:root {
            --oazis-navy: #111827;
            --oazis-navy-light: #1F2937;
            --oazis-gray-900: #0F172A;
            --oazis-gray-700: #334155;
            --oazis-gray-500: #64748B;
            --oazis-gray-300: #CBD5E1;
            --oazis-gray-200: #E2E8F0;
            --oazis-gray-100: #F1F5F9;
            --oazis-gray-50: #F8FAFC;
            --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

        body {
            font-family: var(--font-display);
            background: var(--oazis-gray-50);
            min-height: 100vh;
            padding: 48px 24px;
            color: var(--oazis-gray-900);
        }

        .container { max-width: 1240px; margin: 0 auto; }

        .header {
            text-align: center;
            margin-bottom: 48px;
        }

        .header__logo {
            display: inline-block;
            margin-bottom: 12px;
        }

        .header__logo img {
            height: 64px;
            width: auto;
            display: block;
        }

        .header__subtitle {
            color: var(--oazis-gray-500);
            font-size: 1.05rem;
            font-weight: 500;
        }

        .main {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        @media (max-width: 960px) {
            .main { grid-template-columns: 1fr; }
        }

        .card {
            background: white;
            border-radius: 16px;
            padding: 32px;
            border: 1px solid var(--oazis-gray-200);
            box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.04);
        }

        .card__title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--oazis-gray-900);
            letter-spacing: -0.01em;
        }

        .form-group { margin-bottom: 18px; }

        .form-group label {
            display: block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--oazis-gray-700);
            margin-bottom: 6px;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 14px;
            border: 1.5px solid var(--oazis-gray-200);
            border-radius: 10px;
            font-family: var(--font-display);
            font-size: 0.95rem;
            color: var(--oazis-gray-900);
            background: white;
            transition: border-color 0.15s, box-shadow 0.15s;
        }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--oazis-navy);
            box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.1);
        }

        .form-group input::placeholder { color: var(--oazis-gray-300); }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .checkbox-group {
            margin-bottom: 18px;
            padding: 16px;
            background: var(--oazis-gray-50);
            border-radius: 10px;
            border: 1px solid var(--oazis-gray-200);
        }

        .checkbox-group__title {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--oazis-gray-700);
            margin-bottom: 10px;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

        .checkbox-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
            cursor: pointer;
        }

        .checkbox-item:last-child { margin-bottom: 0; }

        .checkbox-item input[type="checkbox"] {
            width: 17px;
            height: 17px;
            accent-color: var(--oazis-navy);
            cursor: pointer;
        }

        .checkbox-item label {
            font-size: 0.9rem;
            color: var(--oazis-gray-900);
            cursor: pointer;
            font-weight: 500;
        }

        .preview-section { position: sticky; top: 24px; }

        .preview-box {
            background: white;
            border: 1.5px dashed var(--oazis-gray-200);
            border-radius: 10px;
            padding: 28px;
            margin-bottom: 20px;
            min-height: 160px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 24px;
            border: none;
            border-radius: 10px;
            font-family: var(--font-display);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.15s;
            width: 100%;
        }

        .btn--primary {
            background: var(--oazis-navy);
            color: white;
        }

        .btn--primary:hover {
            background: var(--oazis-navy-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(17, 24, 39, 0.25);
        }

        .btn--secondary {
            background: var(--oazis-gray-100);
            color: var(--oazis-gray-900);
            margin-top: 10px;
        }

        .btn--secondary:hover { background: var(--oazis-gray-200); }

        .copy-feedback {
            text-align: center;
            margin-top: 12px;
            font-size: 0.875rem;
            color: var(--oazis-navy);
            font-weight: 600;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .copy-feedback.show { opacity: 1; }

        .instructions {
            margin-top: 24px;
            padding: 16px 18px;
            background: var(--oazis-gray-50);
            border-radius: 10px;
            border: 1px solid var(--oazis-gray-200);
        }

        .instructions__title {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--oazis-gray-900);
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

        .instructions__list {
            font-size: 0.825rem;
            color: var(--oazis-gray-500);
            padding-left: 18px;
            line-height: 1.6;
        }

        /* ====== Écran de connexion ====== */
        body { padding: 0; overflow: hidden; }

        .login-screen {
            display: flex;
            position: fixed;
            inset: 0;
            background: linear-gradient(135deg, var(--oazis-gray-50) 0%, #EEF2FB 100%);
            align-items: center;
            justify-content: center;
            padding: 24px;
            z-index: 1000;
        }

        .login-screen::before {
            content: "";
            position: absolute;
            top: -120px; right: -120px;
            width: 320px; height: 320px;
            background: radial-gradient(circle, rgba(17,24,39,0.10) 0%, rgba(17,24,39,0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .login-screen::after {
            content: "";
            position: absolute;
            bottom: -140px; left: -140px;
            width: 360px; height: 360px;
            background: radial-gradient(circle, rgba(17,24,39,0.08) 0%, rgba(17,24,39,0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .login-card {
            position: relative;
            width: 100%;
            max-width: 420px;
            background: white;
            border-radius: 20px;
            padding: 40px 36px;
            border: 1px solid var(--oazis-gray-200);
            box-shadow: 0 1px 3px rgba(15,23,42,0.04), 0 16px 48px rgba(15,23,42,0.08);
        }

        .login-logo {
            text-align: center;
            margin-bottom: 24px;
        }

        .login-logo img {
            height: 56px;
            width: auto;
            display: inline-block;
        }

        .login-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--oazis-gray-900);
            text-align: center;
            letter-spacing: -0.02em;
            margin-bottom: 6px;
        }

        .login-subtitle {
            font-size: 0.92rem;
            color: var(--oazis-gray-500);
            text-align: center;
            margin-bottom: 28px;
            font-weight: 500;
        }

        .login-form .form-group { margin-bottom: 16px; }

        .login-form .input-wrap {
            position: relative;
        }

        .login-form .input-wrap svg {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            color: var(--oazis-gray-500);
            pointer-events: none;
        }

        .login-form .input-wrap input {
            padding-left: 42px;
        }

        .login-options {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin: 8px 0 22px;
            font-size: 0.85rem;
        }

        .login-remember {
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            color: var(--oazis-gray-700);
            font-weight: 500;
        }

        .login-remember input[type="checkbox"] {
            width: 16px;
            height: 16px;
            accent-color: var(--oazis-navy);
            cursor: pointer;
        }

        .login-forgot {
            color: var(--oazis-navy);
            text-decoration: none;
            font-weight: 600;
            transition: color 0.15s;
        }

        .login-forgot:hover { color: var(--oazis-navy-light); text-decoration: underline; }

        .login-error {
            display: none;
            background: #FEF2F2;
            border: 1px solid #FECACA;
            color: #B91C1C;
            font-size: 0.85rem;
            font-weight: 500;
            padding: 10px 14px;
            border-radius: 10px;
            margin-bottom: 16px;
        }

        .login-error.show { display: block; }

        .login-footer {
            text-align: center;
            margin-top: 24px;
            font-size: 0.82rem;
            color: var(--oazis-gray-500);
        }

        .login-footer strong { color: var(--oazis-gray-700); font-weight: 600; }

        @media (max-width: 480px) {
            .login-card { padding: 32px 24px; border-radius: 16px; }
            .login-title { font-size: 1.3rem; }
        }

        /* ====== Pied de page ====== */
        .app-footer {
            text-align: center;
            margin-top: 48px;
            padding-top: 28px;
            border-top: 1px solid var(--oazis-gray-200);
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            background: white;
            color: var(--oazis-gray-700);
            border: 1.5px solid var(--oazis-gray-200);
            border-radius: 10px;
            font-family: var(--font-display);
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.15s;
        }

        .btn-back-home:hover {
            background: var(--oazis-navy);
            color: white;
            border-color: var(--oazis-navy);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(17, 24, 39, 0.18);
        }

        .btn-back-home svg {
            width: 16px;
            height: 16px;
            transition: transform 0.15s;
        }

        .btn-back-home:hover svg {
            transform: translateX(-3px);
        }