opacity: .35;
            cursor: default;
            transform: none !important;
        }

        /* ── COACH IA ── */
        .coach-btn {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: var(--bleu-profond);
            border: 2px solid var(--jaune);
            color: var(--blanc);
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 250;
            box-shadow: 0 4px 20px rgba(0, 15, 65, .4);
            transition: all .3s;
        }

        .coach-btn:hover {
            transform: scale(1.08);
        }

        .coach-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 16px;
            height: 16px;
            background: var(--jaune);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Saira Extra Condensed', sans-serif;
            font-size: .58rem;
            font-weight: 800;
            color: var(--bleu-profond);
        }

        .coach-panel {
            position: fixed;
            bottom: 88px;
            right: 24px;
            width: 340px;
            background: var(--bleu-profond);
            border-radius: 14px;
            border: 1px solid rgba(0, 60, 220, .4);
            box-shadow: 0 16px 48px rgba(0, 15, 65, .5);
            z-index: 250;
            display: none;
            flex-direction: column;
            overflow: hidden;
            max-height: 480px;
        }

        .coach-panel.open {
            display: flex;
        }

        .coach-panel-header {
            background: rgba(0, 0, 0, .25);
            padding: 12px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .coach-panel-title {
            font-family: 'Saira Extra Condensed', sans-serif;
            font-size: .9rem;
            font-weight: 800;
            color: var(--blanc);
            text-transform: uppercase;
            letter-spacing: .06em;
        }

        .coach-panel-title span {
            font-weight: 200;
        }

        .coach-panel-subtitle {
            font-size: .65rem;
            color: var(--jaune);
            margin-top: 2px;
        }

        .coach-close {
            background: none;
            border: none;
            color: rgba(255, 255, 255, .5);
            font-size: 1.1rem;
            cursor: pointer;
            padding: 2px;
        }

        .coach-messages {
            flex: 1;
            overflow-y: auto;
            padding: 12px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-height: 180px;
        }

        .coach-msg-ai {
            background: rgba(255, 255, 255, .08);
            border-radius: 10px 10px 10px 2px;
            padding: 9px 12px;
            font-size: .78rem;
            color: rgba(255, 255, 255, .85);
            line-height: 1.55;
            max-width: 90%;
        }

        .coach-msg-user {
            align-self: flex-end;
            background: rgba(0, 60, 220, .45);
            border-radius: 10px 10px 2px 10px;
            padding: 9px 12px;
            font-size: .78rem;
            color: rgba(255, 255, 255, .9);
            line-height: 1.55;
            max-width: 90%;
        }

        .coach-input-area {
            padding: 10px 12px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            display: flex;
            gap: 7px;
        }

        .coach-textarea {
            flex: 1;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 7px;
            padding: 8px 10px;
            color: var(--blanc);
            font-size: .76rem;
            font-family: 'Open Sans', sans-serif;
            resize: none;
            outline: none;
            min-height: 38px;
            max-height: 80px;
            line-height: 1.45;
        }

        .coach-textarea::placeholder {
            color: rgba(255, 255, 255, .25);
        }

        .coach-send {
            background: var(--bleu-klein);
            color: var(--blanc);
            border: none;
            padding: 8px 12px;
            border-radius: 7px;
            cursor: pointer;
            font-size: .78rem;
            font-weight: 700;
            font-family: 'Open Sans', sans-serif;
        }

        .coach-send:disabled {
            opacity: .4;
            cursor: default;
        }

        .coach-quick-btns {
            padding: 0 12px 10px;
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
        }

        .coach-quick-btn {
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 20px;
            padding: 4px 10px;
            font-size: .68rem;
            color: rgba(255, 255, 255, .65);
            cursor: pointer;
            font-family: 'Open Sans', sans-serif;
            transition: all .15s;
        }

        .coach-quick-btn:hover {
            background: rgba(0, 60, 220, .3);
            border-color: rgba(0, 60, 220, .5);
            color: rgba(255, 255, 255, .9);
        }

        @media(max-width:720px) {
            .layout {
                grid-template-columns: 1fr;
            }

            .sidebar {
                display: none;
            }

            .flip-grid {
                grid-template-columns: 1fr 1fr;
            }

            .cancant {
                grid-template-columns: 1fr;
            }

            .mission-steps {
                flex-direction: column;
            }

            .coach-panel {
                width: calc(100vw - 32px);
                right: 16px;
            }
        }