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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f3f4f6;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .login-container {
            background: white;
            border-radius: 20px;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
            overflow: hidden;
            max-width: 1000px;
            width: 100%;
            min-height: 600px;
            display: flex;
            animation: slideUp 0.6s ease-out;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Partie gauche bleue */
        .left-panel {
            background: linear-gradient(135deg, #1e40af, #3b82f6);
            flex: 1;
            padding: 40px;
            color: white;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            align-items: flex-start;
            text-align: left;
            position: relative;
        }

        .single-logo {
            background: white;
            width: 200px;
            height: 120px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            margin-bottom: 50px;
            margin-top: 20px;
            padding: 15px;
        }

        .single-logo img {
            width: 168px;
            height: 67px;
            object-fit: contain;
        }

        .platform-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 25px;
            text-align: left;
            color: white;
        }

        .platform-subtitle {
            font-size: 17px;
            opacity: 0.9;
            line-height: 1.6;
            max-width: 450px;
            text-align: left;
        }

        /* Partie droite blanche */
        .right-panel {
            flex: 1;
            padding: 20px 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .login-header {
            margin-bottom: 10px;
        }

        .login-title {
            font-size: 28px;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 0px;
        }

        .login-subtitle {
            color: #6b7280;
            font-size: 16px;
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: #374151;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .form-input {
            width: 100%;
            padding: 15px 18px;
            border: 2px solid #e5e7eb;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: #f9fafb;
        }

        .form-input:focus {
            outline: none;
            border-color: #3b82f6;
            background: white;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }

        .password-container {
            position: relative;
        }

        .password-toggle {
            position: absolute;
            right: 15px;
            background: none;
            border: none;
            cursor: pointer;
            color: #6b7280;
            padding: 5px;
            top: 12px;
        }

        .password-toggle:hover {
            color: #3b82f6;
        }

        .form-options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            font-size: 14px;
        }

        .checkbox-container {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .checkbox-container input[type="checkbox"] {
            width: 16px;
            height: 16px;
            accent-color: #3b82f6;
        }

        .forgot-password {
            color: #3b82f6;
            text-decoration: none;
            font-weight: 500;
        }

        .forgot-password:hover {
            text-decoration: underline;
        }

        .login-button {
            width: 100%;
            background: linear-gradient(135deg, #1e40af, #3b82f6);
            color: white;
            border: none;
            padding: 16px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .login-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
        }

        .login-button:active {
            transform: translateY(0);
        }

        .footer-text {
            margin-top: 10px;
            text-align: center;
            font-size: 12px;
            color: #9ca3af;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .login-container {
                flex-direction: column;
                min-height: auto;
                margin: 10px;
                border-radius: 16px;
            }
            
            .left-panel {
                padding: 40px 30px;
            }
            
            .right-panel {
                padding: 40px 30px;
            }
            
            .platform-title {
                font-size: 28px;
            }
        }

        .loading {
            display: none;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .spinner {
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-top: 2px solid white;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .register-link {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-top: 10px;
    background: #3371e40f;
    padding: 10px;
    border-radius: 0 0 10px 10px;
    font-size: 14px;
}

a.register-button {
    font-weight: 600;
    color: #3b82f7;
}